Letteratura scientifica selezionata sul tema "Mung bean Diseases and pests"
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Articoli di riviste sul tema "Mung bean Diseases and pests"
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Gilang, Rama Ginanjar, Nenet Susniahti e Danar Dono. "The effectiveness of soursop seed (Annona muricata L.) agains Callosobruchus maculatus F. (Coleoptera: Bruchidae)". CROPSAVER - Journal of Plant Protection 1, n. 1 (18 gennaio 2019): 15. http://dx.doi.org/10.24198/cropsaver.v1i1.16994.
Testo completoAbstract (sommario):
Callosobruchus maculatus F. (Coleoptera: Bruchidae) one of the main pests that cause damage to mung beans in storage areas. This research was conducted to determine the effective dose from soursop seed (Annona muricata) powder resulting mortality and emphasizing the amount of imago on the first-generation C. Maculatus. This research was conducted at Plant Pest Laboratory, Department of Plant Pests and diseases, Faculty of Agriculture, Universitas Padjadjaran, Jatinangor using experimental method of Complete Random Design (CRD) with 6 treatments and 5 replications. The treatments were tested using 5 doses of A. muricata seed powder with 1 grams, 3 grams, 5 grams, 7 grams, and 9 grams doses, and added with control or without treatment. The results showed that the dose of 5 grams A. muricata seed powder showed the mortality of C. maculatus by 94% at 8 days after infestation, emphasizing the amount of eggs which is placed C. maculatus of mungbean seed 77,64%. Emphasis on the emergence of the first generation of imago in the mung bean seeds is 74.67%. The lowest of loss weight mung beed seed amount 1,33%.Keywords: Annona muricata, Callosobruchus maculatus, Soursop Seed Powder, Mortality
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Saeed, Muhammad S., Sadia Kaukab, Chaudhary M. Rafiq, Aziz U. Rehman, Aqsa Tahir, Ghulfam Riasat, Ehsan Khan e Sobia Ijaz. "PRI MUNG-2018 : A NEW MUNGBEAN VARIETY RELEASED IN PAKISTAN FOUND RESISTANT TO VIRAL DISEASES". Pakistan Journal of Phytopathology 30, n. 2 (27 dicembre 2018): 177. http://dx.doi.org/10.33866/phytopathol.030.02.0460.
Testo completoAbstract (sommario):
A cross was made between Line No.1 and E-321 in 2002. The material was handled in filial generations following pedigree method from 2002-2018. It was tested in yield trials 2009-14 and was found high yielding as compared to check variety AZRI Mung-2006. In disease screening nurseries it had shown good disease resistance against Mung bean yellow mosaic virus, Urdbean Leaf Crinkle virus and Cercospora disease. It also exhibited tolerance to insect pests. In addition to this, proposed variety needs no special production technology package and fit in a better way in Rice-Wheat cropping system or between wheat and succeeding crop as catch crop due to short duration. The new variety PRI Mung-2018 is suitable for all areas of Punjab province.
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Makhmudova, Shahnoza, e Khonoyim Ergasheva. "Main pests of mung bean and the effectiveness of chemicals use in pest management". E3S Web of Conferences 284 (2021): 03020. http://dx.doi.org/10.1051/e3sconf/202128403020.
Testo completoAbstract (sommario):
In this paper, our studies have shown that a total of 27 species of pests belonging to 7 classes of 2 genus occur and cause damage in replanted mung bean agrobiocenosis. The highest biological efficiency in the cultivation of alfalfa in Mung bean is Entolucho 20% - 0.3 l/ha, Bagira 20% -0.3 l/ha, Karache Duo 25% - 0.3 l/ha. When using chemicals in the amount of BI-58 (new) 40% - 1.0 l/ha, Imidogold 35% - 0.25 l, Lamdex SC 5% - 0.5 l/ha against bruxus, more than 85-90% biological efficiency was achieved in our research.
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Horgan, Crisol Martínez, Stuart, Bernal, de Cima Martín, Almazan e Ramal. "Effects of Vegetation Strips, Fertilizer Levels and Varietal Resistance on the Integrated Management of Arthropod Biodiversity in a Tropical Rice Ecosystem". Insects 10, n. 10 (1 ottobre 2019): 328. http://dx.doi.org/10.3390/insects10100328.
Testo completoAbstract (sommario):
Integrated biodiversity management aims to conserve the beneficial species components of production ecosystems and reduce the impacts of pests. In 2011 and 2013, experiments were conducted at Los Baños, Laguna, Philippines, to compare arthropod communities in rice plots and on levees with and without vegetation strips. Vegetation strips included spontaneous weeds, sesame and okra (2011), or mung bean (2013). The plots were treated with one of three nitrogen levels and in one experiment were planted with planthopper-resistant (IR62) and susceptible (IR64) rice varieties. Parasitoids and predators of lepidopteran pests and of the ricebug, Leptocorisa oratorius, were more abundant in high-nitrogen rice plots where their prey/hosts also had highest densities. Planthoppers and leafhoppers were more abundant in low-nitrogen plots. Weedy and sesame/okra bunds provided habitat for a range of natural enemies including spiders, parasitoids and predatory bugs, but did not have higher pest numbers than cleared bunds. Higher abundances of the predator Cythorhinus lividipennis and higher parasitism of planthopper (Nilaparvata lugens) eggs by Anagrus sp. were associated with sesame/okra bunds in late season rice plots. Mung bean also provided habitat for key predators and parasitoids that spilled over to adjacent rice; however, mung bean was also associated with higher numbers of lepidopteran and grain-sucking pests in the adjacent rice, albeit without increased damage to the rice. For ricebug in particular, damage was probably reduced by higher parasitoid:pest ratios adjacent to the vegetation strips. Varietal resistance and mung bean strips had an additive effect in reducing abundance of the planthopper Sogatella furcifera and the leafhopper Nephotettix virescens. Reduced numbers of these latter pests close to vegetation strips were often compensated for by other plant-sucking bugs, thereby increasing the intensity of potentially stabilizing interspecific interactions such as competition. We highlight the benefits of diversifying rice landscapes and the need to optimize vegetation strips, e.g., by including lepidopteran trap-plants, for intensive rice production systems.
