{"title":"First report of snow bush wilt caused by Ralstonia pseudosolanacearum (Ralstonia solanacearum phylotype I) in Taiwan","authors":"Yuan-Cheng Hsu, Chao-Jen Wang, Wen-Hsin Chung","doi":"10.1016/j.cropro.2024.107070","DOIUrl":null,"url":null,"abstract":"In 2019, an unknown wilting disorder on snow bush (<ce:italic>Breynia disticha</ce:italic>) was observed in Changhua County, Taiwan. Symptomatic snow bush plants exhibited wilting, necrotic, and vascular discoloration. Two strains Bre-RS1 and Bre-RS2 were isolated from symptomatic tissues. Based on physiological tests and molecular analysis, the two bacterial strains were identified as <ce:italic>Ralstonia pseudosolanacearum</ce:italic> biovar 4. The pathogenicity tests showed that two isolates belonging to race 1 could infect Phyllanthaceae, Solanaceae, and Convolvulaceae with wound inoculation. This report describes a new bacterial wilt disease of snow bush caused by <ce:italic>R</ce:italic>. <ce:italic>pseudosolanacearum</ce:italic> in Taiwan and the world.","PeriodicalId":10785,"journal":{"name":"Crop Protection","volume":"24 1","pages":""},"PeriodicalIF":2.5000,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Crop Protection","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1016/j.cropro.2024.107070","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRONOMY","Score":null,"Total":0}
引用次数: 0
Abstract
In 2019, an unknown wilting disorder on snow bush (Breynia disticha) was observed in Changhua County, Taiwan. Symptomatic snow bush plants exhibited wilting, necrotic, and vascular discoloration. Two strains Bre-RS1 and Bre-RS2 were isolated from symptomatic tissues. Based on physiological tests and molecular analysis, the two bacterial strains were identified as Ralstonia pseudosolanacearum biovar 4. The pathogenicity tests showed that two isolates belonging to race 1 could infect Phyllanthaceae, Solanaceae, and Convolvulaceae with wound inoculation. This report describes a new bacterial wilt disease of snow bush caused by R. pseudosolanacearum in Taiwan and the world.
期刊介绍：
The Editors of Crop Protection especially welcome papers describing an interdisciplinary approach showing how different control strategies can be integrated into practical pest management programs, covering high and low input agricultural systems worldwide. Crop Protection particularly emphasizes the practical aspects of control in the field and for protected crops, and includes work which may lead in the near future to more effective control. The journal does not duplicate the many existing excellent biological science journals, which deal mainly with the more fundamental aspects of plant pathology, applied zoology and weed science. Crop Protection covers all practical aspects of pest, disease and weed control, including the following topics:
-Abiotic damage-
Agronomic control methods-
Assessment of pest and disease damage-
Molecular methods for the detection and assessment of pests and diseases-
Biological control-
Biorational pesticides-
Control of animal pests of world crops-
Control of diseases of crop plants caused by microorganisms-
Control of weeds and integrated management-
Economic considerations-
Effects of plant growth regulators-
Environmental benefits of reduced pesticide use-
Environmental effects of pesticides-
Epidemiology of pests and diseases in relation to control-
GM Crops, and genetic engineering applications-
Importance and control of postharvest crop losses-
Integrated control-
Interrelationships and compatibility among different control strategies-
Invasive species as they relate to implications for crop protection-
Pesticide application methods-
Pest management-
Phytobiomes for pest and disease control-
Resistance management-
Sampling and monitoring schemes for diseases, nematodes, pests and weeds.
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