Статті в журналах з теми "Winter reddening"
Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Winter reddening.
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся з топ-23 статей у журналах для дослідження на тему "Winter reddening".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Переглядайте статті в журналах для різних дисциплін та оформлюйте правильно вашу бібліографію.
1
Hughes, Nicole M. "Winter leaf reddening in ‘evergreen’ species." New Phytologist 190, no. 3 (March 4, 2011): 573–81. http://dx.doi.org/10.1111/j.1469-8137.2011.03662.x.
2
Hughes, Nicole M., Kaylyn L. Carpenter, and Jonathan G. Cannon. "Estimating contribution of anthocyanin pigments to osmotic adjustment during winter leaf reddening." Journal of Plant Physiology 170, no. 2 (January 2013): 230–33. http://dx.doi.org/10.1016/j.jplph.2012.09.006.
3
Seredin, T. M., A. F. Agafonov, E. V. Baranova, V. V. Shumilina, R. I. Omarov, and A. V. Soldatenko. "New grades of onions cultures by selection of federal scientific center of vegetable growing." Tovaroved prodovolstvennykh tovarov (Commodity specialist of food products), no. 9 (September 1, 2020): 22–25. http://dx.doi.org/10.33920/igt-01-2009-03.
Анотація:
Work on studying and creation of new grades of onions cultures was carried out in the Moscow region, the Odintsovo district, FGBNU «Federal scientific center of vegetable growing». As a result of long-term researches, and in particular, for the last five years in laboratory of selection and seed farming of onions cultures more than ten grades were created. From them one grade of garlic winter Lyudmila, one grade of the onion reddening the Charodey, one grade of shallot onion the Dachnaya sonata. Of onions the reddening Charodey was entered in the State register of selection achievements of the Russian Federation in 2018, garlic winter Lyudmila in 2019. In selection work with garlic winter and and shallot onion used a method of clonal selection. In collection nursery of garlic winter 200 exemplars of various eko-geographical origin were used. In 2016 the perspective exemplar of garlic winter at No. 78 which was registered further as a grade Lyudmila was allocated, its bulbs can be used for receiving powder and paste. The collection nursery of an shallot onion for years of researches was presented by 45 high-quality exemplars of various eko-geographical origin. Also in 2018 the perspective exemplar of an shallot onion at No. 39 was allocated and transferred to the State commission on grades the same year under the name the Dachnaya sonata. Now a shallot onion grade the Dachnaya sonata passes test in State commission on grades. It should be noted that in collection nursery of laboratory of selection and seed farming of onions cultures exemplars were allocated: garlic winter, onions many-tier, garlic onions (rockamball), Welsh onion on the main economic and valuable signs: high winter hardiness, high food qualities, resistance to diseases and wreckers, good ability of bulbs to be stored up to ten months (garlic winter, garlic onions). Now further selection work on creation of new grades and maintaining of the grades created earlier is conducted.
4
Carpenter, Kaylyn, Timothy Keidel, Melissa Pihl, and Nicole Hughes. "Support for a Photoprotective Function of Winter Leaf Reddening in Nitrogen-Deficient Individuals of Lonicera japonica." Molecules 19, no. 11 (November 3, 2014): 17810–28. http://dx.doi.org/10.3390/molecules191117810.
5
Zou, Jiaqi, Zhichao Gong, Zhiyong Liu, Jie Ren, and Hui Feng. "Investigation of the Key Genes Associated with Anthocyanin Accumulation during Inner Leaf Reddening in Ornamental Kale (Brassica oleracea L. var. acephala)." International Journal of Molecular Sciences 24, no. 3 (February 2, 2023): 2837. http://dx.doi.org/10.3390/ijms24032837.
Анотація:
Ornamental kale (Brassica oleracea L. var. acephala) is a popular decorative plant in late autumn and winter. However, only during low-temperature color-changed periods below rough 15 °C can the plant accumulate anthocyanins and exhibit a diverse array of foliar color patterns. In this study, we probed into the potential mechanism of inner leaf reddening in a red-leaf pure line of ornamental kale by physiological, metabolic, and transcriptomic analyses. Determination of anthocyanin contents in the uncolored new white leaves (S0), the light red leaves (S1) in the reddening period and the red leaves (S2) completing color change, and analysis of anthocyanin metabolites at stage S2, revealed that the coloring of red leaves was mainly attributed to the accumulation of cyanidins. We further used transcriptomic sequencing between the pairwise S0, S1, and S2 stages to identify 21 differentially expressed genes (DEGs) involved in anthocyanin biosynthesis, among which the expression level of 14 DEGs was positively correlated with anthocyanin accumulation, and 6 DEGs were negatively correlated with anthocyanin accumulation. A total of 89 co-expressed genes were screened out, from which three DEGs (BoCHI, Bo4CL3, and BoF3H) were identified as hub genes in co-expression DEGs network. BoDFR and BoCHI were the DEGs with the highest expressions at S2. Moreover, two co-expressed DEGs related to stress response (BoBBX17 and BoCOR47) also exhibited upregulated expressions and positive correlations with anthocyanin accumulation. A deep dive into the underlying regulatory network of anthocyanin accumulation comprising these six upregulated DEGs from S0 to S2 was performed via trend, correlation, and differentially co-expression analysis. This study uncovered the DEGs expression profiles associated with anthocyanin accumulation during ornamental kale inner leaf reddening, which provided a basis for further dissecting the molecular mechanisms of leaf color characteristic change in ornamental kale at low temperatures.
