天敌对新疆麦双尾蚜的控制作用

Abstract

Abstract: The natural enemies were evaluated for their effects on the Russian wheat aphid (RWA), Diuraphis noxia (Mordvilko), in spring wheat field in Tacheng and Hami, Xinjiang Uygure Autonomous Region. The aphid number increased 4.4～8.3 times in the caged spring wheat seedlings compared with that in the uncaged plants in July. In Tacheng spring wheat field, Leucopis annulipes and Aphelinus albipodus showed greater suppressive effects on the increase rates of RWA than other natural enemies did in 1994 according to correlation and path analyses. Spiders and coccinellids, however, played more important role in controlling the aphid in 1996.

Key words: Russian wheat aphid (Diuraphis noxia (Mordvilko)), natural enemies, control efficiency, Xinjiang Uygur Autonomous Region

Liang Hong-bin,Zhang Run-zhi,Wang Guo-ping,Wen Yong-lin,Yan Ping. IMPACT OF NATURAL ENEMIES ON RUSSIAN WHEAT APHID IN XINJIANG UYGUR AUTONOMOUS REGION[J]., 1999, 42(-1): 86-91.

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IMPACT OF NATURAL ENEMIES ON RUSSIAN WHEAT APHID IN XINJIANG UYGUR AUTONOMOUS REGION

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