Control of Peanut sheath Blight

Peanut sheath blight generally began to occur in the first and middle of June. Comprehensive control measures are as follows: ditches should be opened for lower fields in order to remove stagnant water and lower water level, and peanuts on sloping land should also be ditched so that there is no stagnant water after rain. Increase the application of calcium and potassium fertilizer. After the initial flowering stage, combined with accumulated soil to cultivate the border, the application of lime 40 kg / mu or the mixture of lime and plant ash of 15 kg / mu or 25 kg / mu could enhance the disease resistance of the plant. Early detection and early treatment. Timely inspection in the flowering period, when the disease rate is about 20%, should immediately spray prevention and control. Can use Jinggangmycin 800 times liquid, or 75% chlorothalonil 500 times 600 times liquid spray. Spray should be uniform, upper and lower leaves, both sides of the blade should be sprayed. In case of heavy rain after spraying, spray again. Each time the spray liquid is about 75 kg per mu, and it is sprayed again 8-10 days after the first spray. Do not spray in the hot sun at noon.