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Analysis of variation in isolates of Rhizoctonia solani by random amplified polymorphic DNA assay
Journal article   Open access   Peer reviewed

Analysis of variation in isolates of Rhizoctonia solani by random amplified polymorphic DNA assay

S. Duncan, J.E. Barton and P.A. O'Brien
Mycological Research, Vol.97(9), pp.1075-1082
1993
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Abstract

Genetic variation in Australian isolates of Rhizoctonia solani was analyzed by random amplified polymorphic DNA (RAPD) assay. Isolates originated from different geographic locations in Australia and belong to a number of different anastomosis and pectic zymogram groups. Using four different oligonucleotide primers fingerprint patterns were generated for each isolate. All of the anastomosis and pectic zymogram groups (including subgroups) tested could be distinguished. For some groups there was considerable variation in the fingerprint patterns between isolates. This variation was more marked between isolates from different geographic locations. Other groups showed very little variation between isolates. RAPD-PCR analysis is a very useful alternative to anastomosis grouping for identification of isolates of R. solani.

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3 Agriculture, Environment & Ecology
3.97 Plant Pathology
3.97.556 Microbial Biocontrol
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Mycology
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Plant & Animal Science
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