Bibliographies thématiques / Blister blight of tea

Littérature scientifique sur le sujet « Blister blight of tea »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "Blister blight of tea"

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Zhang, Qiqi, Nini Guo, Yongheng Zhang, Youben Yu et Shuyuan Liu. « Genome-Wide Characterization and Expression Analysis of Pathogenesis-Related 1 (PR-1) Gene Family in Tea Plant (Camellia sinensis (L.) O. Kuntze) in Response to Blister-Blight Disease Stress ». International Journal of Molecular Sciences 23, no 3 (24 janvier 2022) : 1292. http://dx.doi.org/10.3390/ijms23031292.

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Pathogenesis-related 1 (PR-1) proteins, which are defense proteins in plant–pathogen interactions, play an important role in the resistance and defense of plants against diseases. Blister blight disease is caused by Exobasidium vexans Massee and a major leaf disease of tea plants (Camellia sinensis (L.) O. Kuntze). However, the systematic characterization and analysis of the PR-1 gene family in tea plants is still lacking, and the defense mechanism of this family remains unknown. In this study, 17 CsPR-1 genes were identified from the tea plant genome and classified into five groups based on their signal peptide, isoelectric point, and C-terminus extension. Most of the CsPR-1 proteins contained an N-terminal signal peptide and a conserved PR-1 like domain. CsPR-1 genes comprised multiple cis-acting elements and were closely related to the signal-transduction pathways involving TCA, NPR1, EDS16, BGL2, PR4, and HCHIB. These characteristics imply an important role of the genes in the defense of the tea plant. In addition, the RNA-seq data and real-time PCR analysis demonstrated that the CsPR-1-2, -4, -6, -7, -8, -9, -10, -14, -15, and -17 genes were significantly upregulated under tea blister-blight stress. This study could help to increase understanding of CsPR-1 genes and their defense mechanism in response to tea blister blight.
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Wan, Yuhe, Yuxin Han, Xinyi Deng et Yingjuan Chen. « Metabolomics Analysis Reveals the Effect of Two Alpine Foliar Diseases on the Non-Volatile and Volatile Metabolites of Tea ». Foods 12, no 8 (7 avril 2023) : 1568. http://dx.doi.org/10.3390/foods12081568.

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Blister blight and small leaf spots are important alpine diseases that mainly attack tender tea leaves, affecting tea quality. However, there is limited information on the effect of these diseases on tea’s non-volatile and volatile metabolites. Metabolomic analysis based on UHPLC-Q-TOF/MS, HPLC and GC/MS was used to reveal the characteristic chemical profiles of tea leaves infected with blister blight (BB) and small leaf spots (SS). Flavonoids and monolignols were non-volatile metabolites that were enriched and significantly changed. Six main monolignols involved in phenylpropanoid biosynthesis were significantly induced in infected tea leaves. The accumulation of catechins, (−)-epigallocatechin gallate, (−)-epicatechin gallate, caffeine, amino acids and theanine were significantly decreased in both diseased tea leaves, while soluble sugar, (−)-epigallocatechin and phenol-ammonia were obviously increased. Among them, the amounts of sweet and umami-related soluble sugar, sucrose, amino acids and theanine were much higher in BB, while bitter and astringent taste-related catechins and derivatives were much higher in SS. Volatiles analysis showed that volatiles content in SS and BB was significantly decreased, and styrene was significantly induced in blister blight-infected tea leaves. The results indicate that the type and amount of volatiles were highly and differentially influenced by infection with the two alpine diseases.
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ITO, Yoko. « Behavior of the Tea Blister Blight Fungus on the Overwintering Buds of Tea. » Chagyo Kenkyu Hokoku (Tea Research Journal), no 84 (1997) : 1–4. http://dx.doi.org/10.5979/cha.1997.1.

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Sen, Surjit, Manjula Rai, Diptosh Das, Swarnendu Chandra et Krishnendu Acharya. « Blister blight a threatened problem in tea industry : A review ». Journal of King Saud University - Science 32, no 8 (décembre 2020) : 3265–72. http://dx.doi.org/10.1016/j.jksus.2020.09.008.

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Yang, Xiuju, Kunqian Cao, Xiaoli Ren, Guangyun Cao, Weizhi Xun, Jiayong Qin, Xia Zhou et Linhong Jin. « Field Control Effect and Initial Mechanism : A Study of Isobavachalcone against Blister Blight Disease ». International Journal of Molecular Sciences 24, no 12 (16 juin 2023) : 10225. http://dx.doi.org/10.3390/ijms241210225.

