Relevant bibliographies by topics / Ornamental Diseases and pests

Academic literature on the topic 'Ornamental Diseases and pests'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Ornamental Diseases and pests"

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Hanik, Nur Rokhimah, and Rohmad Faoji. "Identification of Pests and Diseases on Anthurium Plants (Anthurium andraeanum) in Sewu Kembang Tourism Village, Karanganyar." Jurnal Biologi Tropis 21, no. 3 (October 13, 2021): 993–1002. http://dx.doi.org/10.29303/jbt.v21i3.2973.

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Anthurium ornamental plants are currently very popular among ornamental plant lovers, both from the charm of the type and color and the high price. Although pests and diseases in anthurium are not very disturbing, if left unchecked it will greatly interfere with the beauty, inhibit growth and be detrimental to collectors and sellers/entrepreneurs of these ornamental plants. The purpose of this study was to determine the types of pests and diseases that attack anthurium plants. This research was carried out in the Sewu Kembang Nglurah Tourism Village, Tawangmangu Regency, Karanganyar Regency, for 30 days from Saturday, September 4 to October 3, 2021. This study used 20 samples of Anthurium plants. The tools used were cellphone cameras and stationery. The variables that will be observed are pests and diseases that attack Anthurium. This research used observation and interview methode, the data obtained were analyzed by qualitative descriptive. The results of this study found several pests and diseases on anthurium plants that caused the plant leaves and flowers to have holes, shriveled, yellowed spots, slimy, and caused stunted growth. The pests found were caterpillars and snails, while the diseases included fungus, chlorisis, leaf rust, anthracnose, curly leaves, and burnt leaves.
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Umiyati, Weli, Manda Ayu Pramesti, and Elin Pujiastutik. "Pest and Disease Identification in Parijoto Plant (Medinilla speciosa blume) at Nglurah Tawangmangu." Jurnal Biologi Tropis 21, no. 3 (November 13, 2021): 1073–80. http://dx.doi.org/10.29303/jbt.v21i3.2970.

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Parijoto (Medinilla speciosa blume) is a tropical plant that has purplish pink fruit often called Asian grape. In Indonesia, parijoto plants are very well known as ornamental plants that have various benefits, from parijoto fruit can be used as anti-inflammatory drugs so that ornamental plants are widely cultivated by the community, especially lovers of ornamental plants and ornamental plant cultivation in Nglurah. Medinilla speciosa blume is very suitable in Indonesia, which has a tropical climate, but the high rainfall in Indonesia in the rainy season should get more attention in caring for it. This makes parijoto plants susceptible to several types of diseases and pests that can damage the beauty of the Medinilla speciosa blume plant. However, the lack of experts in this field makes it very difficult for plant lovers and the cultivation community of Medinilla speciosa blume in Nglurah to solve the problem of diseases and pests that attack the Medinilla speciosa blume plant. The purpose of this study was to determine pests and diseases on Medinilla speciosa blume. This research was conducted in Nglurah Village Rt 01 Rw 02 Tawangmangu for five days on 04 – 08 September 2021. This research uses observation and interview methods. Data were analyzed by qualitative descriptive. This study used 10 samples of the observed Medinilla speciosa blume plant. The tools used are cellphone cameras and stationery. The variables to be observed are pests and diseases. The results of this study found 4 pests and 2 diseases on Medinilla speciosa blume including Fussarium oxysporum, Cercospora sp and Pestalotia sp, mealybugs, caterpillars, snails, grasshoppers. For this reason, the solution for treating parijoto plants to avoid pests and diseases requires extra care such as paying attention to soil moisture, giving appropriate fertilizers, and giving vitamins so that parijoto plants can grow well.
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Chen, Jianjun, and Richard J. Henny. "ZZ: A Unique Tropical Ornamental Foliage Plant." HortTechnology 13, no. 3 (January 2003): 458–62. http://dx.doi.org/10.21273/horttech.13.3.0458.

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ZZ (Zamioculcas zamiifolia), a member of the family Araceae, is emerging as an important foliage plant due to its aesthetic appearance, ability to tolerate low light and drought, and resistance to diseases and pests. However, little information is available regarding its propagation, production, and use. This report presents relevant botanical information and results of our four-year evaluation of this plant to the ornamental plant industry.
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Lakshman, D. K., R. A. Cloyd, and G. A. Chastagner. "Integrated management of diseases and pests on ornamental geophytes: challenges and progress." Acta Horticulturae, no. 1237 (April 2019): 13–32. http://dx.doi.org/10.17660/actahortic.2019.1237.3.

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Li, Haiyan, Marcos A. Soares, Mónica S. Torres, Marshall Bergen, and James F. White. "Endophytic bacterium,Bacillus amyloliquefaciens, enhances ornamental hosta resistance to diseases and insect pests." Journal of Plant Interactions 10, no. 1 (January 2015): 224–29. http://dx.doi.org/10.1080/17429145.2015.1056261.

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Zhang, Yunxia, Chao Chen, Jingpeng Zhao, Cantian Chen, Jieying Lin, Ruvishika S. Jayawardena, Meimei Xiang, Ishara S. Manawasinghe, and Chunping You. "Fusarium elaeidis Causes Stem and Root Rot on Alocasia longiloba in South China." Pathogens 10, no. 11 (October 28, 2021): 1395. http://dx.doi.org/10.3390/pathogens10111395.

