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首页> 美国卫生研究院文献>Molecular Plant Pathology >Bacterial wilt of dry beans caused by Curtobacterium flaccumfaciens pv. flaccumfaciens: A new threat from an old enemy
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Bacterial wilt of dry beans caused by Curtobacterium flaccumfaciens pv. flaccumfaciens: A new threat from an old enemy

机译：flaccumfaciens pv引起的干豆细菌性枯萎病。 flaccumfaciens：来自老敌人的新威胁

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Bacterial wilt and tan spot of dry beans (family Fabaceae), caused by pv. , is an important emerging disease threatening the edible legume industry around the globe. The management of bacterial wilt has been a major problem since its original description in 1922. This is in part due to the seedborne nature of the pathogen allowing the bacterium to be transmitted long distances via infected seeds, as well as a lack of detailed molecular information concerning the pathogenicity repertoires and virulence determinates of the pathogen. Identification can also be difficult owing to the presence of five different colony colour variants (i.e., yellow, orange, pink, purple, and red) on culture media. In this review, we provide an overview of the aetiology, epidemiology, and management strategies of bacterial wilt disease. First, a comprehensive and comparative symptomology of the disease on different dry bean species is described. Then, the taxonomic history of the causal agent and utility of high‐throughput sequencing‐based approaches in the precise characterization of the pathogen is explained. Furthermore, we provide an updated outline on the global distribution of the pathogen, highlighting expansion of the causal agent into the areas with no history of the disease until the beginning of the current century. Finally, because there are limited options for use of conventional pesticides against the pathogen, we highlight the use of integrated pest management strategies, for example quarantine inspections, resistant cultivars, and crop sanitation, to combat the risk of bacterial wilt disease in the dry bean industry.
机译：pv引起的干豆（豆科）的细菌性枯萎和棕褐色斑点。 ，是威胁全球食用豆类工业的重要新兴疾病。自从1922年对青枯病进行描述以来，其管理一直是一个主要问题。这部分是由于病原体的种子传播特性，使得该病菌可以通过受感染的种子长距离传播，并且缺乏详细的分子信息关于致病性的清单和致病性的毒力决定因素。由于培养基上存在五种不同的菌落颜色变体（即黄色，橙色，粉红色，紫色和红色），因此鉴定也可能很困难。在这篇综述中，我们概述了细菌性枯萎病的病因，流行病学和管理策略。首先，描述了该疾病在不同干豆品种上的综合和比较症状。然后，解释了病原菌的分类历史以及基于高通量测序的方法在病原体精确表征中的实用性。此外，我们提供了有关病原体全球分布的更新大纲，重点介绍了致病因子在本世纪初之前一直扩展到没有该病史的地区。最后，由于针对病原体使用常规杀虫剂的选择有限，因此，我们着重强调了采用综合虫害管理策略（例如检疫检查，抗性栽培品种和农作物卫生）来应对干豆中细菌性枯萎病的风险行业。

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