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蚜虫是蔬菜栽培中发生量最大#危害期最长的害虫。蚜虫对蔬菜的危害不仅是直接刺吸植株汁液,还排泄蜜露诱发煤污病,影响叶片光合作
Aphids are the largest pests in vegetable cultivation and the longest period of harm. The harm of aphids to vegetables is not only the direct sucking of plant juice, but also excretion of honey dew induced coal pollution, affecting leaf photosynthesis