Cotton planting technology: What pests do cotton need to control in July?

What pests do you need to control in July? Please introduce the control methods. There are several diseases and insect pests that need to be controlled in July for reference: 1. Cotton yellow disease. The average incidence rate of cotton in Lianghe and Caobu Lake cotton areas is 10-25%, and the individual fields are as high as 50%. There are more heavy rains in July, and the bacteria source is extensive, which is beneficial to the expansion of diseases. Control method: 80-100 ml pyrimidine nucleoside or 80-100 ml yellow net mixed with 100 jin water evenly sprayed per mu, serious disease field continuous control 2-3 times. 2. Cotton aphids and red spiders: Due to the long-term high temperature influence, the occurrence will also be serious. In mid-July, some fields will have red leaves, and the aphids will harm the leaves, seriously affecting the normal growth of cotton. Control method: ① use special acaricide such as Guangmiyi, mite nest end to control red spider;② use aphid to control aphid, which has high efficiency. 3. Cotton bollworm: three showed an upward trend, mainly damaging early-sown bolls and late-sown cotton flowers. The control time is July 12-25, with an interval of 5 days. The main pesticides applied are: Kenda, Qibajian, Dupin, Chongdi, Suoke, and also control leaf curl insects and breeding bugs. Click for more cotton growing technology Click for more food crop growing technology