DIFFERENTIATION AND DIAGNOSIS OF PSEUDOCERCOSPORELLA-HERPOTRICHOIDES (FRON) DEIGHTON WITH GENOMIC DNA PROBES

被引：10

作者：

FREI, U ^{[1
]}

WENZEL, G ^{[1
]}

机构：

[1] FED BIOL RES CTR AGR & FORESTRY,INST RESISTANCE GENET,D-85461 GRUNBACH,GERMANY

来源：

JOURNAL OF PHYTOPATHOLOGY-PHYTOPATHOLOGISCHE ZEITSCHRIFT | 1993年 / 139卷 / 03期

关键词：

D O I：

10.1111/j.1439-0434.1993.tb01421.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Repetitive genomic clones were used to differentiate between varieties within the species Pseudocercosporella herpotrichoides. From 21 clones tested 13 revealed restriction fragment length polyrnorphisms among isolates. Cluster analysis was performed based on these data. Differentiation of isolates according to growth speed corresponds better to genetic information than differentiation on the basis of spore morphology. Pathogen-specific probes can be used in early diagnosis of the pathogen in infected plant material. Furthermore polymorphic pathogen-specific probes allow varieties to be differentiated directly in infected plant material without isolation and culture of the fungus.

引用

页码：229 / 237

页数：9

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