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Alocasia longiloba is a popular ornamental plant in China, however pests and diseases associated with A. longiloba reduce the ornamental value of this plant. From 2016 to 2021, stem and root rot has been observed on A. longiloba in Guangdong Province, China. Once the disease became severe, plants wilted and died. A fungus was isolated from the diseased stem and identified as Fusarium elaeidis using both morphological characteristics and molecular analysis of DNA-directed RNA polymerase II subunit (rpb2), translation elongation factor-1α (tef1) gene and β-tubulin (tub2) sequence data. The pathogenicity test showed the fungus was able to produce typical symptoms on A. longiloba similar to those observed in the field. The original pathogen was reisolated from inoculated plants fulfilling Koch’s postulates. This is the first report of Fusarium elaeidis causing stem rot on A. longiloba. These results will provide a baseline to identify and control diseases associated with A. longiloba.
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Handayati, Wahyu, and Donald Sihombing. "Recent Status of Pests and Diseases on Cut Roses in Batu East Java." KnE Life Sciences 2, no. 6 (November 26, 2017): 639. http://dx.doi.org/10.18502/kls.v2i6.1086.

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Rose is one of the most important ornamental plants in Indonesia. Almost 57.02% of the national cut rose’s demand was supplied from East Java, mainly from Batu. However, in the production process, there are various problems, especially pest and disease damages. In this regard, a study was conducted to determine recent status of the pests and diseases on roses in cultivation center of Batu, East Java. Observation was carried out in the farmers’ field randomly, from October to December 2014. Observation was performed on type and damage intensity of the pests and diseases. The pests and plant damage were sampled for further identification. An interview was made with some farmers to get secondary data about the type and the importance of the pests and diseases as well as the effort for controlling them. The result showed that some pests and diseases found included aphid, armored scale insect, spider mite, thrips, black spot, crown gall and powdery mildew. Based on morphological identification, there were two families of armored scale insect, i.e., Coccidae and Diaspidae. The highest damage intensity was due to armored scale insect, thrips, black spot and crown gall with the percentage of damage intensities of 50.50%, 20.00%, 45.50% and 65.00%, respectively. Based on those data, scale insect, thrips, black spot and crown gall were classified as important pests and diseases on roses in this area. Some pesticides and other materials like petroleum oil and detergent were used by the farmers to control either pests or diseases, but they were ineffective, especially in controlling armored scale insect and crown gall. Keywords: Cut roses, pest, disease, inventory, observation, status
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Chen, Liming, Heping Zhu, Leona Horst, Matthew Wallhead, Michael Reding, and Amy Fulcher. "Management of Pest Insects and Plant Diseases in Fruit and Nursery Production with Laser-guided Variable-rate Sprayers." HortScience 56, no. 1 (January 2021): 94–100. http://dx.doi.org/10.21273/hortsci15491-20.

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Laser-guided variable-rate intelligent spray technology is anticipated to reduce pesticide use in production of crops and safeguard the environment. However, the ability of this technology to effectively control insect pests and diseases of crops must be validated before it becomes part of integrated pest management programs. Abilities of three different intelligent sprayers were tested to control pest insects and plant diseases at one fruit farm and two ornamental nurseries in Ohio during three consecutive growing seasons. The same sprayers with disabled intelligent functions were used as conventional constant-rate applications for comparisons. Test crops were apple (Malus pumila), peach (Prunus persica), blueberry (Vaccinium sect. Cyanococcus), black raspberry (Rubus occidentalis), crabapple (Malus sp.), maple (Acer sp.), birch (Betula sp.), and dogwood (Cornus florida). There were five insects and six diseases total involved in the investigations in the fruit farm and two nurseries. The field tests showed the intelligent spray applications reduced pesticide and foliar fertilizer use by ≈30% to 65% on average during the 3-year experiments. At the same time, intelligent spray technology was similar or more effective than conventional spray technology when controlling insects and diseases on a variety of crops. These results demonstrated that intelligent spray technology was environmentally friendly and more effective for control of insect and disease pests in fruit farms and ornamental tree nurseries.
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Michael, Michael. "Expert System to Diagnose Bonsai Plant Pests With Certainty Factor Method." Jurnal Mandiri IT 10, no. 2 (January 29, 2022): 87–94. http://dx.doi.org/10.35335/mandiri.v10i2.108.

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Bonsai ornamental plants are dwarf plants which are generally planted in shallow pots. The main element in bonsai is harmony between pots and plants, in addition to harmony between pots and plants there are also other elements such as trunk size, tree height, root distribution, twigs, and leaf size as well as diseases and pests that attack the bonsai plants need to be considered. The difficulty of the community in conducting consultations and the unavailability of funds and time, so that the community has never conducted consultations about diseases and pests that attack their bonsai plants to experts or plant extension workers from the relevant agencies. Therefore, it is necessary to take action to anticipate the increasing number of bonsai farmers who do not consult on diseases and pests of bonsai plants. This is due to the delay in the diagnosis of the disease. The unavailability of experts or plant extension workers who are close, the community does not have time to conduct consultations and requires money. An expert system is a computer-based system that uses knowledge, facts, and techniques and reasoning in solving problems that can usually only be solved by an expert in the field. The Certainty Factor method is efficient enough to be used in diagnosing the diseases and pests of the bonsai plant. This system can provide early diagnosis of diseases and pests on the bonsai plant based on the symptoms and intensity of the symptoms that are visible from the outside. Users only need to enter the Web to take the first step in solving bonsai plant diseases and pests and choose the symptoms of the disease they are experiencing without having to ask an expert directly. This system is made web-based with PHP programming language and MySQL database.
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Michael, Michael. "Expert System to Diagnose Bonsai Plant Pests with Certainty Factor Method." Journal of Intelligent Decision Support System (IDSS) 5, no. 1 (February 8, 2022): 20–27. http://dx.doi.org/10.35335/idss.v5i1.77.