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Hadi, Novian Swasono, Arta Farmawati e Ahmad Ghozali. "Pencegahan hipertensi dan penebalan dinding aorta dengan pemberian kecambah kacang hijau (Phaseolus radiatus (L)) pada tikus putih Sprague Dawley". Jurnal Gizi Klinik Indonesia 12, n. 3 (30 gennaio 2016): 116. http://dx.doi.org/10.22146/ijcn.22454.
Testo completoAbstract (sommario):
Background: Lifestyle changes with high-fat food consumption is one of the factors the risks of cardiovascular diseases like of coronary heart disease and atherosclerosis. A healthy diet and a balanced diet and consume foods that contain lots of antioxidants is one of the effective ways to prevent hyperlipidemia. Mung bean sprouts have properties that neutralize free radicals cause Hyperlipidemia and cardiovascular diseases because it is an antioxidant compound.Objective: The aim of this study was to determinate the effect of mung bean sprouts (Phaseolus radiatus (L)) to blood pressure and histopathology aorta of Sprague-Dawley male rats.Method: The type of study was experimental research using pre-post test controlled group design for blood pressure variable and post test only controlled group design histopathology aorta. The thirty-five of Sprague-Dawley male rats was eight weeks divided into 5 groups. The first group was given standard diet, group 2 was given a hight fat diet, the third group was given a high-fat diet and mung bean sprout 0,67 gram, group 4 was given a high-fat diet and mung bean 1,34 gram, and group 5 was given a high-fat diet and vitamin E doses of 23 IU.Results: Result of this study showed that after 4 weeks of treatment, increased in blood pressure systole in the given of high fat diet higher than group who were given a high fat diet and mung bean sprout and also on group who were given high fat diet and vitamin E, but there is no difference effect a decrease in blood pressure between the provision of mung bean sprouts and vitamin E (p>0,05). Statistical analysis to thick the wall the aorta show the similarity meaningful in all the treatment group, it can be said that overall thick the wall the aorta in this research is not different.Conclusion: A dose of mung bean sprout 0,67 g is optimal doses in preventing a rise in blood pressure and prevent alterations histopathology Sprague-Dawley male rats.
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Kapravelou, Garyfallia, Rosario Martínez, Gloria Perazzoli, Cristina Sánchez González, Juan Llopis, Samuel Cantarero, Marie Goua et al. "Germination Improves the Polyphenolic Profile and Functional Value of Mung Bean (Vigna radiata L.)". Antioxidants 9, n. 8 (13 agosto 2020): 746. http://dx.doi.org/10.3390/antiox9080746.
Testo completoAbstract (sommario):
The use of legumes as functional foods has gained increasing attention for the prevention and treatment of the so called non-communicable diseases that are highly prevalent worldwide. In this regard, biotechnological approaches for the enhancement of legumes’ nutritional and functional value have been extensively employed. In the present study, the process of germination increased several parameters of mung bean (Vigna radiata L.) functionality, including extract yield, total phenolic content and in vitro antioxidant capacity. In addition, 3-day-germinated mung bean proved to be an interesting source of dietary essential minerals and exhibited a greater variety of polyphenolic compounds compared to raw mung bean. These properties resulted in enhanced cytoprotective features of the 3-day mung bean extracts against radical oxygen species in human colorectal (HT29) and monocyte (U937) cell lines. Moreover, the antiproliferative effects were tested in different colon cancer cell lines, T84 and drug-resistant HCT-18, as well as in a non-tumor colon CCD-18 line. Altogether, our results demonstrate that the germination process improves the mung bean’s nutritional value and its potential as a functional food.
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MOHLE-BOETANI, J. C., J. FARRAR, P. BRADLEY, J. D. BARAK, M. MILLER, R. MANDRELL, P. MEAD et al. "Salmonella infections associated with mung bean sprouts: epidemiological and environmental investigations". Epidemiology and Infection 137, n. 3 (25 febbraio 2008): 357–66. http://dx.doi.org/10.1017/s0950268808000411.
