How to prevent cockscomb aphids

The aphid that damages the cockscomb is mainly soybean meal. It clusters on the sprouts, leaves, and petals of celosia. It absorbs sap and affects the elongation of new shoots and the unfolding of new leaves. Soybean meal is also known as Shouqing. The wingless females are broadly ovoid, 1.5 mm in length, dark brown to brown green. The winged females are long oval in shape, about 2 mm in length and dark brown in color. The nymph is white wax powder. Soybean meal occurs in more than 10 generations in one year in East China.

Control measures for cockscomb aphids: First, when a small number of potted plant cockscombs are harmed by the family, they can be brushed and killed by brushing water, or sprayed with tobacco leaf water (1 part of tobacco leaf is added with 40-50 parts of water; after soaking for 1 day and night The kneading filter can be used). The second is chemical control. In the locust damaging period, it can be sprayed with 50% killer pine oil 1000 times or 20% fentan ester oil 2000-2500 times, and 80% dichlorvos 1500-2000 times.

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