6
Nikiforou, Constantinos, Konstantina Zeliou, Velissarios-Phaedon Kytridis, Alexandra Kyzeridou, and Yiannis Manetas. "Are red leaf phenotypes more or less fit? The case of winter leaf reddening in Cistus creticus." Environmental and Experimental Botany 67, no. 3 (January 2010): 509–14. http://dx.doi.org/10.1016/j.envexpbot.2009.09.005.
7
Bella, I. E., and S. Navratil. "Growth losses from winter drying (red belt damage) in lodgepole pine stands on the east slopes of the Rockies in Alberta." Canadian Journal of Forest Research 17, no. 10 (October 1, 1987): 1289–92. http://dx.doi.org/10.1139/x87-199.
Анотація:
Red belt damage (reddening and death of foliage) occurs frequently in lodgepole pine Pinuscontorta var. latifolia Engelm. stands between certain elevations and may affect tree growth and even cause mortality. We examined growth impact in four pine stands (10, 55, 90, and 115 years old) where nearly all trees showed symptoms of damage. On young trees, visible damage ranged from 0 to 80% of foliage, and averaged about 35%. A highly significant reduction in height growth and terminal bud length (p < 0.01) of young trees was proportional to the amount of damage. As much as two-thirds growth loss occurred in trees with 60% or more necrotized foliage. On intermediate and mature lodgepole pine, reduction of annual volume increment in the growing season following damage was variable and reached as high as 50%, with no further significant reduction occurring in subsequent years. Potential yield losses at rotation age and forest management prescriptions for susceptible stands are presented.
8
Guo, Xiaohong, Qianting Liu, Jiaming Du, Yidan Guo, Xiaoyu Hu, Jiangtao Yu, Junqing Bai, Xingang Li, and Liping Kou. "X-rays irradiation affects flavonoid synthesis and delays reddening of winter jujube (Zizyphus jujuba Mill. cv. Dalidongzao) during cold storage." Postharvest Biology and Technology 193 (November 2022): 112048. http://dx.doi.org/10.1016/j.postharvbio.2022.112048.
9
Zeliou, K., Y. Manetas, and Y. Petropoulou. "Transient winter leaf reddening in Cistus creticus characterizes weak (stress-sensitive) individuals, yet anthocyanins cannot alleviate the adverse effects on photosynthesis." Journal of Experimental Botany 60, no. 11 (May 6, 2009): 3031–42. http://dx.doi.org/10.1093/jxb/erp131.
10
Jayangondaperumal, R., M. K. Murari, P. Sivasubramanian, N. Chandrasekar, and A. K. Singhvi. "Luminescence dating of fluvial and coastal red sediments in the SE Coast, India, and implications for paleoenvironmental changes and dune reddening." Quaternary Research 77, no. 3 (May 2012): 468–81. http://dx.doi.org/10.1016/j.yqres.2012.01.010.
Анотація:
The Holocene and late Pleistocene environmental history of the teri ('sandy waste' in local parlance) red sands in the southeast coastal Tamil Nadu was examined using remote sensing, stratigraphy, and optically stimulated luminescence (OSL) dating. Geomorphological surveys enabled the classification of the teri red sands as, 1) inland fluvial teri, 2) coastal teri and 3) near-coastal teri dunes. The inland teri sediments have higher clay and silty-sand component than the coastal and near-coastal teri, suggesting that these sediments were deposited by the fluvial process during a stronger winter monsoon around ≫ 15 ka. The coastal teri dunes were deposited prior to 11.4 ± 0.9 ka, and the near-coastal dunes aggraded at around 5.6 ± 0.4 ka. We; interpret that the coastal dunes were formed during a period of lower relative sea level and the near-coastal dunes formed during a period of higher sea level. Dune reddening is post deposition occurred after 11.4 ± 0.9 ka for the coastal teri dunes and after 5.6 ± 0.4 ka for the near-coastal teri dunes. Presence of microlithic sites associated with the coastal dunes suggest that the cultures existed in the region during 11.4 ± 0.9 ka and 5.6 ± 0.4 ka.