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Blister blight (BB) disease is caused by the obligate biotrophic fungal pathogen Exobasidium vexans Massee and seriously affects the yield and quality of Camellia sinensis. The use of chemical pesticides on tea leaves substantially increases the toxic risks of tea consumption. Botanic fungicide isobavachalcone (IBC) has the potential to control fungal diseases on many crops but has not been used on tea plants. In this study, the field control effects of IBC were evaluated by comparison and in combination with natural elicitor chitosan oligosaccharides (COSs) and the chemical pesticide pyraclostrobin (Py), and the preliminary action mode of IBC was also investigated. The bioassay results for IBC or its combination with COSs showed a remarkable control effect against BB (61.72% and 70.46%). IBC, like COSs, could improve the disease resistance of tea plants by enhancing the activity of tea-plant-related defense enzymes, including polyphenol oxidase (PPO), catalase (CAT), phenylalanine aminolase (PAL), peroxidase (POD), superoxide dismutase (SOD), β-1,3-glucanase (Glu), and chitinase enzymes. The fungal community structure and diversity of the diseased tea leaves were examined using Illumina MiSeq sequencing of the internal transcribed spacer (ITS) region of the ribosomal rDNA genes. It was obvious that IBC could significantly alter the species’ richness and the diversity of the fungal community in affected plant sites. This study broadens the application range of IBC and provides an important strategy for the control of BB disease.
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Han, Yuxin, Xinyi Deng, Huarong Tong et Yingjuan Chen. « Effect of blister blight disease caused by Exobasidium on tea quality ». Food Chemistry : X 21 (mars 2024) : 101077. http://dx.doi.org/10.1016/j.fochx.2023.101077.

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ITO, Yoko, et Nobuyoshi NARISAWA. « Infection of Exobasidium vexans, Causal Fungus of Blister Blight of Tea, into Young Tea Leaves. » Chagyo Kenkyu Hokoku (Tea Research Journal), no 80 (1994) : 9–12. http://dx.doi.org/10.5979/cha.1994.80_9.

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Krishnan, Jayapal Santhana. « An integrated fuzzy-rough set model for identification of tea leaf diseases ». Pakistan Journal of Agricultural Sciences 59, no 06 (1 novembre 2022) : 947–52. http://dx.doi.org/10.21162/pakjas/22.1403.

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Tea is one of the major economic crops of India. People use tiny tea leaves to make beverages. The diseases in tea leaves affect the quality and yield of this cultivation. This paper proposes a disease classification model to prevent the major loss in crop yield.Tea leaf images are captured using a camera, and various image processing techniques are applied to the images to identify which disease is affected. The proposed model works for three major tea leaf diseases: blister blight, scab, and spot. The model extracts the Haralick features using Gray Level Co-occurrence Matrix (GLCM), and the most relevant features are selected with the help of the metaheuristic optimization technique. Fuzzy Rough Nearest Neighbor (FRNN) is used for classification techniques, and the model gave better accuracy than other existing techniques
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Kwon, Jin-Hyeuk, Seon-Gi Jeong et Chang-Seuk Park. « Blister blight of Tea (Thea sinensis) Caused by Exobasidium vexans in Korea ». Research in Plant Disease 9, no 4 (1 décembre 2003) : 209–12. http://dx.doi.org/10.5423/rpd.2003.9.4.209.

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Chandra, Swarnendu, Nilanjan Chakraborty, Amrita Chakraborty, Ripen Rai, Biswajit Bera et Krishnendu Acharya. « Induction of defence response against blister blight by calcium chloride in tea ». Archives Of Phytopathology And Plant Protection 47, no 19 (5 février 2014) : 2400–2409. http://dx.doi.org/10.1080/03235408.2014.880555.

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Thèses sur le sujet "Blister blight of tea"

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Sengupta, Debjani. « Serological studies on Blister blight of tea ». Thesis, University of North Bengal, 2002. http://hdl.handle.net/123456789/893.

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Das, Ruma. « Immunological studies on Brown Blight of tea Camellia Sinensis (L) O Kuntze ». Thesis, University of North Bengal, 1996. http://hdl.handle.net/123456789/902.

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Datta, Shraboni. « Studies on the Biology of Brown blight disease of Tea, Camellia sinences(L.) O, Kuntze with special reference to the factors effecting its in incidence ». Thesis, University of North Bengal, 2000. http://hdl.handle.net/123456789/891.

