In recent years, the occurrence of yellow wilt disease in cotton has become increasingly serious, resulting in a large area of ​​cotton production. According to the survey, the incidence of yellow cotton wilt in the provinces of Shandong and Hebei accounted for about 60% of the sown area in 2004. The production practice shows that the new green environmental protection product, Lvfeng, extracted and concentrated by traditional Chinese medicine developed and researched by Wuhan Fuqiang Science and Technology Development Co., Ltd., has a significant effect on the control of cotton brown wilt disease. The product is based on the principle of “prevention from prevention and treatment from the principle of supplementation.†It can adopt a combination method of dipping (mixing) seeds and spraying with roots and spraying. It is applied once every 7-10 days before onset of disease. 3 times, can effectively prevent the occurrence of cotton brown wilt. Combining the backswinged leaves with the roots in the cotton field where brown wilt disease has already occurred can quickly stop the spread of the brown wilt disease in the short term and restore the growth performance of the cotton itself.
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