Red spider is one of the main pests in summer and autumn mulberry fields. It inhabits on the back of the mulberry leaves and is harmed along the veins. It seriously threatens the yield and quality of mulberry leaves and directly affects the production of silkworm cocoons. Measures must be taken to strengthen prevention and control. Agricultural control Winter plowing, timely removal of weeds and mulberry field crops, a thorough cleaning of the garden, reduce the winter spider, winter spiders base number. In combination with summer buds and feeding early and late autumn silkworms, remove the lower red spider mites to prevent proliferation hazards. The promotion of planting new varieties of mulberry with strong resistance, such as Greater China, Shengdong No.1, Nongsang series, and Sericulture Special No.4, has a significant effect on reducing red spider damage. Chemical control After the spring silkworm rearing, the new species of mulberry, spring cutting mulberry and mulberry field weeds are comprehensively controlled to cut off transitional bridge worms and prevent the spread to the summer mulberry. The medication was administered around July 20, July, and late August. Immediately after the end of the silkworm period, medication was used to control the phylum. When spraying Mulberry leaves both sides, re-spraying the leaves, spray 100 kg per mu. Pharmacy use 73% Kezi 2000x (residue period 3-5 days), 50% kill Qilong 3000 times (residue period 7-10 days), 20% dicofol 1500 times (residue period 7-10 days) , have better control effect. When the population of insect population is high, it is better to use 73% Krypton. Silkworm control with 10% Liuyangmycin 2000 times (residual period 2 days).
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