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Bonsai ornamental plants are dwarf plants which are generally planted in shallow pots. The main element in bonsai is harmony between pots and plants, in addition to harmony between pots and plants there are also other elements such as trunk size, tree height, root distribution, twigs, and leaf size as well as diseases and pests that attack the bonsai plants need to be considered. The difficulty of the community in conducting consultations and the unavailability of funds and time, so that the community has never conducted consultations about diseases and pests that attack their bonsai plants to experts or plant extension workers from the relevant agencies. Therefore, it is necessary to take action to anticipate the increasing number of bonsai farmers who do not consult on diseases and pests of bonsai plants. This is due to the delay in the diagnosis of the disease. The unavailability of experts or plant extension workers who are close, the community does not have time to conduct consultations and requires money. An expert system is a computer-based system that uses knowledge, facts, and techniques and reasoning in solving problems that can usually only be solved by an expert in the field. The Certainty Factor method is efficient enough to be used in diagnosing the diseases and pests of the bonsai plant. This system can provide early diagnosis of diseases and pests on the bonsai plant based on the symptoms and intensity of the symptoms that are visible from the outside. Users only need to enter the Web to take the first step in solving bonsai plant diseases and pests and choose the symptoms of the disease they are experiencing without having to ask an expert directly. This system is made web-based with PHP programming language and MySQL database.
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Dissertations / Theses on the topic "Ornamental Diseases and pests"

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Madire, Lulama Gracious. "Suitability of the leaf-mining fly, Pseudonapomyza sp. (Diptera: Agromyzidae), for biological control of Tecoma stans L. (Bignoniaceae) in South Africa." Thesis, University of Fort Hare, 2010. http://hdl.handle.net/10353/255.

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Tecoma stans (L.) Juss. Ex Kunth (Bignoniaceae) also known as yellow bells, has a native distribution from Northern Argentina, central America, Mexico and the Southern USA. In many warm climatic regions of the world, T. stans is commonly planted as an ornamental plant because of its yellow flowers, hence the name yellow bells, and pinnate foliage. As a result, this evergreen shrub has wide distribution in the tropical and subtropical parts of the western hemisphere. As is the case in many other parts of the world, T. stans was introduced into South Africa as an ornamental plant, but escaped cultivation and now invades roadsides, urban open spaces, watercourses, rocky sites in subtropical and tropical areas of five South African provinces; Gauteng, Mpumalanga, Limpopo, KwaZulu-Natal, Eastern Cape and neighboring countries. Tecoma stans has the potential of extending its range because its seeds are easily dispersed by wind. The purpose of this work was to carry out pre-release efficacy studies to determine the host specificity and suitability of Pseudonapomyza sp. (Diptera: Agromyzidae), a leaf-mining fly, as a biological control agent of T. stans. Available information suggests that the fly was brought to South Africa (SA) from Argentina in 2005. In that year a worker collected adult root feeding fleabeetles from T. stans and their eggs by collecting soil around the plants in the Argentinian Province of Jujuy, at San Pedro (24°12’592”S, 64°51’328”W). The soil was brought to the SA quarantine laboratory of the Agricultural Research Council, Plant Protection Research Institute (Weeds Division), Pretoria, and placed in a cage containing T. stans plants for flea-beetle larvae to emerge from the eggs. The Pseudonapomyza sp. flies which emerged from that soil were reared to produce a colony of flies used in the study reported here. The feeding behavior of Pseudonapomyza sp. adults is initiated by females which use their ovipositor to puncture holes in the leaf mesophyll and then they feed on the sap oozing from the holes. Since males have no means of puncturing the leaves, they feed from holes made by females. Eggs are laid singly into the tubular leaf punctures. Soon after hatching, the larva feeds on the leaf mesophyll tissue. As the larva feeds within the leaf it creates mines which eventually coalesce to form large blotches. The damaged leaf area reduces the photosynthetic potential of the plant especially when damaged leaves dry and fall off the plants. The potential of Pseudonapomyza sp. as a biocontrol agent is enhanced by the fact that it has a high level of fecundity and a short life cycle. As a result, its populations can build up rapidly to exert a significant impact on T. stans. Host-specificity tests undertaken on 35 plant species in 12 plant families showed that out of the 35 plant species tested, the fly was able to develop on T. stans only. Although Pseudonapomyza sp. adults fed on T. capensis, a South African indigenous ornamental shrub, no larval mines were observed on this plant. This suggests two possibilities; either females of Pseudonapomyza sp. do not oviposit on T. capensis or oviposition takes place but larvae cannot feed and develop on this plant. These studies indicate that this fly is sufficiently host-specific, and can be released against T. stans without posing any threat to either commercial or indigenous plant species grown in South Africa. Experimental designs simulating high populations of Pseudonapomyza sp. showed that the impact of leaf mining fly on T. stans can cause approximately 56 percent aboveground biomass reduction. Other concurrent studies have also showed that low and high density fly infestations can cause 23 percent and 48 percent belowground biomass reductions, respectively. Based on the available information, it appears that Pseudonapomyza sp. may have the potential to reduce the invasive capacity of T. stans in the affected areas. In order to exert more herbivore pressure on T. stans, it is suggested that agents belonging to other feeding guilds, such as root-, stem- and seed-feeding insects, be considered for release to complement the leaf-feeding of Pseudonapomyza sp. An application to release this fly in SA has been submitted to one of the two regulatory authorities.
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Olsen, Mary W., and Jeff J. Gilbert. "Evaluation of Fungicides for Control of Rapid Blight of Poa trivialis (2003)." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216544.