Testo completoAbstract (sommario):
SUMMARYWe investigated an outbreak of Salmonella Enteritidis (SE) infections linked to raw mung bean sprouts in 2000 with two case-control studies and reviewed six similar outbreaks that occurred in 2000–2002. All outbreaks were due to unusual phage types (PT) of SE and occurred in the United States (PT 33, 1, and 913), Canada (PT 11b and 913), and The Netherlands (PT 4b). PT 33 was in the spent irrigation water and a drain from one sprout grower. None of the growers disinfected seeds at recommended concentrations. Only two growers tested spent irrigation water; neither discarded the implicated seed lots after receiving a report of Salmonella contamination. We found no difference in the growth of SE and Salmonella Newport on mung beans. Mung bean sprout growers should disinfect seeds, test spent irrigation water, and discontinue the use of implicated seed lots when pathogens are found. Laboratories should report confirmed positive Salmonella results from sprout growers to public health authorities.
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Cheng, Dai, Ruhua Wang, Chunling Wang e Lihua Hou. "Mung bean (Phaseolus radiatus L.) polyphenol extract attenuates aluminum-induced cardiotoxicity through an ROS-triggered Ca2+/JNK/NF-κB signaling pathway in rats". Food & Function 8, n. 2 (2017): 851–59. http://dx.doi.org/10.1039/c6fo01817c.
Testo completo
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Aluko, Rotimi E. "Determination of Nutritional and Bioactive Properties of Peptides in Enzymatic Pea, Chickpea, and Mung Bean Protein Hydrolysates". Journal of AOAC INTERNATIONAL 91, n. 4 (1 luglio 2008): 947–56. http://dx.doi.org/10.1093/jaoac/91.4.947.
Testo completoAbstract (sommario):
Abstract Within the primary structure of many pea and mung bean proteins are peptide sequences that can potentially be used in the formulation of therapeutic products for the treatment and prevention of human diseases. However, these peptide sequences need protease treatments before they can be released free of the parent proteins. Unlike chemical hydrolysis, enzymatic treatment enables more efficient tailoring of peptide products without formation of toxic by-products or destruction of amino acids. This review provides information on current methods that have been used to convert inactive pea and mung bean proteins into bioactive peptides. It focuses on 3 main bioactive properties, such as inhibitions of (1) angiotensin converting enzyme (ACE) activity; (2) calmodulin (CaM)-dependent enzymes; and (3) copper-chelating activity. ACE is an established marker for hypertension, high levels of some CaM-dependent enzymes are risk factors for various human diseases including cancer and Alzheimer's disease, and high vascular copper concentrations may potentiate atherosclerosis. Also reviewed are the production and evaluation of activity of hypoallergenic peptides that may offer protection against anaphylactic reactions. The 3 main proteins discussed are chickpea, mung bean, and field pea.
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Faizin, Minal, Nadrawati Nadrawati e Edhi Turmudi. "TINGKAT SERANGAN HAMA PENGGEREK POLONG, Maruca testulalis Geyer (Lepidoptera: Pyralidae)) PADA DELAPAN VARIETAS KACANG HIJAU (Vigna radiata L.) DAN PENGARUHNYA TERHADAP HASIL". Jurnal Ilmu-Ilmu Pertanian Indonesia 21, n. 1 (26 giugno 2019): 55–61. http://dx.doi.org/10.31186/jipi.21.1.55-61.
Testo completoAbstract (sommario):
[THE INCIDENCE OF POD-BORER, Maruca testulalis Geyer (Lepidoptera: Pyralidae) IN EIGHT MUNG BEAN VARIETIES (Vigna radiata L.) AND ITS EFFECT ON YIELD]. Mung beans are an essential food crop in Indonesia, whose production is still increasing to meet domestic needs. However, the high attack of plant pests Maruca testulalis Geyer (Lepidoptera: Pyralidae) is one of the leading causes of the low production of green beans. The use of superior varieties is one solution to controlling these pests. This study was conducted to test seven superior varieties of green beans, namely Vima 1, Vima 2, Vima 3, Murai, Kenari, Kutilang and Seriti and one local variety against M. testulalis. The study used a completely randomized block design and was repeated three times. The results showed that the mungbean varieties Vima 1, Vima 2, and Vima 3 had M. testulalis attack with the lowest level of seed damage in sequence, namely 5.84%, 7.94%, and 6.39%. Even though the percentage of pod borers attack did not significantly affect the growth of all Balitkabi superior varieties and one local variety of mungbean planted, the Kutilang variety was the highest yield with seed yield rates that were as low as other low-attack varieties.
Tesi sul tema "Mung bean Diseases and pests"
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Kasiamdari, Rina Sri. "Interactions between arbuscular mycorrhizal fungi and other root-infecting fungi". Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phk1887.pdf.
Testo completo
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Lawsawadsiri, Somporn. "Variation in resistance to Ascochyta blight in faba beans". Title page, contents and summary only, 1994. http://web4.library.adelaide.edu.au/theses/09PH/09phl425.pdf.
Testo completo
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Yakop, Uyek Malik. "Resistance of faba beans to Ascochyta blight". Title page, contents and summary only, 1998. http://web4.library.adelaide.edu.au/theses/09APSM/09apsmy15.pdf.
Testo completoAbstract (sommario):
Bibliography: leaves 111-120. This study investigated various aspects of genetic resistance in fava beans to Ascochta blight (A. fabae) with the objective to facilitate an efficient breeding strategy for long-term control. Pathogenic variability of A. fabae was found to be high, as was genetic variation between resistant fava bean accessions. A number of alternative resistance genes to that of Ascot cultivar were identified.
