INVESTIGATIONS ON SIDE-EFFECTS OF MARGOSAN-O ON ENCARSIA-FORMOSA GAH (HYM, APHELINIDAE), PARASITOID OF THE GREENHOUSE-WHITEFLY, TRIALEURODES-VAPORARIORUM WESTW (HOM, ALEYRODIDAE)

被引:21
作者
FELDHEGE, M [1 ]
SCHMUTTERER, H [1 ]
机构
[1] UNIV GIESSEN,INST PHYTOPATHOL & ANGEW ZOOL,LUDWIGSTR 23,W-6300 GIESSEN,GERMANY
来源
JOURNAL OF APPLIED ENTOMOLOGY-ZEITSCHRIFT FUR ANGEWANDTE ENTOMOLOGIE | 1993年 / 115卷 / 01期
关键词
D O I
10.1111/j.1439-0418.1993.tb00361.x
中图分类号
Q96 [昆虫学];
学科分类号
摘要
In order to achieve more information on the side-effects of neem products on beneficial organisms, investigations were conducted on Encarsia formosa, a parasitoid of the greenhouse whitefly Trialeurodes vaporariorum. Of special interest was the evaluation of the influence on the parasitoid's longevity, emergence and capacity of parasitism after indirect contact with Margosan-O. The results showed that the application of 10 ppm azadirachtin was relatively non-toxic, whereas the concentration of 20 ppm led to a slight but significant reduction of the fitness of E. formosa.
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页码:37 / 42
页数:6
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