Survey of benomyl resistance in Pseudocercosporella herpotrichoides on winter wheat and barley in England and Wales in 1983
作者： J. E. KING , M. J. GRIFFIN
DOI: 10.1111/J.1365-3059.1985.TB01359.X
关键词:
摘要: Surveys of 528 randomly selected commercial fields in England and Wales 1983 showed that isolates Pseudocercosporella herpotrichoides resistant to benomyl were common widespread on winter wheat barley. During June July strains recovered from 16 66% the proportion was 37–52%. The frequency occurrence positively correlated with number applications carbendazimgenerating (MBC) fungicides during previous 8 years. Benomyl resistance found 21–48% where it claimed MBC had never been used, 7–28% those fields, resistant. Resistance more frequent R-type than W-type pathogen. decreased as crops rose increased barley grown sprays applied implications these findings for control eyespot are discussed.
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