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Zhou, Ting. "Biological control of white mold of bean (Phaseolus vulgaris L.) by Epicoccum purpurascens Ehrenb. ex Schlecht". Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74616.
Testo completoAbstract (sommario):
After a wild-type isolate of Epicoccum purpurascens was exposed to shortwave ultraviolet light, several new strains were recovered which were improved in sporulation, fungicide tolerance, and performance in suppression of white mold caused by Sclerotinia sclerotiorum. The efficacy of E. purpurascens in controlling white mold of snap bean (Phaseolus vulgaris) was assessed in greenhouse and field trials. White mold was significantly reduced in both greenhouse and field trials when 2-4 sprays of E. purpurascens conidial suspensions (in 1% malt extract) were sprayed onto the plant surface during the flowering period. Germination of E. purpurascens conidia on senescent petals was greater than on younger flowers. Addition of malt extract to conidial suspensions improved germination on flowers and increased colonization of emerging flowers. Application of E. purpurascens did not accelerate senescence of bean leaves or affect pod yield of bean in greenhouse trials. Mycoparasitism of S. sclerotiorum by E. purpurascens was found only rarely in in vitro tests and was not observed on flower disks. Production of inhibitory compounds by E. purpurascens was the most important mechanism in suppression of white mold but competition for nutrients also appeared to play a role in biocontrol. The influence of nutrients on conidial germination, growth, sporulation and production of antifungal compounds by E. purpurascens were also investigated.
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Jimenez, Garcia Emilio. "ETIOLOGY, PATHOLOGY AND CHARACTERIZATION OF VIRUSES FROM BEANS GROWING IN THE SONORA DESERT OF MEXICO (COWPEA, CHLOROTIC MOTTLE)". Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187907.
Testo completoAbstract (sommario):
Survey of crops of common bean (Phaseolus vulgaris L.) in Sonora, Mexico revealed the presence of two isometric viruses and one flexuous rod virus on the basis of host reaction, particle morphology, serology and physico-chemical properties. The isometric viruses were identified as Bean Southern Mosaic Virus (BSMV) and Cowpea Chlorotic Mottle Virus (CCMV); the flexuous rod virus was identified as Bean Common Mosaic Virus (BCMV). Using bean cultivar differentials, two strains of the potyvirus BCMV were identified, NY-15 and a previously undescribed strain designated YV-1. Host range, serological tests, and RNA electrophoresis indicated that the Sonoran BSMV cultures are similar to BSMV-strain A. Serology and RNA-electrophoresis indicated that the Sonoran CCMV isolates are identical to CCMV-strain A. BSMV and CCMV were always isolated as a mixture from seed lots and from field collected bean tissue. BCMV occurred alone or in mixed infections with BSMV and CCMV. BCMV was seed transmitted with an average efficiency of 58 percent. The BSMV-CCMV mixture was transmitted with an efficiency of 6 percent. BSMV and CCMV were seed transmitted together, but separate transmission of BSMV or CCMV was not detected. Commercial seed lots from two major bean growing regions of Sonora (Hermosillo Coast, Sonora River) were contaminated with the BSMV-CCMV mixture but not with BCMV. The average contamination level was 13 percent. Two common weeds present in Sonoran agricultural areas were found to be potential alternate hosts of CCMV. Both Sisymbrium irio L. and Melilotus indica L. were infected systemically, although the infection in M. indica was latent. Potential losses due to Sonoran bean viruses were measured in greenhouse experiments with the cultivar Pinto 111. BCMV strains caused a 29.4 to 60.1% reduction, whereas BSMV-CCMV mixtures induced a 22.5 to 74.6% yield reduction. A synergism occurred between the BSMV-CCMV mixture and BCMV resulting in more severe symptoms and a yield reduction of 92.7%. Synergistic effects were also observed between BSMV and CCMV. Actual yield reduction resulted from impaired flower production and, consequently, reduced pod production. Significant effects on plant tissue production, flower fertilization and seed quality were not observed. Cowpea chlorotic mottle virus infected mung bean (Vigna radiata (L.) Wilczek) a previously unreported host. Infection of mung bean by BSMV was only possible when CCMV was present in the inoculum. Both BSMV and CCMV could be isolated from symptomatic plants infected with the BSMV-CCMV mixture, however, symptoms on mung bean were unchanged from infection by CCMV alone.
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Mazaheri, Lucy. "Development of a Molecular Marker to Track APA G40199 Introgression in Common Bean for Bruchid Resistance". Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/29300.
Testo completoAbstract (sommario):
In common bean (Phaseolus vulgaris), the main seed storage pests are the bruchid beetles. Damage done to the seed by the larvae has a large impact on seed quality and yield. Arcelin (ARC), phytohaemagglutinin (PHA), and α-amylase inhibitor (α-AI) are linked seed storage proteins that form the APA locus on chromosome Pv04 and are associated with resistance. A major breeding objective is to introduce bruchid resistance into common bean from a resistant tepary genotype, G40199, by introgressing the resistant APA locus into susceptible common bean backgrounds. Here we developed a molecular marker that tracks the introgression. A set of PCR primers to the α-amylase inhibitor locus amplified a DNA fragment that showed a 45 base pair insertion in the middle of a lectin Leg_b domain. This enhanced locus characterization and insertion/deletion marker may preclude the need for bruchid resistance screening early in the breeding.United States. Agency for International Development
United States. Global Hunger and Food Security Initiative (Cooperative Agreement No. EDH-A-00-07-00005-00)
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Godschalx, Adrienne Louise. "Symbiosis with Nitrogen-fixing Rhizobia Influences Plant Defense Strategy and Plant-predator Interactions". PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3644.