11
Noguera, Patricia, Campbell Pert, Catherine Collins, Nichola Still, and David Bruno. "Quantification and distribution ofAnisakis simplexsensu stricto in wild, one sea winter Atlantic salmon,Salmo salar, returning to Scottish rivers." Journal of the Marine Biological Association of the United Kingdom 95, no. 2 (October 7, 2014): 391–99. http://dx.doi.org/10.1017/s0025315414001374.
Анотація:
Red vent syndrome (RVS) has previously been reported in returning wild Atlantic salmon,Salmo salarfrom Canada, Iceland, Ireland, Norway and the UK. Affected fish show reddening and swelling in the perianal/vent area, with scale loss, ulceration and bleeding in severe cases. Studies in the UK and elsewhere report the condition to be induced byAnisakis simplexsensu stricto (s.s.) larvae. This parasite, commonly reported in several marine fish species, is typically found in the body cavity and the skeletal muscle, but has recently been reported within the vent tissues of salmon. This latter finding may reflect greater efforts in examining this body portion due to current awareness of the parasite presence in this atypical location. Based on clinical observations, affected fish are classified into three categories according to the severity of the external lesions, but quantification of the vent parasite numbers in relation to the categories, and assessment of the relative importance of this area as a site of infestation, are missing to date. This investigation aimed to provide data on parasite number and distribution in the viscera, skeletal muscle, peduncle and vent area and to confirm the identity of the larvae found in the vent and the viscera. The study showed the perianal/vent region harbours the highest total number ofA. simplexlarvae per fish and, proportionally to fish biomass, is the most heavily infested body location irrespective of external severity levels of RVS.
12
Wisler, G. C., J. E. Duffus, and J. S. Gerik. "First Report of Lettuce Chlorosis Virus Naturally Infecting Sugar Beets in California." Plant Disease 81, no. 5 (May 1997): 550. http://dx.doi.org/10.1094/pdis.1997.81.5.550d.
Анотація:
Sugar beet (Beta vulgaris) plants showing interveinal yellowing and thickened leaves were collected from two fields in Imperial County, CA, for disease assessment in January 1996. Yellowing symptoms were widespread in these fields during the winter of 1995 to 1996. Initial enzyme-linked immunosorbent assays (ELISA) with polyclonal antiserum (ATCC) for beet western yellows virus were consistently negative. Inoculations with Bemisia tabaci “B” biotype (B. argentifolii) whiteflies onto the indicator plants Chenopodium capitatum, C. murale, lettuce (Lactuca sativa), and sugar beet resulted in interveinal yellowing, reddening, and thickened leaves characteristic of whitefly-transmitted closteroviruses (1). Western blot (immunoblot) analyses were performed with antisera to the purified virions of lettuce chlorosis virus (LCV) and lettuce infectious yellows virus (LIYV). Tissue extracts from original beet plants representing two fields and from all subsequent whitefly-inoculated indicator plants consistently showed a single band at ca. 32 kDa, reported to be the molecular mass for LCV capsid protein. Corresponding Western blot analyses for LIYV with the same tissue extracts were negative. No reactions were observed in Western blot assays with tissue extracts from healthy plants. Although sugar beet is a host for LCV as shown by laboratory experiments (1), this is the first report of a natural infection of LCV in sugar beet. Reference: (1) J. E. Duffus et al. Eur. J. Plant Pathol. 102:591, 1996.
13
Lomský, B., and V. Šrámek. "Different types of damage in mountain forest stands of the Czech Republic." Journal of Forest Science 50, No. 11 (January 11, 2012): 533–37. http://dx.doi.org/10.17221/4652-jfs.
Анотація:
Forests in the Czech Republic are highly influenced by the antropogenous factors – those are particularly air pollution, pollutant deposition, soil degradation, change of the natural forest ecosystems, and also global climate changes. Significant damages due to air pollution are visible already 50 years (the Ore Mts. region). Since 1989 the sulphur emission has decreased significantly. By the end of 90ies SO<sub>2</sub> emission was reduced in nearly 90%. In the 1990–1995 period, the change of air pollution situation in mountain regions resulted into the spruce stands condition improvement, and good progress of transitory stands (birch, blue spruce, mountain pine, alder etc.). Following development was not that ideal, however. Since 1995, various symptoms of damage have been observed, caused by the complex of factors. During the winter 1995/1996, within the whole region of the Czech Republic, reddening of the last needle year class of spruce was observed in the altitude over 700 m. These symptoms were the most visible in the eastern part of the Ore Mts., where 3–4 needle year classes were affected, or even tree decay observed. An acute damage was caused by direct impact of the high SO<sub>2</sub> concentrations. The average defoliation was over 60% in stands assessed. About 12,578 ha of spruce stands were damaged, 1,300 ha of them has completely died. The rest have regenerated successfully in following period. After following winter, in spring 1997, the damage of transitory birch stands was observed in all the northern mountain regions. In the Ore Mts. ridge birch did not flush at all, the leaf lost was observed in a vast area with variable intensity in altitudes over 800 m above sea level during the springtime. In total 3,400 ha of birch stands was damaged, in 1998 it was nearly 5,428 ha. Birch completely died at about 2,550 ha, in following period the damage development stagnated. Similar damage of smaller extent has been observed also in other parts of the country, in higher elevations, situated above the inversion layer during the spring months. After winter 1999, vast damage of the spruce stands, manifested in yellowing of older needle year classes, and gradual needle drying and fall, affecting the stand of all age categories, was observed in the western part of the Ore Mts. but also in other regions. Yellowing was observed on 2,000 ha in 1999, next year it was 6,500 ha, and in 2001 about 9,000 ha was damaged within the Ore Mts. A new type of damage has been observed in the Orlické hory Mts. ridge caused again by the stressing factors complex after the winter 2001/2002. Nitrogen deposition seems to be one of major problem. The damage presented shows that in spite of significant lowering of air pollution load the forest stands health state in air polluted regions is not stabilized.