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Rapid blight is a new disease of cool season turf grasses that has occurred on over a dozen golf courses in Arizona. It is now known to be caused by Labyrinthula terrestris, an organism in a group referred to as the marine slime molds. A trial was conducted in fall 2003 and winter 2004 to evaluate efficacy of selected fungicides for control of rapid blight at a golf course in central Arizona with a previous history of disease. Plots were established in late October2003 on a practice green on which Bermuda was overseeded with Poa trivialis. Treatments included Compass, Insignia, Fore, Bordeaux, Kocide 2000, Microthiol Disperss, Ecoguard and Floradox in various combinations and application dates. Disease symptoms appeared about 6 weeks after the first mowing and were evaluated in mid January. Results indicate that applications of Fore, Insignia and tank mixes of Insignia and Compass with Fore gave excellent control. Bordeaux, Compass alone, Compass alternated with Fore, Insignia alone, and Kocide gave good control. Microthiol Disperss, Floradox and Ecoguard gave poor control.
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Kopec, David M., Jeff J. Gilbert, Dawn Gauge, Kirk A. Smith, Mohammed Pessarakli, and Dallas Piscopo. "Rove Beetle Control Using Selected Insecticide Agents on Bentgrass Greens Turf." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216546.

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Rove beetles (Osorius planifrons) can and often do cause extensive surface disruption on turf mowed at greens height. Two rates (1x and 2x of product label rate) of Crusade (fonophos), Sevin (carbaryl), DeltaGard (deltamethrin), and Chipco Choice (fipronil), were applied on September 28, 2001 on an SR1020 creeping bentgrass green. Percent rove beetle control was nearly 100% for DeltaGard at 9, 15 and 32 days after treatment, regardless of rate. Crusade had nearly 100% control at either rate at 9 days after treatment, which decreased slightly to 90-93% control by 15 days after treatment. Deltamethrin maintained 95% and 98% control at the 1x and 2x rates respectively, at the close of the test (32 DAT). Crusade maintained 93% and 98% control at the 1x and 2x rates at 32 DAT. Chipco Choice had a maximum control of 24% at 7 DAT when applied at the 1x rate, and a maximum control of 57% at 32 DAT when applied at the 2x rate. Sevin provided low levels of control which peaked at 53% at the 1x rate at 9 DAT, which decreased immediately afterwards. Delta-Gard and Crusade provided excellent control levels of rove beetles on SR1020 bentgrass greens.
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Olsen, Mary W., and Donna M. Bigelow. "Evaluation of Fungicides for Control of Rapid Blight of Poa trivialis (2002)." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216575.

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Rapid blight is a new disease of cool season turf grasses that has occurred on several golf courses in Arizona over the past five years. It is now known to be caused by a Labyrinthula sp., an organism in a group referred to as the marine slime molds. A trial was conducted in fall 2002 to evaluate efficacy of selected fungicides for control of rapid blight at a golf course in central Arizona with a previous history of disease. Plots were established in October 2002 on a practice green on which Bermuda was overseeded with Poa trivialis. Treatments included Compass, Insignia, Fore, Eagle and Aqueduct in various combinations and application dates. Disease symptoms appeared several days after the first mowing and continued for over three months. Results indicate that both pre- and post-plant applications of Fore and post-plant applications of Insignia and Compass gave good control. The best results were obtained with the treatment of Fore combined with Compass that included a pre-plant application of Fore, or with post-plant application of Insignia.
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Bigelow, Donna M., and Mary W. Olsen. "Infection of Selected Turfgrasses by Labyrinthula terrestris." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216576.

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A number of turfgrasses were screened in the greenhouse and laboratory for susceptibility to Labyrinthula terrestris, a new turfgrass pathogen that causes rapid blight of cool season turfgrasses. Salt tolerant varieties and warm season grasses such as Bermuda grass, tufted hairgrass, inland saltgrass, centipede grass, seashore paspalum and kikuyugrass were not susceptible; cool season grasses such as velvet bentgrass, annual ryegrass, perennial ryegrass, annual bluegrass, Kentucky bluegrass, and rough bluegrass were very susceptible.
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Kopec, David M., Mary W. Olsen, Jeff J. Gilbert, Donna M. Bigelow, Michele Kohout, and Mick Twito. "Response of Cool Season Turfs when Overseeded on a Putting Green with a History of Rapid Blight Disease." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216577.

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Rapid blight disease is a potentially devastating disease on cool season overseed turfs when irrigated with saline water. A two year test was conducted on a closely mowed Tifgreen bermudagrass turf which was infected with visual symptoms of necrotic patches of turf, and various degrees of blighting. The test included a broad representation of turf species for overseeding in an effort to (1) determine selected specie/cultivar susceptibility and disease expression to rapid blight in the field and (2) survey and assess the association of laboratory isolate detection from field sampling, with disease occurrence and severity of expression of field maintained overseed turf. Over a two year period, Rapid blight, caused by Labyrinthula terrestris was capable of infesting most cool season grasses in this test. In year one, Dawson CRF, SRX 555 slender creeping red fescue, and SR 105210 slender creeping red fescue showed no positive lab detection results from field plots. In year two (2003-2004), only SRX 555 SLQ had only 1 plot known to carry Labyrinthula throughout the main infestation season. In year two, essentially all turf plots showed some symptomology of disease expression. This was confirmed by lab identification. Tiller infection rates varied from 2% to 80% infection in the lab from field samples. The relationship between tiller infection rates and field plot disease expression was determined by Pearson’s product and Spearman Rank correlation coefficients. Field plot disease scores were correlated with percent tiller infection rates, R² = -0.56 plot basis, and R² = –0.71 treatment mean basis, respectively. Spearman Rank correlation coefficients were R² =; -0.62 on a plot basis, and R² =–0.78 based on treatment means Agreement between the disease condition (yes/no) vs. lab findings (positive/negative) occurred on 51 of 59 plot cases, and was significant compared to chance alone occurrences. Over two years, entries which had low disease scores included Fult’s alkali grass, Dawson creeping red fescue, SRX 555 SLQ slender creeping red fescue, SR 5210 slender creeping red fescue, and Providence creeping bentgrass. Over two years, entries which produced high field disease rating scores included SR 3100 Hard fescue, TransEze intermediate ryegrass, SR 4400 perennial ryegrass, SR 7200 velvet bentgrass, SR 7100 colonial bentgrass, Sabre and Laser Poa trivialis, and Redtop.
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Roberts, S. J. "Bacterial diseases of woody ornamental plants." Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375533.

