First report of Colletotrichum siamense causing leaf spot on silver date palm in China

文献类型: 外文期刊

第一作者: Yang, Jinyu

作者: Yang, Jinyu;Chen, Gengxin;Yang, Jinyu;Li, Min;Chen, Gengxin;Sun, Jinhua;Cui, Jiaming;Wang, Yu;Gong, Deqiang;Hu, Meijiao;Zhang, Wu;Cui, Jiaming;Wang, Yu

作者机构:

关键词: Colletotrichum siamense; Phoenix sylvestris; Leaf spot; Anthracnose; Phylogeny

期刊名称:CROP PROTECTION ( 影响因子:2.8; 五年影响因子:3.0 )

ISSN: 0261-2194

年卷期: 2024 年 180 卷

页码:

收录情况: SCI

摘要: Silver date palm (Phoenix sylvestris Roxb.) is an important ornamental plant in southern China. In October 2021, a serious anthracnose-like leaf spot of silver date palm was observed at a park in Haikou City, China. Some brown spots with yellow halos around the lesions appeared on the middle and lower leaves of the tree crown. The disease incidence reached 100% of trees and 32.8% of leaves. The pathogen was identified as Colletotrichum siamense by morphological characters, pathogenicity tests and multi-locus phylogenetic analyses combined with ITS, gapdh, tub2, cal and ApMat sequences. This is the first report of C. siamense causing the leaf spot of silver date palm in China.

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