14
Morales, R. Z., and J. Monis. "First Detection of Grapevine leafroll associated virus-7 in California Vineyards." Plant Disease 91, no. 4 (April 2007): 465. http://dx.doi.org/10.1094/pdis-91-4-0465b.
Анотація:
Grapevine leafroll is one of the most important viral diseases in grapevine and occurs wherever grapevines are grown. At least nine different Grapevine leafroll associated viruses (GLRaVs) belonging to different genera within the Closteroviridae family have been reported. Typical leafroll symptoms include downward rolling and interveinal reddening or yellowing of leaves, reduced fruit size, sugar content, and yield. Our laboratory has detected the presence of GLRaV-7 in many grapevine cuttings collected in California vineyards. During the 2005-2006 fall/winter testing season, symptomatic and asymptomatic grapevine varieties collected from different vineyards in California were tested for the detection of economically important viruses and processed for reverse transcription (RT)-PCR and ELISA. The RT-PCR assays using primers specifically designed for the detection of GLRaV-7 (C. Turturo et al., 13th ICVG [Abstr.], 2000) amplified a single band of approximately 200 bp in samples from selections of Chardonnay, Merlot, Pinot Noir, and Sauvignon Blanc cultivars. The same samples showed low or no reactivity to GLRaV-7 specific antibodies (BIOREBA AG, Reinach, Switzerland). The variability of detection by ELISA can be due to the lower sensitivity of ELISA as compared with RT-PCR and the uneven distribution of GLRaVs in grapevines (1). To confirm that the amplified DNA was GLRaV-7 specific, different isolates were sequenced and compared with the nucleotide and derived amino acid sequences obtained by Turturo et al. (13th ICVG [Abstr.], 2000). The California isolates showed 81 to 98% similarity with the Italian isolates. To our knowledge, this is the first report of GLRaV-7 in California and the United States. Our initial testing data indicates that GLRaV-7 is wide spread in California vineyards. Further studies will allow us to determine the potential effect of this virus in grapevines grown in California. Reference: (1) J. Monis, and R. K. Bestwick. Am. J. Enol. Vitic. 47:199, 1996.
15
Peredera, O. O., I. V. Lavrinenko, R. V. Peredera, I. A. Zhernosik, and G. M. Pogorelova. "Epizootological features and clinical manifestation of cat chlamydiosis in Poltava." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 23, no. 102 (June 19, 2021): 99–104. http://dx.doi.org/10.32718/nvlvet10215.
Анотація:
The article presents epizootological data and clinical signs of feline chlamydia in Poltava. According to the results of studies in 2018–2020, a wide spread of chlamydia infection among cats in the city of Poltava was established. The largest number of the studied cats, were pedigree or crossbred. There was no explicit clear seasonality, but a greater number of cases of respiratory diseases were recorded in the autumn-winter period of the year. In the structure of infectious diseases during the research period, chlamydia mono-infection was registered in 68 % of cats, association of chlamydia with infectious rhinotracheitis in 18.5 %, kalitsivirus infection in 8.6 %, with panleukopenia in 4.9 %. The greatest number of the registered cats had acute and subacute course of chlamydia. In the acute course, there was an increase in temperature, oppression and refusal to eat. In the majority of cases of acute, subacute and associated chlamydia, the structures of the eye were damaged. Conjunctivitis, keratitis, chemosis, uveitis, third eyelid inflammation, changes in the shape of the pupil developed. A Sphynx breed cat showed signs of acute chlamydial arthritis with pronounced inflammatory edema. The latent course was accompanied by abortions, which were mainly registered in young cats. Animals older than four years more often showed stillborn and weak kittens. The main clinical signs of chlamydia in kittens born from sick cats were eye lesions: swelling of the conjunctiva, its reddening and secretion of a significant amount of brown purulent exudate with the viscosity of the catarrh and as a consequence of eyelid adhesion and complications as ankyloblepharon or symblepharon. Submandibular and other lymph nodes in the head area were significantly enlarged. Often pus dried up near the mouth or nostrils. Pus crusts accumulated in the nasal cavity and prevented breathing. Gastrointestinal tract disorders were observed in some cases. Part of the affected litter died within the first three days after birth. Neonatal chlamydia was more often manifested by conjunctivitis, keratitis, panophthalmitis and growth retardation. On the second or third day after birth, the kittens showed weakness and lack of appetite. In two cases of neonatal chlamydia, bronchopneumonia developed. When chlamydia and infectious rhinotracheitis were associated, the structures of the eye were affected in all cases. These lesions could be different and depended on the stage of the infectious process.