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Terry, Alan J. "Control of pests and diseases." Thesis, University of Surrey, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505965.

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George, Adrienne. "Cataloguing Diseases and Pests in Captive Corals." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3115.

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Stony corals (Order Scleractinia) are susceptible to a variety of diseases, which can occur from abiotic or biotic factors, or a combination of both. Public aquaria provide opportunities to study coral disease. Because coral mucus is the first line of defense against disease, the Biolog EcoplateTM is a useful tool to detect differences in microbial assemblages in the surface mucopolysaccharide (mucus) layer when comparing healthy and diseased corals. Histological examination is essential to document structural changes in coral tissue in response to diseases. This study identifies and characterizes diseases in captive corals through visual recognition, characterization of carbon utilization by microbial assemblages in coral mucus samples, and histological examination. In March 2010, surveys were sent to public aquaria throughout the United States that house corals. If the survey was returned indicating that the aquarium had diseased coral specimens present, sample kits were sent to the aquarium to acquire photographs, mucus samples for microbial carbon utilization analysis, and tissue samples for histological examination. Eighteen aquaria participated in the survey and 25 sets of samples were provided. The gross lesions from diseased samples fit into six categories: discoloration associated with darkening of the tissue or with color loss (bleaching), growth anomalies, and tissue loss associated with pests, with brown jelly, or with no obvious cause. Seven categories of possible contributing factors were reported: addition of inadequately quarantined corals to the tank, damage during transport, change of location, manual stress, and variations in light, salinity, or temperature. Introduction of inadequately quarantined specimens was the most common possible contributing factor to pest introduction. Significant differences in carbon source utilization were found between tank-water samples and mucus from both healthy and diseased areas of sampled corals. Although mucus samples from healthy and diseased samples did not differ in carbon source utilization overall, D-mannitol was used by 52% of microbial assemblages from mucus from diseased areas compared with only 17% of microbial assemblages from healthy mucus samples. Histologically, the most commonly observed features across all samples were healthy zooxanthellae, endolithic organisms, and nematocysts, all of which are normal features that can be influenced by stress factors. Brown granular material and ciliates were found associated with some anomalies, primarily the three categories of tissue loss. The presence of dense aggregates of zooxanthellate-engorged ciliates in corals afflicted with brown jelly was highly similar to histological observations of brown band syndrome, previously described from natural coral reefs.
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Umeda, Kai, and Gabriel Towers. "Evaluation of Insecticides for Efficacy on Turfgrass Pests." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2008. http://hdl.handle.net/10150/216634.

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No masked chafer larvae were observed for treatments of imidacloprid, imidacloprid plus bifenthrin, clothianidin, and the two higher rates of DPX-E2Y45. The inconsistent and low populations of masked chafer larvae and billbugs in the turfgrass did not provide for conclusive results. Clothianidin and the two higher rates of DPX-E2Y45 had no billbug larvae. An early rating date showed that more billbug adults were in turf treated with imidacloprid and DPX-E2Y45. Later rating dates showed a decline in adults for all treatments.
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Books on the topic "Ornamental Diseases and pests"

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Society, American Phytopathological, ed. Compendium of ornamental foliage plant diseases. St. Paul, Minn., USA: APS Press, 1987.

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2

Dreistadt, Steve H. Pests of landscape treesand shrubs: An integrated pest management guide. Oakland, CA: University of California, Division of Agriculture and Natural Resources, 1994.

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Kelly, Clark Jack, and University of California Integrated Pest Management Program., eds. Pests of landscape trees and shrubs: An integrated pest management guide. Oakland, CA: University of California, Division of Agriculture and Natural Resources, 1994.

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A, Burdekin D., ed. Diseases of forest and ornamental trees. 2nd ed. London: Macmillan Press, 1992.

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McClure, Mark S. Managing hemlock woolly adelgid in ornamental landscapes. New Haven: Connecticut Agricultural Experiment Station, 1995.

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McClure, Mark S. Managing hemlock woolly adelgid in ornamental landscapes. New Haven: Connecticut Agricultural Experiment Station, 1995.

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Gullino, M. Lodovica, J. Katan, and Angelo Garibaldi. Fusarium wilts of greenhouse vegetable and ornamental crops. St. Paul, Minn., U.S.A: American Phytopathological Society, 2012.

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1942-, Lindquist Richard Kenneth, ed. Ball pest & disease manual. Geneva, Ill., USA: Ball Pub., 1992.

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Horton, Jenner L. Deer-resistant ornamental plants. [Corvallis, Or.]: Oregon State University Extension Service, 1994.

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Horton, Jenner L. Deer-resistant ornamental plants. [Corvallis, Or.]: Oregon State University Extension Service, 1994.

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Book chapters on the topic "Ornamental Diseases and pests"

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Lodovica Gullino, M., and Leslie R. Wardlow. "Ornamentals." In Integrated Pest and Disease Management in Greenhouse Crops, 486–505. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/0-306-47585-5_34.

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Carvalho, Lívia Mendes, Brígida Souza, and Ana Luiza Viana de Sousa. "Ornamental Plants." In Natural Enemies of Insect Pests in Neotropical Agroecosystems, 355–68. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24733-1_29.

