Acta Phytopathologica et Entomologica Hungarica (2005) 40, 289-294

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E. Zándoki, Sz. Szôdi and Gy. Turóczi (2005)
Vegetative compatibility of Sclerotinia sclerotiorum (Lib.) de Bary strains isolated in Hungary
Acta Phytopathologica et Entomologica Hungarica 40 (3-4), 289-294
Abstract: Similarly to other Ascomycetes, Sclerotinia sclerotiorum isolates of the same vegetative compatibility groups are able to form heterokaryons. However, little information exists on vegetative compatibility groups (VCGs) within this species. The aim of our study was to examine vegetative compatibility among 29 Hungarian field isolates of S. sclerotiorum. Lines resistant to one of 2 different fungicides (procymidone and tebuconazole) were used to test heterokaryon formation. Thirteen VCGs have been identified, 6 of them containing more than one strains. Twenty-one strains were compatible with at least one another. Strains isolated from different locations never belonged to the same VCG. Results suggest that there are a great number of VCGs in S. sclerotiorum.
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Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
pesticide resistance of pest

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Sclerotinia sclerotiorum Hungary