16
Ravinder Raju, Ambati. "Validation of POPs for Bt Cotton Production in Highly Calcareous Soils." International Journal of Current Microbiology and Applied Sciences 12, no. 11 (November 10, 2023): 122–37. http://dx.doi.org/10.20546/ijcmas.2023.1211.012.
Анотація:
Package of practices for highly Calcareous soils were developed, tested and validated to supply optimum NPKSZn and B content in index leaf of Bt hybrid cotton during boll formation stage, such as seed treatment (S.Tr) with NPK consortia soil having Azotobacter sp. strain MTCC-3853 + Rhizobium leguminoserum- strain MTCC-99 + PSB: Bacillus megatherium var. phosphaticum strain MTCC-24121, MTCC 2412, Bacillus licheniformis strain-MTCC-2312, Bacillus subtilis strain MTCC-736 + KMB: K mobilising bacteria Acido thiobacillus ferroxidans strain: 5370; Pseudomonas fluorescens migula: strain 2659 to encourage soil biological activities in low OC soil along with 75% RDF only. Bentonite sulphur 20 kg ha-1 soil application (SA) + RDF; Sagarika S. Tr along with twice foliar sprays (FS) at squaring and flowering + RDF; Nano ZnO 4% S. Tr. twice FS + RDF during 2019, exception was during 2020, the magnitude was 50% less due twice torrential and 5 times medium rains during July and August months upset the physiology of cotton, shedded all the fruiting bodies, unable to maintain index leaf NPK, besides heavy pink bollworm attack. All these treatments were applied with 100% RDF granular, split, spot application having 6.5%Sulphur containing, N: P2O5: K2O @ 22.5 kg ha-1 twice on 15, 30 DAS and twice as Urea at 45 and 60 DAS, Bentonite Sulphur 20 kg ha-1 or seed treatment and foliar applications of bio-stimulants Sagarika @ 0.02% and twice foliar applications of the same @ 0.002% and Nano ZnO @ 0.004% twice produced 67-86 ppm Zn in index leaf of the Bt hybrid cotton, similar to that of chelated Zn 0.5%. This POPs produced 161-287 kg lint ha-1 i. e. more than double 38 to 50% due to better nutrient uptake, biomass production, boll number with more than INRs. 16 to 30, 000/- ha-1 profitability and 1.59 to 2.15 C:B ratio, FUE 1.6 to 1.2 and lowest cost of production in both the years. Large scale OFTs in Kalmeshwar Tq, Nagpur district (M.S.) India in highly Calcareous soils, confirmed the beneficial effect of soil application of Bentonite sulphur or sulphur containing complex fertilizers @ RDF with and without two winter irrigations in late September besides seed treatment with PGPRs or Bio-stimulants before sowing and twice foliar applications at squaring and flowering stages with ZnSO4 0.5% or nano ZnO 4% 0.004% or Bio-stimulants 28% 0.002% along with Urea 2% and Boron 0.3% or cheleted micronutrients 0.5% along with WSF 17:44:0 and 0:0:50 2.0% in doubling the seed cotton yields besides reducing pre mature leaf reddening by maintaining optimum index leaf nutrient content with 40 bolls plant -1.
17
Raju, Ambati Ravinder, A. Manikandan, Anuradha Narala, Sunil Heel Kantha Rokde, Rachna Deshmukh, Pranay Tiwari, and Milind Yesankar. "Validation Cropping Systems and Input Management in Calcareous Vertisols." International Journal of Plant & Soil Science 35, no. 22 (December 7, 2023): 761–78. http://dx.doi.org/10.9734/ijpss/2023/v35i224188.