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Das, Subir Kumar. « Studies om host-parasite interaction with special reference to grey blight disease of tea and its phylloplane microorganisms ». Thesis, University of North Bengal, 1995. http://hdl.handle.net/123456789/1065.

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Kouyoumjian, Richard E. « Comparison of compost tea and biological fungicides for control of early blight in organic heirloom tomato production ». Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202499799/.

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Das, Gouri. « Studies on the Brown Blight disease of tea Camellia sinensis L. (O.) Kuntze cause by Glomerella cingulata (stoneman) Spauld. & ; Schrenk. and its interaction with phylloplane microorganisms ». Thesis, University of North Bengal, 1995. http://hdl.handle.net/123456789/1088.

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Tsai, Chih-Chien, et 蔡志千. « Epidemiological study and non-pesticide control of tea brown blight disease ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/76252996003082788489.

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碩士
國立臺灣大學
植物醫學碩士學位學程
102
Tea (Camellia sinensis (L.) O. Kuntze) is a kind of evergreen perennial shrub or small tree, can be processed to the most widely consumed beverage in the world. Due to its fragrant flavor, tea has been massively grown in Taiwan. Tea can be affected by many diseases, among them the tea brown blight disease (Colletotrichum gloeosporioides) is the most common fungus disease in the field. To investigate the severity of tea brown blight disease, and to control it, this study monitored the disease severity of tea brown blight at Pinglin, Wenshan and Yangmei areas. As a new sprout wilt disease was found at Pinglin, New Taipei, tissue isolation methods were conducted to obtain the suspect pathogen. Results showed that both Colletotrichum and Pestalotiopsis can be isolated from the wilting sprout. Through the rules of Koch’s postulates and molecular identification, we confirmed that the sprout wilt is mainly caused by C. gloeosporioides. Sprout wilt disease can cause 20 to 50 percent of yield loss in Pinglin, resulting in severe economic impact on winter tea in Pinglin area. Culturing this pathogen at different temperatures showed that this pathogen grows best at 25℃ and slower at 15℃, but cannot grow at 35℃. Basing on epidemiological study from December 2013 to June 2014, this disease prefer the low temperature, low humidity and high wind speed. The relationship between sprout wilt and tea brown blight disease is generally positively correlated, indicating that the spores from tea leaves with brown blight disease can splash to sprout by wind and rain and cause the disease. On the other hand, brown blight disease occurred more severe in season of high speed wind. As compared to Ttes No.12, Shy Jih Chuen and Tieguanyin, the cultivar Chih Shih Oolong is the most sensitive to brown blight disease. In order to eliminate the concerns of pesticide residues, non-pesticides control of plant disease is right now a favorite by farmer. Therefore we choose seven kind of plant to prepare their extracts and two antagonistic microorganisms to test to control the sprout wilt in this study. They are ginger, turmeric, cinnamon, cloves, cablin potchouli herb and Chinese magnoliavine fruit. The test of their extracts for effect on mycelial growth and spores germination, showed that only ethanol extract of clove, cinnamon and cablin potchouli herb have some inhibition potential against the pathogen. However, only the ethanol extract of turmeric and garlic (0.2%) exhibit the inhibition rate of about 25% in pot plant test. On the other side, antagonism microorganisms Streptomyces (Streptomyces sp.) YU01 and Bacillus subtilis also have inhibition effect on this pathogen in dual culture experiment. Streptomyces YU01 even has 83% inhibition rate to control the sprout wilt disease in pot plant test, when applied one day before the inoculation. Whereas the Bacillus subtilis has no inhibition effect in pot plant test. A total of 13 fungicides were screened for their control rates on tea brown blight pathogen by mycelial growth inhibition test. Results showed that both benomyl, kasugamycin plus carbendazim, have the best potential to control the disease. In this study, we found that the sprout wilt pathogen can infect not only the Chin Shin Oolong cultivar, but also the cultivar Ttes No.12, Shy Jih Chuen and Dah Yeh Oolong. We also found that anthracnose pathogens from mango, strawberry and coffee, cannot cause the tea sprout wilt. Our study proved that the pathogen from brown blight can transmit and cause sprout wilt as shown in our field survey and pathogenicity test. However the reason of sprout wilt only occur in Pinglin area still need further studies in the future.
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Livres sur le sujet "Blister blight of tea"

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United Planters' Association of Southern India. Tea Research Institute., dir. Project report on forecasting blister blight disease and biology and control of primary root diseases in tea, April 1991 to March 1996. Valparai, Coimbatore Dist : UPASI Tea Research Institute, 1996.

