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在中国Diaporthe的高物种多样性与类病有关

X E Xiao¹, Y D Liu¹, F Zheng¹

¹The Key Laboratory of Molecular Biology of Crop Pathogens and Insects of Ministry of Agriculture, The Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Institute of Biotechnology, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China.

|April 26, 2024

概括

在中国进行的一项研究发现了36种与类植物疾病相关的Diaporthe真菌,其中包括4种新物种. 虽然大多数无害,但Diaporthe citri被认为是主要的类病原体,有助于疾病管理.

科学领域:

菌类学菌类学是指菌类学.
植物病理学植物病理学
人类遗传学是一个学科.

背景情况:

迪亚波特属内的物种表现出广泛的宿主范围和全球分布,充当内植物,试探器和植物病原体.
以前的研究表明,许多Diaporthe物种和类植物之间存在显著的联系.

研究的目的:

综合评估Diaport的多样性,该物种与中国各地的类疾病有关.
为了识别和描述新的Diaporthe与类相关的物种.

主要方法:

从2017年到2020年,在中国主要类产区进行了广泛的调查.
收集了表现出各种症状的生病类组织.
使用DNA序列 (ITS,cal,his3,tef1,tub2) 的遗传学分析被用来识别分离物.

主要成果:

来自10个省份的393个分离物被确定为36个Diaporthe物种,包括32个已知的物种和4个新物种 (D. gammata,D. jishouensis,D. ruiliensis,D. sexualispora).
14种已知的物种和两种物种首次在Citrus上报告.
鉴定出Diaporthe citri是主导和最有毒的物种,导致黑色素和果上的重大病变.

结论:

中国拥有丰富多样性的Diaporthe与类相关的物种,尽管只有少数构成重大威胁.
证实Diaporthe citri是中国的主要类病原体.
这些发现为制定类植物疾病的有针对性的监测和控制策略提供了基础.

关键词:

类植物的疾病.幻灯片上传了他的照片.新的税种新的税种病原性病原性病原性遗传学分析遗传学分析

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