Анотація:
Inputs were tested and validated to supply optimum P and Zn content in index leaf of Bt hybrid cotton during squaring to flowering stage, such as seed treatment with NPK consortia to encourage soil biological activities in low organic carbon highly Calcareous Vertisols alongwith 75% RDF. Bentonite sulphur @20 kg ha-1 yr-1 soil application (SA) + RDF; Sagarika seed treatment @ 0.2% alongwith twice foliar sprays @ 0.002% at squaring and flowering + RDF; Nano ZnO 4% Seed treatment twice foliar sprays@0.004% + RDF produced significant agronomic response during 2019, exception was during 2020, the magnitude was 50% less due twice torrential (>60-100mm) and five times medium (25-50mm) rains during July and August months upset the reproductive physiology of cotton, shedded all the fruiting bodies, unable to maintain index leaf NPK, besides heavy pink bollworm attack. All these treatments were applied with 100% RDF @90:45:45 N:P2O5:K2O granular, two splits of basal spot application having 6.5% Sulphur containing, N: P2O5: K2O @ 22.5 kg ha-1 twice on 15, 30 DAS and twice as Urea at 45 and 60 DAS, Bentonite Sulphur @ 20 kg ha-1 +RDF or seed treatment and foliar applications of bio-stimulants Sagarika @ 0.02% and twice foliar applications of the same @ 0.002% and Nano ZnO @ 0.004% twice produced 67-86 ppm Zn in index leaf of the Bt hybrid cotton, similar to that of chelated Zn 0.5%. These inputs produced 161-287 kg lint ha-1 i. e. more than double 38 to 50% due to better nutrient uptake, biomass production, boll number with more than ₹. 15 to 30, 000/- ha-1 profitability and 1.5 to 2.2 C:B ratio, FUE 1.6 to 1.2 and lowest cost of production in both the years. Large scale OFTs in Kalmeshwar Tq, Nagpur district (M.S.) India in highly Calcareous soils, on suitable field and horticulture crops, irrigations and inputs management confirmed the beneficial effect of RDF 150% @120:60:60 N:P2O5:K2O three splits fertilizers mixture of SSP + Urea + 20:20:0:13 soil application and also Bentonite sulphur or with and without two winter irrigations in late September besides seed treatment with PGPRs or Sagarika 0.002% before sowing and twice foliar applications with the same or alongwith chelated micronutrients 0.5% + WSF 17:44:0 and 0:0:50 2.0% + Boron 0.3% alternately with ZnSO4 0.5% or nano ZnO 0.004% alongwith Urea 2% and Boron 0.3% or were help full in doubling the seed cotton yields besides reducing the pre mature leaf reddening by maintaining optimum index leaf nutrient content.
18
Parrella, G., B. Greco, L. Cavicchi, and M. G. Bellardi. "Dieback and Wilting Caused by Tomato spotted wilt virus in Arctotis × hybrida in Italy." Plant Disease 97, no. 10 (October 2013): 1387. http://dx.doi.org/10.1094/pdis-03-13-0309-pdn.
Анотація:
In winter 2012, some potted plants of African daisy (Arctotis × hybrida L., family Asteraceae) cv. Hannah, propagated by rooted stem cuttings and cultivated for commercial purposes in a greenhouse located at Albenga (Liguria region, Italy), were noticed for a rapid dieback, generalized reddening, following by an irreversible wilting. Around 130 plants on a total of 3,000 cultivated plants showed symptoms (4 to 5%). One gram of fresh leaves, each collected from three different symptomatic plants, was ground in 4 ml of cold (∼5°C) sodium phosphate 0.03 M buffer, containing 0.2% sodium diethyldithiocarbamate, 75 mg/ml of active charcoal, and traces of carborundum (600 mesh). The inoculum was rubbed on healthy indicator herbaceous plants and inoculated plants were maintained in an insect-proof greenhouse with natural illumination and temperatures of 24/18°C day/night. Healthy and buffer inoculated plants were also included in the test and used as negative control in the subsequent serological and molecular analysis. Sap-inoculated plants showed the following symptoms after 1 to 3 weeks: necrotic local lesions in Chenopodium amaranticolor and C. quinoa, yellowing and stunting following by systemic necrosis and death of the plants in tomato (Solanum lycopersicum cv. San Marzano), necrotic local lesions following by systemic necrotic patterns and leaf deformation in tobacco (Nicotiana tabacum cv. Xanthi nc.) and N. glutinosa, necrotic local lesions in petunia (Petunia × hybrida cv. Pink Beauty). No symptoms were recorded on buffer inoculated plants. Leaf samples from both symptomatic hosts and the three original symptomatic African daisy plants were tested by double-antibody sandwich-ELISA with polyclonal antisera against Cucumber mosaic virus (CMV) and tospoviruses (Tospovirus broad-spectrum, Serogroups I, II, and III, Bioreba AG, Switzerland). Positive reaction was obtained with Tospo-groups antibodies, but not with the CMV ones. Total RNA was extracted from infected leaves of African daisy with the RNeasy Plant Mini Kit (Qiagen, Valencia, CA) and subjected to reverse transcription (RT)-PCR by using the tospovirus universal primers BR60/BR65 that amplify part of the nucleocapsid protein gene (1). Target amplicons of 454 bp were produced for all samples tested. The PCR products were cloned and sequenced on both strands (one clone per amplicon cloned). The resulting sequences were 100% identical, so a single sequence was deposited in GenBank (HF913777). The sequence showed highest homology (99%) with the Tomato spotted wilt virus (TSWV) tomato isolate NJ-JN from South Korea (HM581936). The identity of the virus infecting African daisy was further confirmed by sequencing amplicons obtained by RT-PCR using primers partially covering the movement protein gene of TSWV (2). The sequence obtained (HF913776) showed the highest homology (99%) with three TSWV isolates: a tomato isolate from Spain (AY744493), a pepper isolate from South Korea (AB663306), and again the tomato NJ-JN isolate from South Korea (HM581936). To our knowledge, this is the first natural report of TSWV infecting African daisy plants. Moreover, since this ornamental is often cultivated with other flowering plants, it can act as reservoir for the virus that can infect other ornamentals and crops, considering that TSWV has a very broad host range (3). This result also represents the first finding of TSWV in the genus Arctotis, family Asteraceae, the greater botanical family of TSWV hosts (3). References: (1) M. Eiras et al. Fitopatol. Bras. 26:170, 2001. (2) M. M. Finetti et al. J. Plant Pathol. 84:145, 2002. (3) G. Parrella et al. J. Plant Pathol. 85:227. 2003.
