Assessing the genetic diversity of grape ripe rot pathogen Colletotrichum using SRAP markers
文献类型: 外文期刊
第一作者: Huang, Y. Q.
作者: Huang, Y. Q.;Zang, C. Q.;Li, L. X.;Xie, J. H.;Liang, C. H.;Bai, Y. J.
作者机构:
关键词: cluster analysis;Colletotrichum gloeosporioides;polymorphic richness;similarity coefficient
期刊名称:MYCOSPHERE ( 影响因子:4.211; 五年影响因子:2.866 )
ISSN: 2077-7000
年卷期: 2016 年 7 卷 8 期
页码:
收录情况: SCI
摘要: Grape ripe rot caused by species of Colletotrichum is one of the most serious grape diseases worldwide. Information on the genetic variation and population structure of grape ripe rot pathogens would help to develop the theoretical framework of disease occurrence and prevention, epidemic dynamics, and control technologies. In this study, twenty five Colletotrichum gloeosporioides strains isolated from grape diseased samples that were collected from 17 different locations in China were analyzed using six sequence-related amplified polymorphism (SRAP) primer pairs. In total, 164 discernible bands were obtained. Of which 156 showed high polymorphism at a rate of 95.12%. Cluster analysis revealed that the 25 C. gloeosporioides strains had a close genetic relationship and rich genetic diversity with similarity coefficients that ranged from 0.61 to 0.95. The data also demonstrated that no correlation was identified between the isolates or SRAP groups and their geographical distribution.
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