First Report of the Peach Leaf Spot Caused by Nigrospora sphaerica in China

文献类型: 外文期刊

第一作者: Li, Huan

作者: Li, Huan;Ishfaq, Shumila;Guo, Wei;Wang, Han

作者机构:

关键词: peach; leaf spot; identification; Nigrospora sphaerica

期刊名称:HORTICULTURAE ( 影响因子:3.0; 五年影响因子:3.2 )

ISSN:

年卷期: 2024 年 10 卷 12 期

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收录情况: SCI

摘要: Peach (Prunus persica L.) is a globally significant fruit valued for its high edible and ornamental qualities. Peach leaf spot disease has become increasingly prevalent in recent years, negatively affecting fruit quality and esthetic appeal. During the summer of 2024, symptoms of leaf spots were observed on peach trees in an orchard in Bazhong City, Sichuan Province, China. Leaf samples displaying typical spot symptoms were collected from peach orchards, and the pathogenic agents were isolated. Based on their morphological characteristics and multi-locus phylogenetic analysis, the isolated and purified fungus SCBZPP6 was identified as Nigrospora sphaerica. Furthermore, the pathogenicity of the isolated fungus was verified via Koch's postulates. To our knowledge, this is the first report of N. sphaerica causing leaf spot on peach in China.

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