19
Xiao, Huogen, Olivia Roscow, Julia Hooker, Caihong Li, Hans J. Maree, and Baozhong Meng. "Concerning the Etiology of Syrah Decline: A Fresh Perspective on an Old and Complex Issue Facing the Global Grape and Wine Industry." Viruses 15, no. 1 (December 21, 2022): 23. http://dx.doi.org/10.3390/v15010023.
Анотація:
Syrah decline, first identified in Southern France in the 1990s, has become a major concern in the global grape and wine industry. This disease mainly affects Syrah (Shiraz) grapevines. Characteristic symptoms include the bright and uniform reddening of leaves throughout the canopy in late summer or early fall; the appearance of abnormalities on the trunk, mainly at the graft union (swelling, pits, grooves, and necrosis); and a reduction in vine vigor, yield and berry quality. Diseased vines may die a few years after disease onset. Damages to the vine are even more pronounced in cool climate regions such as Ontario (Canada), where the affected vines are subjected to very cold and prolonged winters, leading to large numbers of vine deaths. Despite the extensive efforts of the global grape research community over the past few decades, the etiology of this disease remains unclear. In this study, we conducted extensive analyses of viruses in declining Syrah vines identified in commercial vineyards in the Niagara region (Ontario, Canada) through high-throughput sequencing, PCR, RT-PCR and the profiling of genetic variants of select viruses. Multiple viruses and viral strains, as well as three viroids, were identified. However, an unequivocal causal relationship cannot be established between Syrah decline and any of these viruses, although the possibility that certain virus or genetic variants, or both in combination, may contribute to the disease cannot be excluded. Gleaning all information that is available to date, we feel that the traditional approach and an insistence on finding a single cause for such a complex disorder in a woody perennial fruit crop involving grafting will prove to be futile. We hope that this study offers new conceptual perspectives on the etiology of this economically important but enigmatic disease complex that affects the global grape and wine industry.
20
Cui, Xinzhi, Yibing Ding, Chanchan Sun, Xiulian Li, Shuzhi Yuan, Fengjun Guo, Xiangquan Zeng, Xinguang Fan, and Shuyang Sun. "Improving the storage quality and suppressing off-flavor generation of winter jujube by precise micro-perforated MAP." Frontiers in Plant Science 15 (April 16, 2024). http://dx.doi.org/10.3389/fpls.2024.1372638.
Анотація:
IntroductionTraditional modified atmosphere packaging (MAP) cannot meet the preservation requirements of winter jujube, and the high respiration rate characteristics of winter jujube will produce an atmosphere component with high CO2 concentration in traditional MAP. Micro-perforated MAP is suitable for the preservation of winter jujube due to its high permeability, which can effectively remove excess CO2 and supply O2. In this study, a microporous film preservation system that can be quickly applied to winter jujube was developed, namely PMP-MAP (precise micro-perforated modified atmosphere packaging). An experiment was designed to store winter jujube in PMP-MAP at 20°C and 2°C, respectively. The quality, aroma and antioxidant capacity, etc. of winter jujube at the storage time were determined.MethodsIn this study, the optimal micropore area required for microporous film packaging at different temperatures is first determined. To ensure the best perforation effect, the effects of various factors on perforation efficiency were studied. The gas composition within the package was predicted using the gas prediction equation to ensure that the gas composition of the perforated package achieved the desired target. Finally, storage experiments were designed to determine the quality index of winter jujube, including firmness, total soluble solids, titratable acid, reddening, and decay incidence. In addition, sensory evaluation, aroma and antioxidant capacity were also determined. Finally, the preservation effect of PMP-MAP for winter jujube was evaluated by combining the above indicators.Results and discussionAt the end of storage, PMP-MAP reduced the respiration rate of winter jujube, which contributed to the preservation of high total soluble solids and titratable acid levels, and delayed the reddening and decay rate of winter jujube. In addition, PMP-MAP maintained the antioxidant capacity and flavor of winter jujube while inhibiting the occurrence of alcoholic fermentation and off-flavors. This can be attributed to the effective gas exchange facilitated by PMP-MAP, thereby preventing anaerobic stress and quality degradation. Therefore, the PMP-MAP approach is an efficient method for the storage of winter jujube.
