EFFECTS OF STEROL BIOSYNTHESIS INHIBITOR FUNGICIDES ON GROWTH AND STEROL COMPOSITION OF USTILAGO-MAYDIS, BOTRYTIS-CINEREA AND PYRENOPHORA-TERES

被引：27
|
作者：
LOEFFLER, RST
HAYES, AL
机构：
[1] Department of Agricultural Sciences, University of Bristol, AFRC Institute of Arable Crops Research, Long Ashton Research Station, Bristol, BS18 9AF, Long Ashton
来源：
PESTICIDE SCIENCE | 1992年 / 36卷 / 01期
关键词：
D O I：
10.1002/ps.2780360103
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The effects of the sterol biosynthesis inhibitor (SBI) fungicides fenarimol, fenpropimorph, imazalil, prochloraz, propiconazole and triadimenol on growth and sterol composition of Ustilago maydis, Botrytis cinerea and Pyrenophora teres, grown from spores or sporidia in liquid culture, were determined. Growth of U. maydis was only slightly inhibited by SBI fungicides at concentrations which caused considerable changes in both sterol content and composition. Conversely, in B. cinerea and P. teres, growth was strongly inhibited under conditions where ergosterol was still the predominant sterol, suggesting that, in these two fungi, growth may be more sensitive to SBI fungicides than overall sterol production. Demethylase inhibitor fungicides behaved as a homogeneous group in their effects on growth and on sterol profiles of the three fungi studied.
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页码：7 / 17
页数：11
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