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

被引：4

作者：

Yang, Jinyu ^{[1
,2
]}

Li, Min ^{[2
]}

Chen, Gengxin ^{[1
,2
]}

Sun, Jinhua ^{[2
]}

Zhang, Wu ^{[3
]}

Cui, Jiaming ^{[2
,4
]}

Wang, Yu ^{[2
,5
]}

Gong, Deqiang ^{[2
]}

Hu, Meijiao ^{[2
]}

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

来源：

CROP PROTECTION | 2024年 / 180卷

关键词：

Colletotrichum siamense; Phoenix sylvestris; Leaf spot; Anthracnose; Phylogeny; ANTHRACNOSE; SPP;

D O I：

10.1016/j.cropro.2024.106646

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

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.

引用

页数：5

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