Testo completoAbstract (sommario):
As sessile organisms, plants evolved a plethora of defenses against their attackers. Given the role of plants as a primary food source for many organisms, plant defense has important implications for community ecology. Surprisingly, despite the potential to alter entire food webs and communities, the factors determining plant investment in defense are not well-understood, and are even less understood considering the numerous symbiotic interactions in the same plant. Legume-rhizobia symbioses engineer ecosystems by fixing nitrogen from the atmosphere in trade for plant photosynthates, yet connecting symbiotic resource exchange to food web interactions has yet to be established. Here I test how rhizobia influence plant defense and tritrophic interactions in lima bean (Fabaceae - Phaseolus lunatus L.): a model plant in chemical ecology research characterized by a broad range of different defenses. Examining suites of traits among lima bean genotypes, highly cyanogenic cultivars and wild type plants (high cyanotypes) produce more hook-shaped trichomes, as a putative combined approach of chemical and mechanical defenses, forming defense syndromes to protect against multiple feeding guilds (Chapter 2). Testing costs that may have contributed to forming tradeoffs among strategies, high cyanotypes show reduced fitness under plant-plant competition relative to low cyanotypes, but when challenged with herbivory, high cyanotypes fitness reductions are no longer evident (Chapter 3). Young leaves, not reproductive organs, are the most cyanogenic lima bean organ, and removal quantitatively decreases fitness, supporting assumptions that the most valuable tissues will be most highly defended (Chapter 4). Testing the degree to which nitrogen-fixing rhizobia contribute to cyanogenesis, high cyanotypes form more nodules than low cyanotypes. Quantitative relationships between nodule number and plant traits highlight the role symbiotic investment plays a role in plant defense and nutritive phenotype, while simultaneously, genotypically-determined levels of defense shape plant investment in symbiosis (Chapter 5). Interestingly, traits that trade off by cyanotype (i.e. high cyanogenesis but low indirect defense) reflect the patterns in plants with nitrogen-fixing rhizobia. Rhizobia-inoculated lima beans show reduced indirect defenses, recruiting fewer parasitoid wasps (Chapter 6) and predatory ants (Chapter 7). Examining plant-ant attraction in greater detail, ants prefer headspace regions above EFN droplets, corresponding with species-specific differences in suites of volatiles, indicating EFN, like floral nectar, can be scented to manipulate insect behavior (Chapter 8). Overall, understanding when investing in traits to recruit predators is more effective than investing in defensive chemistry, and how particular ecological contexts, such as symbioses can influence the outcome of defense allocation strategies remains a fascinating area of research. Determining the mechanisms underlying why rhizobia and other belowground microbial symbionts influence their host plants' above ground interactions, whether plants traits affected by symbiotic microbes are simply a function of the costs and benefits from resource exchange, or whether symbionts can influence the success of primarily direct versus indirectly defended plants is an important question for understanding complex trophic systems and connecting to agricultural implications for more effective biological pest control.
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Bressan, Dayanne Fabrício. "Uso dos eliciadores acibenzolar-s-metílico e harpina na indução de resistência em plantas de feijoeiro comum ao crestamento bacteriano". Universidade Tecnológica Federal do Paraná, 2011. http://repositorio.utfpr.edu.br/jspui/handle/1/232.
Testo completoAbstract (sommario):
CAPESO crestamento bacteriano comum, causado por Xanthomonas axonopodis pv. phaseoli, é uma das principais doenças da cultura do feijoeiro. Em busca por alternativas no controle de doenças em plantas, o uso de eliciadores/indutores de resistência tem sido explorado. Desta forma, o objetivo deste trabalho foi verificar a eficiência dos eliciadores harpina e acibenzolar-S-metílico na indução de mecanismos de defesa em plantas de feijoeiro (Phaseolus vulgaris L.) ao crestamento bacteriano comum, causado por X. axonopodis pv. phaseoli, avaliandose possíveis alterações no processo de trocas gasosas e ativação das principais enzimas envolvidas na defesa vegetal - peroxidase, superóxido dismutase, além de proteínas e fenóis. Foram utilizadas sementes dos cultivares IAPAR 31 e IPR Colibri. Depois de emergidas as primeiras folhas trifoliadas na fase vegetativa (V3) as plantas, foram tratadas com os eliciadores acibenzolar-S-metílico, harpina e água destilada (controle). Sete dias após a primeira aplicação dos eliciadores, foi inoculado o patógeno nas folhas do feijoeiro. A avaliação da severidade foi realizada a cada 10 dias sendo a primeira avaliação realizada 15 dias após a inoculação do patógeno. As leituras de fotossíntese foram realizadas 40 dias após a inoculação quando os sintomas e danos da doença demonstravam-se estabelecidos. Para a realização das análises bioquímicas, amostras de tecidos foliares de cada tratamento foram coletadas 24 horas antes, 24, 48 e 72 horas após a aplicação dos eliciadores. Também, foram determinados o rendimento e seus componentes em ambas as cultivares.A aplicação de ASM e harpina proporcionou redução na severidade da doença do crestamento bacteriano comum nas plantas de feijoeiro da cultivar IPR-Colibri e a mesma tendência foi observada para a cultivar IAPAR 31 tratada com ASM. As plantas da cultivar IAPAR 31 tratadas com o eliciador ASM, apresentaram maiores taxas de assimilação de CO2 quando comparadas ao controle e a mesma tendência foi observada para a cultivar IPR-Colibri. A aplicação do ASM promoveu o aumento da atividade da enzima antioxidativa peroxidase e a indução da síntese de compostos fenólicos e especialmente na cultivar suscetível IPRColibri. Para o rendimento de grãos e seus componentes, não foram observadas diferenças significativas entre o controle e os eliciadores ASM e harpina. Os eliciadores ASM e harpina induziram os mecanismos de resistência em feijoeiro contra X. axonopodis pv. phaseoli, indicando a potencialidade do uso dos eliciadores na cultura do feijoeiro.
