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INFLUENCE OF WHEAT PLANTING TIME ON INCIDENCE OF RUSSIAN WHEAT APHID
Author(s): 
Pages: 97-101
Year: Issue:  S1
Journal: Acta Entomologica Sinica

Keyword:  麦双尾蚜 播种期 冬小麦 春小麦;
Abstract: 新疆伊犁和塔城冬、春麦田的麦双尾蚜Diuraphis noxia ( Mordvilko) 有虫株率和百株蚜量,与小麦播种时间密切相关。在小麦正常播种期内, 冬小麦晚播可以显著减少麦双尾蚜数量, 每晚播种10 天, 第二年麦双尾蚜有虫株率可以下降40 % ~70% ; 春小麦每晚播种10 天, 麦双尾蚜有虫株率增加30 % ~88 % 。
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