The symptoms of cotton verticillium wilt and treatment measures, cotton verticillium wilt has always been the most troublesome thing in many diseases of cotton. Verticillium wilt has a great impact on the yield and quality of cotton. If cotton wilt is not timely Treatment will cause greater damage to cotton production, generally reducing production by 10% to 30%, and serious land production reductions of up to 80% or even no harvest.
Symptom picture of cotton verticillium
The main symptoms of cotton verticillium wilt are obvious. After the cotyledon is damaged, water-stained small spots appear. When the posterior slice is true, the diseased plants are slightly shorter and plaques appear on the leaves. The diseased plant first appeared in the lower leaves with palmar spots, such as watermelon skin. Finally, the edges and mottled leaves of the diseased leaves brown and die. The xylem vessels such as stems and petioles of the diseased plants are brown. When it is rainy in autumn, white powdery mildew is formed on the mottled leaves of the diseased leaves.
At present, in the prevention and control of cotton verticillium wilt, in addition to selecting seeds that can resist verticillium wilt, it is also necessary to pay attention to the fact that when planting, it is necessary to do the rotation as much as possible. When fertilizing, pay attention to the application of potassium fertilizer, potassium fertilizer and organic fertilizer. The rate of the diseased strain of Verticillium wilt was significantly lower At the same time, through cultivating and cultivating soil, it can achieve drought and can be poured, and it can be discharged. This has certain curative effect on verticillium wilt.
URL: Symptoms and treatment of cotton verticillium wilt
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