The common bacterial blight, caused by Xanthomonas axonopodis pv. phaseoli is one of the major diseases of the bean crops. In search for alternatives to control the plant diseases, the use of the elicitors / inductors of resistance has been explored. Thus, the objective of this work was to verify the effectiveness of the elicitors harpina and acibenzolar-S-methyl in the induction of the defense mechanisms in bean plants (Phaseolus vulgaris L.) against common bacterial blight caused by X. axonopodis pv. phaseoli, evaluating the possible changes in the process of gas exchange and the activation of the key enzymes involved in the plant defense - peroxidase, superoxide dismutase, besides proteins and phenols. It was used seeds from IAPAR 31 and IPR Colibri cultivars. After emerged the first trifoliate leaves in the vegetative stage (V3) the plants were treated with the elicitors Acibenzolar-S-methyl and harpina, and distilled water (control). Seven days after the first application of the elicitors, the pathogen was inoculated on the leaves of bean plants. The severity assessment was performed every 10 days and the first evaluation 15 days after the pathogen inoculation. The measurement photosynthesis were performed 40 days after the inoculation when the symptoms and the damages of the disease showed themselves established. To carry out the biochemical analysis, samples of leaf tissue from each treatment were collected 24 hours before, 24, 48 and 72 hours after the application of the elicitors. Also, it was determined the yield and its components in both cultivars. The application of ASM and harpina provided the reduction in the severity of the common bacterial blight disease of the bean plants of IPR-Colibri cultivars and the same trend was observed for the IAPAR 31 cultivars treated with the elicitor ASM. Plants by IAPAR 31 treated with the elicitor ASM showed higher rates of assimilation of CO2 when compared to the control and the same trend was observed for cultivar IPR-Colibri. The application of ASM promoted the increase of the antioxidative enzyme peroxidase activity, and the induction of the phenolic compounds synthesis and, especially in the susceptible cultivar IPR-Colibri. For grain yield and its components, significant differences were not observed between the control and the elicitors ASM and harpina. The elicitors ASM and harpina induced the resistance mechanisms in bean plant against X. axonopodis pv. phaseoli, indicating the potentiality of the elicitor utilization in bean crops.
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Lagos, Frank Silvano. "Uso do leite de vaca no controle do oídio em feijão-de-vagem". Universidade Tecnológica Federal do Paraná, 2009. http://repositorio.utfpr.edu.br/jspui/handle/1/239.
Testo completoAbstract (sommario):
A crescente procura por alimentos mais saudáveis demanda um aumento na produção isenta de agrotóxicos. O feijão-de-vagem é uma das principais olerícolas cultivadas no Brasil. Dentre as principais doenças que afetam essa cultura está o oídio, podendo ocasionar perdas de produção em até 69%, sendo de ocorrência comum em cultivos protegidos especialmente em períodos tardios. O uso do leite tem demonstrado boas perspectivas no controle desta doença em diversas culturas. Foram desenvolvidos na Universidade Tecnológica Federal do Paraná – Campus de Pato Branco – PR, nos anos de 2007 e 2008, trabalhos com o objetivo de avaliar o efeito do leite de vaca in natura e seus possíveis mecanismos de ação sobre o controle de oídio em feijão-de-vagem sob ambiente protegido. Conduziu-se experimento com aplicação de leite de vaca in natura nas concentrações de 0%, 5%, 10%, 15% e 20% em freqüência semanal e quinzenal, com e sem espalhante adesivo. Foi avaliada a severidade da doença e a produtividade. O delineamento foi em blocos ao acaso, com 4 repetições. Em outro experimento avaliou-se o efeito dos componentes químicos do leite, com aplicações foliares de Nitrato de Potássio (0,79 g L-1), Cloreto de Amônio (0,82 g L-1), Nitrato de Cálcio (0,96 g L-1), Fosfato de Amônio Monobásico (0,51 g L-1), Carbonato de Sódio (0,23 g L-1), mistura destes componentes, leite (200 ml L-1) e água. O delineamento foi inteiramente casualizado com 3 repetições. No terceiro experimento avaliou-se a atividade metabólica em tecidos foliares de feijão-de-vagem tratado com aplicações semanais de leite de vaca in natura nas concentrações do primeiro experimento. O cultivo foi em vasos, em casa de vegetação com ambiente controlado. O delineamento foi inteiramente casualizado com 4 repetições. Para realização das análises bioquímicas (proteínas, açúcares totais e redutores, peroxidases e FAL) foram coletados discos foliares de 0,2 g de cada unidade experimental, 24, 48 e 72 horas após a aplicação do leite de vaca in natura. O leite aplicado em freqüência semanal promoveu controle do oídio de 37,94 a 79,96%. Em freqüência quinzenal o controle variou de 22,32 a 28,59%, sendo mais efetivo no início da infestação. Sua aplicação não requer uso de espalhante adesivo. As concentrações mais viáveis foram entre 10 e 15%. Aplicação dos