The red spider is an aphid pest, and the main threat to peanuts is cotton red spider, which is the most serious from June to July. The damage is concentrated on the back of the leaves, forming a cobweb, sucking leaf meal, destroying chlorophyll, and affecting the photosynthesis of the leaves. The victim leaves first appeared yellow-white spots and the edges curled. When the damage is light, the leaves stop growing. When the damage is serious, the leaves fall off and the plants die. It is recommended to use 45% chlorpyrifos 20 ml and 5% avermectin 20 ml, spraying after 5 pm and without wind.
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