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Magnano di San Lio, G., R. Tuttobene, and A. M. Pennis. "Phytophthora blight – A destructive disease of ornamental citrus*." In Integrated Pest Control in Citrus-Groves, 279–86. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003079279-43.

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Reddy, Parvatha P. "Ornamental Crops." In Nematode Diseases of Crops and their Management, 355–72. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3242-6_21.

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Thompson, Anthony Keith, and Ibok Oduro. "Diseases and pests." In Yams: botany, production and uses, 76–90. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249279.0006.

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Abstract This chapter describes the different diseases and pests that affect yams and various methods for their control. It particularly covers the following aspects: field fungal diseases; postharvest fungal diseases; specific fungal diseases; control of fungal diseases; bacterial diseases; viral diseases; physiological disorders; insect pests; and nematode pests.
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Laksono, N. D., U. Setiawati, F. Nur, M. Rahmaningsih, Y. Anwar, H. Rusfiandi, B. P. Forster, E. H. Sembiring, A. S. Subbarao, and H. Zahara. "Pests and diseases." In Nursery practices in oil palm: a manual, 77–85. Wallingford: CABI, 2019. http://dx.doi.org/10.1079/9781789242140.0077.

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Daughtrey, Margery, and Rose Buitenhuis. "Integrated Pest and Disease Management in Greenhouse Ornamentals." In Integrated Pest and Disease Management in Greenhouse Crops, 625–79. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-22304-5_22.

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Sridhar, V., S. Onkara Naik, P. Swathi, and M. Mani. "Pests and Their Management in Ornamental Plants." In Trends in Horticultural Entomology, 1189–237. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-0343-4_52.

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Bellardi, Maria Grazia, Assunta Bertaccini, Madhupriya, and Govind Pratap Rao. "Phytoplasma Diseases in Ornamental Crops." In Phytoplasmas: Plant Pathogenic Bacteria - I, 191–233. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0119-3_7.

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Yasin, Muhammad, Amna Khan, Mirza Abdul Qayyum, Anjum Aqueel, Abdul Rehman, Sajjad Ali, Sana Rubab, and Fazeela Saleem. "Microbial Management of Ornamental Plants/Palm Common Pests." In Microbial Biocontrol: Food Security and Post Harvest Management, 265–84. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87289-2_11.

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Conference papers on the topic "Ornamental Diseases and pests"

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Aukhadieva, E. A., R. A. Daukaev, G. R. Allayarova, and E. E. Zelenkovskaya. "Evaluation of the success of the introduction of species of the genus Iris L. in the conditions of the forest-steppe zone of the Bashkir Cis-Urals." In III All-Russian Scientific Conference with International Participation "Science, technology, society: Environmental engineering for sustainable development of territories". Krasnoyarsk Science and Technology City Hall, 2022. http://dx.doi.org/10.47813/nto.3.2022.6.674-678.

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Irises are ornamental and adaptable plants that are of interest to many scientists around the world. The present studies were carried out on the basis of the SUBSI RAS. The success of the introduction of 10 species of the genus Iris in the conditions of the forest-steppe zone of the Bashkir Cis-Urals was assessed, seed productivity, pollen viability and the ability to autogamy were identified. The evaluation results showed that all the studied species are promising and very promising. The very promising group includes I. pseudacorus and I. sibirica, which are representatives of the flora of the Republic of Bashkortostan, as well as I. lactea. Plants have a high vitality, resistant to diseases and pests. Other species are promising for introduction in introduced conditions. The species are highly adapted to the climate of the forest-steppe zone of the Bashkir Cis-Urals and can be successfully grown and widely used in landscaping settlements and in breeding work.
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Heinz, Kevin. "System approaches to management of arthropod pests in ornamental crops." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.95316.

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Munkvold, Gary P. "Managing Diseases and Pests with Seed Treatments." In Proceedings of the 16th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2007. http://dx.doi.org/10.31274/icm-180809-893.

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Tumang, Gina S. "Pests and Diseases Identification in Mango using MATLAB." In 2019 5th International conference on Engineering, Applied Sciences and Technology (ICEAST). IEEE, 2019. http://dx.doi.org/10.1109/iceast.2019.8802579.

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Wang, Qiyao, Guiqing He, Feng Li, and Haixi Zhang. "A novel database for plant diseases and pests classification." In 2020 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC). IEEE, 2020. http://dx.doi.org/10.1109/icspcc50002.2020.9259502.

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Patel, Pruthvi P., and Dineshkumar B. Vaghela. "Crop Diseases and Pests Detection Using Convolutional Neural Network." In 2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT). IEEE, 2019. http://dx.doi.org/10.1109/icecct.2019.8869510.

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Kulikov, M. A., A. N. Kulikova, and A. V. Goncharov. "Resistance of sunflower hybrids to herbicides, diseases, pests and weeds." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-158.

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Alfarisy, Ahmad Arib, Quan Chen, and Minyi Guo. "Deep learning based classification for paddy pests & diseases recognition." In ICMAI '18: 2018 International Conference on Mathematics and Artificial Intelligence. New York, NY, USA: ACM, 2018. http://dx.doi.org/10.1145/3208788.3208795.

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Xiaopeng, Dai, and Li Donghui. "Research on Rice Pests and Diseases Warning Based on CBR." In 2013 Fifth International Conference on Computational and Information Sciences (ICCIS). IEEE, 2013. http://dx.doi.org/10.1109/iccis.2013.454.

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Zhang, Ning, Zuochang Ye, and Yan Wang. "An End-to-end System for Pests and Diseases Identification." In IVSP '20: 2020 2nd International Conference on Image, Video and Signal Processing. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3388818.3389155.

