How is peanut clump disease caused? How to prevent and cure?
How is peanut witches broom disease caused? How to prevent? (1) Pathogenesis rule: Peanut witches broom disease may be caused by seedling protoplasm or mycoplasma combined with virus infection. Seed, soil are not transmitted disease, grafting can be infectious. Other insects and sap are being studied for transmission. The occurrence of peanut witches 'broom disease is related to cultivation measures. Generally, the disease is serious in sandy soil and light in sticky soil; serious in dry land and light in wet land; light in good seed quality and serious in poor seed quality; light in good peanut growth and serious in poor peanut growth; serious in continuous cropping field and light in rotation field. The disease is more serious in dry years and more serious in rain after a long drought. The vine variety is more seriously ill than the erect variety. The leafhopper is seriously ill in the year of occurrence. (2) Control measures: ① timely sowing. (2) Strengthen fertilizer and water management to promote healthy growth of peanuts and improve disease resistance. Remove suspicious diseased plants and weed hosts in time. (3) Remove the diseased plants in the field in time. Spraying before peanut flowering to control leafhopper and other vectors.
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Key Techniques for High-yielding Cultivation of Peanut
China's peanut planting area is about 70 million mu, accounting for 1/3 of the country's oil production area, the total output of 48% of the country's total oil production, ranking first among oil crops. Peanut farming methods With the continuous innovation of cultivation techniques and the selection and promotion of early-maturing varieties, peanut farming systems are also ripe from one year to one year.
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Good control effect of diseases and insect pests during peanut sowing
Peanut pests and diseases harm many kinds, wide range of occurrence, serious harm. Due to the different occurrence, distribution, epidemic law, harm period and living habit of various diseases and insect pests, it is difficult to prevent and control them in suitable period. Practice shows that when sowing, pest control can save peanuts caused by pests and diseases.
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