Molecular characterization of Colletotrichum species causing soybean anthracnose in Argentina

被引：7

作者：

Ramos, Araceli M.

Franco Tadic, Luis

Cinto, Isabel

Carmona, Marcelo

Gally, Marcela

机构：

[1] Departamento BBE, FCEN (UBA), PROPLAME-PRHIDEB (CONICET)

[2] Cátedra de Fitopatología, Facultad de Agronomía, UBA C.A.B.A.

来源：

MYCOTAXON | 2013年 / 123卷

关键词：

Glomerella glycines; teleomorph; genetic diversity; VEGETATIVE COMPATIBILITY GROUPS; CAUSAL AGENT; TRUNCATUM; PATHOGEN; BIOLOGY; AFLP;

D O I：

10.5248/123.457

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Twenty-six isolates obtained from soybean crops (Glycine max) with typical anthracnose symptoms were identified as Colletotrichum truncatum (73 %) and C. destructivum (26 %). Their genetic relationships were studied using the AFLP method. A UPGMA phenogram divided the strains into two clusters corresponding with the two species. Genetic distances based on association coefficient were 0.71-0.89 among the 18 C. truncatum strains and 0.67-1 among the eight C. destructivum strains. Genetic variability within species, measured in terms of percentage of polymorphic loci, was high (<90%). Only two isolates showed 100% similarity, suggesting high intraspecific variability.

引用

页码：457 / 465

页数：9

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