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Reports on the topic "Ornamental Diseases and pests"

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Solomon, J. D., T. D. Leininger, A. D. Wilson, R. L. Anderson, L. C. Thompson, and F. I. McCracken. Ash pests: a guide to major insects, diseases, air pollution injury, and chemical injury. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station, 1993. http://dx.doi.org/10.2737/so-gtr-096.

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Solomon, J. D., T. D. Leininger, A. D. Wilson, R. L. Anderson, L. C. Thompson, and F. I. McCracken. Ash pests: a guide to major insects, diseases, air pollution injury, and chemical injury. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station, 1993. http://dx.doi.org/10.2737/so-gtr-96.

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Kosiba, Alexandra, Emma Tait, Gene Desideraggio, Alyx Belisle, Clarke Cooper, and James Duncan. Threats to the Urban Forest: The potential economic impacts of invasive forest pests and diseases in the Northeast. Forest Ecosystem Monitoring Cooperative, June 2020. http://dx.doi.org/10.18125/8w9j42.

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Davis, Cristina, Amots Hetzroni, Alexander Aksenov, Michael J. Delwiche, Victoria Soroker, and Victor Alchanatis. Development of a universal volatile compound detection technology for early recognition of pests and diseases in fruit trees. United States Department of Agriculture, January 2015. http://dx.doi.org/10.32747/2015.7600016.bard.

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Amanor, Kojo, Joseph Yaro, Joseph Teye, and Steve Wiggin. Ghana’s Cocoa Farmers Need to Change Gear: What Policymakers Need to Know, and What They Might Do. Institute of Development Studies (IDS), March 2022. http://dx.doi.org/10.19088/apra.2022.008.

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Cocoa farmers in Ghana face increasing challenges. In the past, many of them could make a living from cocoa thanks to the advantages – ‘forest rents’ – that initially apply when forest is cleared to create cocoa farms: fertile soils, few pests and diseases. With time, however, weeds invade, pests and diseases build up, and trees age. To maintain production requires more labour, more inputs and more skill. In the past, farmers would often abandon older groves and seek new forest to clear. As they did so, the frontier for cocoa farming moved westwards across Ghana to the remaining high forest. But by 2000 or so, no new forest was available. Farmers now have to manage aging stands of trees, clear weeds and parasites, and combat pests, fungi and diseases. In Suhum District in the east and in Juaboso District in the far west of Ghana, we talked to farmers. They understood the challenges they faced, and knew how to deal with some of them. But many were not farming their cocoa as well as they could, losing yields and income as a result. This brief provides a basis for policymakers to move forward in responding to the current challenges facing cocoa farmers.
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Roush, Richard, and David Rosen. Understanding the Causes and Genetic Effects of Thelytoky in the Aphelinidae: A Key to Improving Biological Control. United States Department of Agriculture, July 1992. http://dx.doi.org/10.32747/1992.7561058.bard.

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Helytoky is a type of parthenogenesis whereby females produce only female offspring without the involvement of males, even where males are occasionally produced. In the last few years, strong circumstantial evidence has implied that thelytoky can be caused by micro-organisms called Wolbachia in at least some species of wasps. The thelytoky can be "cured" by treatment with antibiotics. Further Wolbachia-like organisms can be found in microscopic examinations and genetically identified through their DNA. The aphelinid wasps, and especially species in the genus Aphytis, are among the most important of all classical biological control agents. Aphytis species are critical in the biological control of scale insect pests in commercial orchards and ornamental plantings. About 30% of Aphytis species are thelytikous, of which we were able to study three in detail. In all three, thelytoky was curable by treatment with antibiotics and Wolbachia were identified morphologically and through their DNA. In contrast, Wolbachia were not detectable in biparental species of Aphytis. Studies of Wolbachia gene sequences obtained from Aphytis showed that they were most closely related to those from a very distantly related wasp, Muscidifurax uniraptor, strongly implying that the Wolbachia can be horizontally transferred. As revealed by electron microscopy, the Wolbachia show a strong association with the nurse and follicle cells of the female wasps.
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Kotler, Moshe, Larry Hanson, and Shane Burgess. Replication Defective Cyprinid Herpes Virus-3 (CyHV-3) as a Combined Prophylactic Vaccine in Carps. United States Department of Agriculture, December 2010. http://dx.doi.org/10.32747/2010.7697104.bard.

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Aquacultured koi and common carp fish (Cyprinus carpio) are intensively bred as ornamental and food fish in many countries worldwide. Hatcheries of carp and koi have recently suffered massive financial damages due to two viral diseases caused by the Cyprinid herpesvirus-3 (CyHV-3), previously designated as Carp Interstitial Nephritis and Gill Necrosis Virus (CNGV) and Koi herpesvirus (KHV), and by the Spring Viremia of Carp Virus (SVCV). CyHV-3 is a large dsDNA virus, which is infectious mostly to koi and common carp, while SVCV is a rhabdovirus with a relatively broad host range. Both viruses induce contagious disease with mortality rate up to 90%. Strategies for the control of viral infection in fish are of limited use. While efforts to prevent introduction of infectious agents into culture facilities are desirable, such exclusion strategies are far from fail-safe. Extensive vaccination methods that are useful for use in aquaculture facilities produce weak immunity, when used with proteins or inactivated viruses. Methods to overcome this obstacle are to vaccinate the fish with large amounts of antigen and/or use adjuvant and immune modulators over a long period. These techniques usually require individual handling of the fish. On the other hand, live attenuated virus is efficient and economical when used as an immersionvaccine. However, this technique poses certain environmental risks and thus may be difficult to license and scale up. Another option is a vaccine based on the replication defective virus (RDV) (pseudovirus), which can infect cells, but is unable to produce infectious particles. This vaccine may circumvent many of the problems related to attenuated-live vaccine (e.g., inadvertent infection and reversion to the virulent strain).
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Cohen, Yuval, Christopher A. Cullis, and Uri Lavi. Molecular Analyses of Soma-clonal Variation in Date Palm and Banana for Early Identification and Control of Off-types Generation. United States Department of Agriculture, October 2010. http://dx.doi.org/10.32747/2010.7592124.bard.

