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Resistance to thiabendazole in isolates of Polyscytalum pustulans (skin spot) and Fusarium solani var. coeruleum (dry rot) in Scotland
Author(s) -
CARNEGIE S. F.,
CAMERON A. M.
Publication year - 1992
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1992.tb02460.x
Subject(s) - biology , dry rot , fusarium solani , pesticide resistance , agar , horticulture , fungi imperfecti , botany , veterinary medicine , agronomy , pesticide , bacteria , medicine , genetics
Between 1988 and 1991, isolates of Polyscytalum pustulans were obtained from potato tubers grown in Scotland and tested for sensitivity to thiabendazole (TBZ) on agar. Sensitive isolates did not grow at 1 mg TBZ/1, whereas growth of resistant isolates was unaffected at 1 mg and reduced by 10–30% at 10 mg/1. Resistant isolates were present on all classes of seed potatoes, and were also recovered from the air of stores during grading. Isolates from a stock of seed tubers from Northern Ireland were resistant. All 44 isolates of Fusarium solani var. coeruleum collected in 1991 were sensitive to TBZ.
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