diferentes componentes químicos de forma combinada controlou a doença de forma semelhante à aplicação do leite de vaca in natura. Aplicações de concentrações crescentes de leite de vaca in natura interferiu nos parâmetros bioquímicos foliares de proteínas, açúcares totais e redutores, atividade de peroxidase e FAL, demonstrando ser um elicitor capaz de induzir a uma resposta de resistência, alterando a atividade de enzimas relacionadas com a defesa do feijão-de-vagem.The rising search for healthier food demands a rising in the production without fertilizers. The bean pod is one of the main plants from the vegetable gardens grown in Brazil. Among the main diseases which affect this culture is the powdery mildew which can cause losses in the production up to 69%, being a common occurrence in protected cultures especially in late periods. The usage of milk has shown good perspectives in this disease control in different cultures. Works with the aim of evaluate the effect of in natura milk and its possible mechanisms of action in the powdery mildew control in bean pods under a protected environment were developed during 2007 and 2008. In the Federal Technological University of Paraná – campus in Pato Branco- PR. The experience was conducted with the application of in natura milk in the concentrations of 0%, 5%, 10%, 15% and 20% every week or every fifteen days with or without the adhesive spreader. The severity of this disease was evaluated as well as the productivity. The design was in blocks at random, with four repetitions. In other experiment it was evaluated the milk chemical components effect with application leaf of Potassium Nitrate (0.79 g L-1), Ammonium Chloride (0.82 g L-1), Calcium Nitrate (0.96 g L-1), Ammonium Phosphate Monobasic (0.51 g L-1), Sodium Carbonate (0.23 g L-1), mixture of these components, milk (200 ml L-1) and water. The design was entirely developed with three repetitions. In the third experiment the metabolic activity was evaluated in the follicular tissue in bean pods treated with weekly applications of cow milk in natura in the concentrations of the first experiment. The cultivation was in vases in a vegetation house with controlled environment. The design was entirely developed with four repetitions. In order to make the biochemical analysis (proteins, total sugar and reductors, peroxidasis e PAL) Follicular disks of 0.2g were collected from each experimental unity, 24, 48 e 72 hours after the application of cow milk in natura. The milk applied weekly promoted the powdery mildew control of 37.94 to 79.96%. Being used every fifteen days the control varied from 22.32 to 28.59%, being more effective in the beginning of the infestation. Its application does not require the usage of adhesive spreader. The most variable concentrations were between 10 e 15%. The application of different chemical components in a combined form controlled the disease in a similar way to the application of cow Milk in natura. The applications of rising concentrations of cow milk in natura interfered in the follicular biochemical patterns of proteins, total sugar and reductors, activity of peroxidasis and PAL demonstrating to be an elicitor which is able to induct to an answer of resistance, alternating the enzymatic activity related to the bean pod defense.
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Trembley, Marcella L. "The effect of mechanical weed cultivation on crop yield and quality, disease incidence and phenology in snap bean, carrot and lettuce crops". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0003/MQ29801.pdf.
Testo completoLibri sul tema "Mung bean Diseases and pests"
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Mungbean, Meeting 90 (1990 Chiang Mai Thailand). Proceedings of the Mungbean Meeting 90, held in Chiang Mai, Thailand, February 23-24, 1990. Bangkok, Thailand: Tropical Agriculture Research Center, c/o Soil Science Division, Dept. of Agriculture, 1991.
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Forster, Robert L. Bean common mosaic virus. [Moscow, Idaho]: University of Idaho Cooperative Extension Service, 1991.
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Davidson, Roy M. Sclerotinia disease (white mold) of bean. Pullman, Wash: Cooperative Extension, Washington State University, 1994.
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Schwartz, Howard F. Dry bean production & pest management. A cura di Central High Plains Dry Bean and Beet Group e Colorado State University. Cooperative Extension Service. 2a ed. Fort Collins, Colo: Cooperative Extension Resource Center, Colorado State University, 2004.
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Chaudhary, R. R. P. Bioecology of lepidopterous insects on winged bean, Psophocarpus tetragonolobus (Linnaeus) DeCandoele. New Delhi: Entomological Society of India, 1986.
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Msuku, W. A. B. Major diseases and insect pests of beans (Phaseolus Vulgaris) in Malawi: Problems and their control : study guide. Lilongwe: University of Malawi, Bunda College of Agriculture, 2000.
