Colletotrichum species associated with cassava anthracnose in China

被引:18
|
作者
Liu, Xianbao [1 ]
Shi, Tao [1 ]
Li, Boxun [1 ]
Cai, Jimiao [1 ]
Li, Chaoping [1 ]
Huang, Guixiu [1 ]
机构
[1] Chinese Acad Trop Agr Sci, Key Lab Monitoring & Control Trop Agr Pests, Key Lab Integrated Pest Management Trop Crops, Environm & Plant Protect Inst,Minist Agr, Haikou, Hainan, Peoples R China
关键词
Cassava; Colletotrichum; morphology; multilocus phylogeny; pathogenicity; PRIMER SETS; RESISTANCE; DIVERSITY; GLOEOSPORIOIDES; PATHOGENS; COMPLEX; CROPS; MODEL; PCR;
D O I
10.1111/jph.12765
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Anthracnose caused by Colletotrichum (CAD) is an economically important disease of cassava; however, research on its species diversity and geographical distribution of Colletotrichum in China remains limited. In this study, we investigated the phylogenetic diversity of Colletotrichum isolates associated with symptomatic leaf tissues of cassava from Guangxi and Yunnan provinces in China and aimed to confirm their identification using advanced techniques. Based on multi-locus phylogenetic analyses and phenotypic characteristics, we identified four species from the isolates, comprising C. plurivorum, C. karstii, C. fructicola and C. siamense, and we found variation in degrees of virulence among the species and between cassava varieties. Our results are the first to report these species from cassava, and they provide a basis for the development of management strategies for CAD in cassava.
引用
收藏
页码:1 / 9
页数:9
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