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

文献类型: 外文期刊

作者: Yang, Jinyu 1 ; Li, Min 2 ; Chen, Gengxin 1 ; Sun, Jinhua 2 ; Zhang, Wu 3 ; Cui, Jiaming 2 ; Wang, Yu 2 ; Gong, Deqiang 2 ; Hu, Meijiao 2 ;

作者机构: 1.Hainan Univ, Sch Trop Agr & Forestry, Haikou 570228, Peoples R China

2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Key Lab Integrated Pest Management Trop Crops, Minist Agr & Rural Affairs, Haikou 571101, Peoples R China

3.Lingnan Normal Univ, Zhanjiang 524048, Peoples R China

4.Guizhou Univ, Ctr R & D Fine Chem, Natl Key Lab Green Pesticide, Key Lab Green Pesticide & Agr Bioengn, Guiyang 550025, Peoples R China

5.Ocean Univ China, Coll Food Sci & Engn, Qingdao 266003, Peoples R China

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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