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Date palm (Phoenix dactylifera L.) is the major fruit tree grown in arid areas in the Middle East and North Africa. In the last century, dates were introduced to new regions including the USA. Date palms are traditionally propagated through offshoots. Expansion of modern date palm groves led to the development of Tissue Culture propagation methods that generate a large number of homogenous plants, have no seasonal effect on plant source and provide tools to fight the expansion of date pests and diseases. The disadvantage of this procedure is the occurrence of off-type trees which differ from the original cultivar. In the present project we focused on two of the most common date palm off-types: (1) trees with reduced fruit setting, in which most of the flowers turn into three-carpel parthenocarpic fruits. In a severe form, multi-carpel flowers and fruitlets (with up to six or eight carpels instead of the normal three-carpel flowers) are also formed. (2) dwarf trees, having fewer and shorter leaves, very short trunk and are not bearing fruits at their expected age, compared to the normal trees. Similar off-types occur in other crop species propagated by tissue culture, like banana (mainly dwarf plants) or oil palm (with a common 'Mantled' phenotype with reduced fruit setting and occurrence of supernumerary carpels). Some off-types can only be detected several years after planting in the fields. Therefore, efficient methods for prevention of the generation of off-types, as well as methods for their detection and early removal, are required for date palms, as well as for other tissue culture propagated crops. This research is aimed at the understanding of the mechanisms by which off-types are generated, and developing markers for their early identification. Several molecular and genomic approaches were applied. Using Methylation Sensitive AFLP and bisulfite sequencing, we detected changes in DNA methylation patterns occurring in off-types. We isolated and compared the sequence and expression of candidate genes, genes related to vegetative growth and dwarfism and genes related to flower development. While no sequence variation were detected, changes in gene expression, associated with the severity of the "fruit set" phenotype were detected in two genes - PdDEF (Ortholog of rice SPW1, and AP3 B type MADS box gene), and PdDIF (a defensin gene, highly homologous to the oil palm gene EGAD). We applied transcriptomic analyses, using high throughput sequencing, to identify genes differentially expressed in the "palm heart" (the apical meristem and the region of embryonic leaves) of dwarf vs. normal trees. Among the differentially expressed genes we identified genes related to hormonal biosynthesis, perception and regulation, genes related to cell expansion, and genes related to DNA methylation. Using Representation Difference Analyses, we detected changes in the genomes of off-type trees, mainly chloroplast-derived sequences that were incorporated in the nuclear genome and sequences of transposable elements. Sequences previously identified as differing between normal and off-type trees of oil palms or banana, successfully identified variation among date palm off-types, suggesting that these represent highly labile regions of monocot genomes. The data indicate that the date palm genome, similarly to genomes of other monocot crops as oil palm and banana, is quite unstable when cells pass through a cycle of tissue culture and regeneration. Changes in DNA sequences, translocation of DNA fragments and alteration of methylation patterns occur. Consequently, patterns of gene expression are changed, resulting in abnormal phenotypes. The data can be useful for future development of tools for early identification of off-type as well as for better understanding the phenomenon of somaclonal variation during propagation in vitro.
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A 40-Year Retrospective of APHIS, 1972–2012. United States Department of Agriculture, Animal and Plant Health Inspection Service, January 2012. http://dx.doi.org/10.32747/2012.7204068.aphis.

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Since APHIS was formed in 1972, it has evolved into a multi-faceted Agency with responsibilities that include protecting and promoting U.S. agricultural health from foreign pests and diseases, regulating genetically engineered organisms, administering the Animal Welfare Act, and carrying out wildlife damage management activities. It has been 15 years since APHIS compiled a history of its mission and activities. This year, 2012, marks both the 40th anniversary of the Agency and the 150th anniversary of USDA, providing a unique opportunity to put that history in context. This retrospective briefly examines the history of animal and plant health regulation within USDA, assesses APHIS' development over four decades, includes biographies of the Agency’s Administrators, and provides snapshots of some of the milestone issues and events that define the Agency’s history and its accomplishments.
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Plant Protection and Quarantine: Helping U.S. Agriculture Thrive--Across the Country and Around the World, 2016 Annual Report. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, March 2017. http://dx.doi.org/10.32747/2017.7207241.aphis.

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For Plant Protection and Quarantine (PPQ) and our partners, 2016 was a year of remarkable successes. Not only did we eradicate 10 fruit fly outbreaks, but we also achieved 4 years with zero detections of pink bollworm, moving us one step closer to eradicating this pest from all commercial cotton-growing areas of the continental United States. And when the U.S. corn industry faced the first-ever detection of bacterial leaf streak (Xanthomonas vasicular pv vasculorum), we devised a practical and scientific approach to manage the disease and protect valuable export markets. Our most significant domestic accomplishment this year, however, was achieving one of our agency’s top 10 goals: eliminating the European grapevine moth (EGVM) from the United States. On the world stage, PPQ helped U.S. agriculture thrive in the global market-place. We worked closely with our international trading partners to develop and promote science-based standards, helping to create a safe, fair, and predictable agricultural trade system that minimizes the spread of invasive plant pests and diseases. We reached critical plant health agreements and resolved plant health barriers to trade, which sustained and expanded U.S. export markets valued at more than $4 billion. And, we helped U.S. producers meet foreign market access requirements and certified the health of more than 650,000 exports, securing economic opportunities for U.S. products abroad. These successes underscore how PPQ is working every day to keep U.S. agriculture healthy and profitable.
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