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麦蚜是我区麦类作物的主要害虫,它不仅直接为害青稞,小麦和玉米,而且又是麦类黄矮病,黄条花叶病的主要传毒者。消灭麦蚜,可以控制或减轻黄矮病及黄条花叶病的发生。一、麦蚜及其防治 1.麦蚜:俗名腻虫。为害麦类的蚜虫主要有麦长管蚜、麦二叉蚜、黍缢蚜和玉米蚜等四种,在苗期和穗期都有发生。麦二叉蚜为害苗期为主;麦长管蚜和黍缢蚜为害穗期为主;玉米蚜在苗期多发生在心叶中,麦株成长后,在剑叶叶鞘处为害,也有部份侵入麦穗的。我区为害小麦、青稞的麦蚜主要是麦长管蚜和麦二叉蚜。
Wheat aphid is the main pest of wheat crops in our district, which is not only harmful to barley, wheat and corn, but also wheat yellow dwarf and yellow tick mosaic virus. Eliminate wheat aphids, can control or reduce the occurrence of yellow dwarf disease and yellow mosaic disease. First, the wheat aphid and its prevention and treatment 1 wheat aphid: Common name greasy worm. Wheat aphids harm mainly wheat aphid, wheat aphid, aphid and corn aphid four kinds of millet and spike occurred. Wheat aphid mainly harm seedling stage; wheat aphid and Aphis gossypii; heading stage; corn aphid occurred in the heart leaves at seedling stage, wheat growth, damage in the leaf sheath at the flag leaf, but also some Invasive wheat ears. My area of ?? wheat, barley wheat aphids are mainly wheat aphid and wheat aphids.