First, the rotation effect is good. Production practices and scientific experiments show that one year can reduce the incidence of 20%, 20% reduce the incidence of 30%, 3 years to reduce the incidence of 45%. 4 years reduce the incidence of about 65%.

Second, increase potash fertilizer very useful. The rate of Verticillium wilt in cotton fields with potash fertilizer and organic fertilizer was significantly lower than that of the control. Therefore, based on the Application of sufficient nitrogen, phosphorus, and trace fertilizers, the moderate fertility plot Mushi 10 kg pure potassium, farmer organic fertilizer 2 square, can reduce the incidence of Verticillium wilt.

Third, the incidence of land formation is light. Smooth cotton fields, eliminate dead land, fill in trenches, waves, and improve the drainage system. Preventing the accumulation of water in cotton fields after rain is one of the measures that cannot be ignored in the control of Verticillium dahliae in cotton.

Fourth, the original species is guaranteed. The state trials and provincial new varieties introduced by the scientific research departments are generally selected through disease nurseries and have strong disease resistance. Planting cotton seed is one of the most economical and effective measures to prevent Verticillium dahliae in cotton.

Fifth, postponement sowing disease resistance. Insect-resistant cotton is mostly medium-early-maturing varieties and the sowing date should not be too early. The early stage of sowing was low, the buds blossomed early, the seedlings emerged sooner, seedlings were stronger, and the disease resistance was enhanced.

Sixth, short-term film lift resistance. The mulch cotton should be uncovered from the bud to the early flowering period, and the mulch cotton generally enters the bud period on June 20th. During this period, the uncovering film can promote root down-barreling and improve the resistance and disease resistance of cotton. At the same time, cultivating soil through cultivators will enable the drought to be poured and the ridges to be discharged.

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