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利用大棚“杂草”——艾蒿繁殖瓢虫防治甜瓜棉蚜入夏时分,甜瓜棚室四周覆盖的多是蕨菜和艾蒿。但是对甜瓜危害严重的棉蚜几乎不接近甜瓜植株,却在艾蒿中间发现了肥大的棉蚜。起先还以为艾蒿是棉蚜的繁殖基地。这种叫作姬小长管蚜虫,特别喜欢吃艾蒿等菊科植物。另外,棉...
The use of greenhouse “weed” - Artemisia to reproduce ladybug control Melon cotton aphid into the summer hours, mostly surrounded by melon greenhouse cover is bracken and Artemisia. However, the aphids that harm the melon are almost not close to the melon plants, but the maize aphids are found in the middle of the mugwort. At first thought that mugwort is a cotton aphid breeding base. This is called Ji long tube aphids, especially like to eat wormwood and other composites. In addition, cotton ...