21
Zhang, Weida, Jiawei Kang, Wanting Yang, Huijing Guo, Minrui Guo, and Guogang Chen. "Incorporation of 1-methylcyclopropene and salicylic acid improves quality and shelf life of winter jujube (Zizyphus jujuba Mill. cv. Dongzao) through regulating reactive oxygen species metabolism." Frontiers in Nutrition 9 (July 25, 2022). http://dx.doi.org/10.3389/fnut.2022.940494.
Анотація:
Winter jujube fruit is susceptible to aging, peel reddening, dehydration, shrinkage, and tissue softening during shelf life after it is removed from the cold storage conditions. In this study, the effects of 1-methylcyclopropene (1-MCP) and salicylic acid (SA) on the quality of winter jujube fruit during shelf life were investigated by measuring physiological indexes and the activities of antioxidant enzymes and enzymes related to reactive oxygen species (ROS) metabolism of winter jujube fruit. The results showed that 1-MCP treatment and SA treatment suppressed weight loss, respiratory rate, malondialdehyde (MDA) content, H2O2 content, and O2-· production rate, but improved firmness, color difference (ΔE), soluble solid content (SSC), titratable acidity (TA), superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), ascorbate peroxidase (APX), glutathione reductase (GR), phenylalanine ammonia-lyase (PAL) activities, ascorbic acid content, glutathione content, total phenolic content, and total flavonoid content in comparison with the control. Particularly, the combined treatment of 1-MCP and SA (1-MCP+SA treatment) showed the maximum efficacy compared to the 1-MCP treatment and SA treatment alone. 1-MCP+SA treatment exhibited the best preservation effect, followed by SA treatment and 1-MCP treatment. Thus, the combined treatment of 1-MCP and SA is an effective approach to maintain the postharvest quality of winter jujube fruit and extend the shelf life.
22
Katahata, Shin-Ichiro, Maki Katoh, Atsuhiro Iio, and Yuzuru Mukai. "Photoinhibition and pigment composition in relation to needle reddening in sun-exposed Cryptomeria japonica at different altitudes in winter." Journal of Forest Research, December 29, 2021, 1–10. http://dx.doi.org/10.1080/13416979.2021.2011561.
23
Boscaini, Adriano, Flavia Brescancin, Leonardo Cerasino, Chiara Fedrigotti, Elisa Anna Fano, and Nico Salmaso. "Vertical and horizontal distribution of the microcystin producer Planktothrix rubescens (Cyanobacteria) in a small perialpine reservoir." Advances in Oceanography and Limnology 8, no. 2 (December 14, 2017). http://dx.doi.org/10.4081/aiol.2017.7134.
Анотація:
Among cyanobacteria, Planktothrix rubescens (De Candolle ex Gomont) Anagnostidis & Komárek is a species that is well adapted to develop in moderately nutrient rich and deep lakes. In this typology of waterbodies, the competitive abilities of this species rely in its capacity to stand and growth in the dimly illuminated metalimnetic layer during the warmer months. I this work, we have studied the seasonal development and distribution of this species in Lake Ledro, a meso-oligotrophic reservoir located in the Eastern Alps. During the last decade, this species has given rise to numerous and extended surface bloom episodes, causing the reddening of vaste areas of the lake. In summer, the light intensities in the zone of the greater development of this cyanobacterium (in the metalimnion, between the euphotic depth and the layer of maximum development of the species) were bewteen 2 and 20 µmol m-2 s-1, i.e. values that were well within the light intensities required to sustain the optimal growth of filaments. The formation of the autumn and winter blooms was triggered by the cooling of surface waters and increase of the mixed layer, which, eroding the metalimnion, entrained the filaments of Planktothrix in the surface mixed layers. The formation of the surface blooms was associated with the presence of high amounts of microcistins, which in a few occasions reached concentrations between 10 and 22 µg L-1, posing potential problems for the exploitation of water resources.