Vegetative Compatibility Groups and Pathogenicity of Verticillium dahliae Isolates from Potato Plants in Erzurum Province
Abstract
One hundred eleven isolates of Verticillium dahliae were obtained from potato plants in Erzurum province, Turkey. The pathogen was isolated from 7.6% of the stems collected. All isolates were assigned to vegetative compatibility groups (VCGs) using nitrate-nonutilizing (nit) mutants. In total, 240 nit mutants were obtained from V. dahliae isolates, and classified as nit1 (71%) and nitM (29%). Two VCGs were found and identified as VCG 2B (34 isolates) and VCG 4B (77 isolates) by using tester isolates of known VCGs. Pathogenicity of V. dahliae isolates was tested on potato (cv. Marfona) by the root-dip method. Both VCG 2B and VCG 4B isolates showed similar aggressiveness on potato. This is the first study of VCGs of V. dahliae isolates from potato plants in Turkey.
Keywords
Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Publication Date
June 4, 2012
Submission Date
March 31, 2012
Acceptance Date
-
Published in Issue
Year 2012 Volume: 18 Number: 2
Cited By
Determination and Pathogenicity of Verticillium dahliae Isolates Obtained from Tomato Plants (Solanum lycopersicum L.) in the Iğdır Province
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