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Tea Planter's Vade Mecum : A Volume of Important Articles, Correspondence, and Information of Permanent Interest and Value Regarding Tea, Tea Blight, Tea Cultivation & Manufacture, Tea Machinery, Timbers for Boxes and Other Purposes, with a Practi. Creative Media Partners, LLC, 2018.

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Tea Planter's Vade Mecum : A Volume of Important Articles, Correspondence, and Information of Permanent Interest and Value Regarding Tea, Tea Blight, Tea Cultivation & Manufacture, Tea Machinery, Timbers for Boxes and Other Purposes, with a Practi. Creative Media Partners, LLC, 2018.

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Chapitres de livres sur le sujet "Blister blight of tea"

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Chaliha, Chayanika, et Eeshan Kalita. « Blister Blight Disease of Tea : An Enigma ». Dans Diagnostics of Plant Diseases [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95362.

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Tea is one of the most popular beverages consumed across the world and is also considered a major cash crop in countries with a moderately hot and humid climate. Tea is produced from the leaves of woody, perennial, and monoculture crop tea plants. The tea leaves being the source of production the foliar diseases which may be caused by a variety of bacteria, fungi, and other pests have serious impacts on production. The blister blight disease is one such serious foliar tea disease caused by the obligate biotrophic fungus Exobasidium vexans. E. vexans, belonging to the phylum basidiomycete primarily infects the young succulent harvestable tea leaves and results in ~40% yield crop loss. It reportedly alters the critical biochemical characteristics of tea such as catechin, flavonoid, phenol, as well as the aroma in severely affected plants. The disease is managed, so far, by administering high doses of copper-based chemical fungicides. Although alternate approaches such as the use of biocontrol agents, biotic and abiotic elicitors for inducing systemic acquired resistance, and transgenic resistant varieties have been tested, they are far from being adopted worldwide. As the research on blister blight disease is chiefly focussed towards the evaluation of defense responses in tea plants, during infection very little is yet known about the pathogenesis and the factors contributing to the disease. The purpose of this chapter is to explore blister blight disease and to highlight the current challenges involved in understanding the pathogen and pathogenic mechanism that could significantly contribute to better disease management.
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Chaliha, Chayanika, et Eeshan Kalita. « Blister Blight Disease of Tea : An Enigma ». Dans Diagnostics of Plant Diseases [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.95362.

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Tea is one of the most popular beverages consumed across the world and is also considered a major cash crop in countries with a moderately hot and humid climate. Tea is produced from the leaves of woody, perennial, and monoculture crop tea plants. The tea leaves being the source of production the foliar diseases which may be caused by a variety of bacteria, fungi, and other pests have serious impacts on production. The blister blight disease is one such serious foliar tea disease caused by the obligate biotrophic fungus Exobasidium vexans. E. vexans, belonging to the phylum basidiomycete primarily infects the young succulent harvestable tea leaves and results in ~40% yield crop loss. It reportedly alters the critical biochemical characteristics of tea such as catechin, flavonoid, phenol, as well as the aroma in severely affected plants. The disease is managed, so far, by administering high doses of copper-based chemical fungicides. Although alternate approaches such as the use of biocontrol agents, biotic and abiotic elicitors for inducing systemic acquired resistance, and transgenic resistant varieties have been tested, they are far from being adopted worldwide. As the research on blister blight disease is chiefly focussed towards the evaluation of defense responses in tea plants, during infection very little is yet known about the pathogenesis and the factors contributing to the disease. The purpose of this chapter is to explore blister blight disease and to highlight the current challenges involved in understanding the pathogen and pathogenic mechanism that could significantly contribute to better disease management.
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Actes de conférences sur le sujet "Blister blight of tea"

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Gowthami, M., Nila Baaradhy I, Nithin V et Subhash J. « A Survey on Tea Plant Disease Prediction for Blister Blight ». Dans 2024 Second International Conference on Emerging Trends in Information Technology and Engineering (ICETITE). IEEE, 2024. http://dx.doi.org/10.1109/ic-etite58242.2024.10493470.

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Hewawitharana, G. H. A. U., U. M. L. A. Nawarathne, A. S. F. Hassan, Lochana M. Wijerathna, G. D. Sinniah, Samitha P. Vidhanaarachchi, Jagath Wickramarathne et Janaka L. Wijekoon. « Effectiveness of Using Deep Learning for Blister Blight Identification in Sri Lankan Tea ». Dans 2023 International Research Conference on Smart Computing and Systems Engineering (SCSE). IEEE, 2023. http://dx.doi.org/10.1109/scse59836.2023.10215029.

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