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Diekmann, Marlene. Seed-borne pests and diseases of faba beans (Vicia faba). Aleppo, Syria: International Center for Agricultural Research in the Dry Areas, 1994.
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Allen, D. J. Pests, diseases and nutritional disorders of the common bean in Africa: A field guide. Cali: International Center for Tropical Agriculture, 1996.
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Asian Vegetable Research and Development Center., a cura di. Diseases and insect pests of mungbean and black gram: A bibliography. Shanhua, Taiwan, R.O.C: Asian Vegetable Research and Development Center, 1988.
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Robert, Hall, a cura di. Compendium of bean diseases. St. Paul, Minn: APS Press, American Phytopathological Society, 1991.
Cerca il testo completoCapitoli di libri sul tema "Mung bean Diseases and pests"
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Katoch, Rajan. "Common Diseases and Insect–Pests of Rice Bean". In Ricebean, 347–53. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5293-9_18.
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"Diseases of Urd/Mung Bean Crops and Their Management". In Crop Diseases and Their Management, 73–94. Apple Academic Press, 2016. http://dx.doi.org/10.1201/b19891-10.
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Sahni, Sangita, Bishun Prasad e Sunita Kumari. "Diseases of Urd/Mung Bean Crops and Their Management". In Crop Diseases and Their Management, 57–78. Apple Academic Press, 2016. http://dx.doi.org/10.1201/b19891-6.
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Bahadur, Amar. "Nematodes Diseases of Fruits and Vegetables Crops in India". In Nematodes - Recent Advances, Management and New Perspectives [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98850.
Testo completoAbstract (sommario):
Nematodes are the most plentiful animals on earth, commonly found in soil or water, including oceans. Some species of nematodes are parasites of plants and animals. Plant-parasitic nematodes are non-segmented microscopic, eel-like round worms, obligate parasite possess stylets that live in soil causing damage to plants by feeding on roots or plant tissues. Plant-parasitic nematodes feed on roots, either within the root, some nematodes feed leaves. These nematodes cause breakdown of resistance to fungal diseases in fruit crops. Plant-parasitic nematodes living host tissue to feed on to grow and reproduce. Nematode life cycle consists of an egg, 4 pre-adult stages (juveniles) and an adult, life cycle depending on the species and the temperature. Nematodes do not move long distances (less than 6 inches per year). They are usually transported over long distances on machinery, in nursery stock, transplants, seeds, or by animals, moves soil, water and wind. They acquire nutrients from plant tissues by needle-like feeding structure (stylet/spear). Nematodes can be classified into three groups depending on feed on the plants such as ectoparasitic nematodes are always remaining outside the plant root tissues. Migratory endoparasitic nematodes move through root tissues sedentary endoparasitic nematodes penetrate young roots at or near the growing tip. They steal nutrients, disrupt water and mineral transport, and provide excellent sites for secondary pathogens (fungus and bactria) to invade the roots and decay. Several nematode species that cause problems in fruit orchards that are major limiting factors in fruit crop production cause extensive root necrosis resulting in serious economic losses. The root-knot nematode (Meloidogyne spp.), burrowing nematode (Radopholus similis) and citrus nematode (Tylenchulus semipentrans) are the major nematode pests that infect fruit crops. Parasitic nematodes that can damage tree fruit roots. Many kinds of nematodes have been reported in and around the roots of various fruit crops, only few are cause serious damage, including Root-knot nematodes (Meloidogyne spp.), Lesion nematodes (Pratylenchus species), Ring nematodes (Mesocriconema spp) are cigar-shaped that are strictly ectoparasitic, Dagger nematodes (Xiphinema spp) are relatively large ectoparasites that feed near root tips, Sting nematodes (Belonolaimus species) are ectoparasitic, Citrus nematodes (Tylenchulus semipenetrans) are sedentary semi-endoparasites. Nematodes reduce yield without the production of any noticeable above ground symptoms. Typical above ground symptoms of nematode infections stunting, yellowing and wilting. Major nematodes associated in large number of vegetables crops in India such as root-knot nematodes (Meloidogyne spp.), cyst nematodes (Heterodera spp.), lesion nematodes (Pratylenchus sp.), reniform nematodes (Rotylenchulus sp.) lance nematodes (Hoplolaimus spp.), stem and bulb nematode (Ditylenchus spp.) etc. Root-knot nematodes are important pests of vegetables belonging to solanaceous (brinjal, tomato, chili), cucurbitaceous (biter ground, cucumber, pumpkin, bottle gourd) leguminous (cowpea, bean, pea), cruciferous cauliflower, cabbage, broccoli, brussels, sprout), okra and several other root and bulb crops (onion, garlic, lettuce, celery, carrot, radish). Four species (M. incognita, M. javanica, M. arenaria and M. hapla) are more than 95% of the root-knot nematode population worldwide distribution. Stem and Bulb nematode (Ditylenchus spp.) commonly attacks onion, garlic, potato, pea and carrot etc. The nematodes spread from one area to another mainly through infested planting materials, water drains from infested areas into irrigation system, soil that adheres to implements, tyres of motor vehicles and shoes of plantation workers. Management recommendation through bio-pesticides, cultural practices, enrichment of FYM, Neem cake and other organic amendments.