Release of two predators and two parasitoids to control aphids and whiteflies

被引：25
|
作者：
Zaki, FN
El-Shaarawy, MF
Farag, NA
机构：
[1] Natl Res Ctr, Dept Plant Protect, Cairo, Egypt
[2] Ain Shams Univ, Fac Agr, Dept Entomol, Cairo, Egypt
来源：
ANZEIGER FUR SCHADLINGSKUNDE-JOURNAL OF PEST SCIENCE | 1999年 / 72卷 / 01期
关键词：
Aphid Population; Green Peach Aphid; Mass Rear; Honey Solution; Green Lacewing;
D O I：
10.1007/BF02770616
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
The potential of the two predators, Chrysoperla carnea Steph. and Coccinella undecimpunctata Reich., as well as the two parasitoids Diaeretiella rapae and Eretmocerus mundus in an open field and under green house were conducted after several releases against Aphis gossypii, A. fabae, Brevicorine brassicae and Bemisia tabaci. Double releases of C. carnea (1:5 predator: aphids) achieved 100% reduction in A. gossypii after 12 days, A single release of C. undecimpunctata (1:50 predator: aphids) resulted in 99.97% reduction in the same aphid. Releasing of D. rapae to control B. brassicae at the rate of 1:50 resulted in 29% parasitism. Releasing E, mundus for the control of B. tabaci in cabbage at the rate of 5 adults/m(2) resulted in 32% parasitism. Three releases of C. undecimpunctata adults in a greenhouse cultivated with soybean, decreased A. fabae population from 207 to 7.6 aphids/plant.
引用
收藏
页码：19 / 20
页数：2
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