Prevention and treatment of peanut sheath blight
Peanut sheath blight generally begins to occur in large numbers in mid-June. Comprehensive prevention measures are as follows:
A good ditch should be opened for the lower plots to facilitate the removal of water and reduce the water level; peanuts on the slopes should also be well-opened so that no water accumulates after rain.
Increase calcium and potassium fertilizers. After the initial flowering period, combined with soil recultivation, 40 to 25 kg of lime per mu, or 15 to 25 kg of lime and 15 kg of plant and wood ash, can enhance plant disease resistance.
To do early investigation early governance. In the flowering period, timely inspection, when the disease rate of 20%, should immediately spray control. Available Jinggangmycin 800 times, or 75% chlorothalonil 500 ~ 600 times spray.
The spray should be uniform, and both the upper and lower blades and the front and back of the blade should be sprayed. Heavy rain should be sprayed after heavy spraying. Each time about 75 kilograms of spray liquid per acre is sprayed again 8 to 10 days after the first spray. Do not spray under the hot sun at noon.
A good ditch should be opened for the lower plots to facilitate the removal of water and reduce the water level; peanuts on the slopes should also be well-opened so that no water accumulates after rain.
Increase calcium and potassium fertilizers. After the initial flowering period, combined with soil recultivation, 40 to 25 kg of lime per mu, or 15 to 25 kg of lime and 15 kg of plant and wood ash, can enhance plant disease resistance.
To do early investigation early governance. In the flowering period, timely inspection, when the disease rate of 20%, should immediately spray control. Available Jinggangmycin 800 times, or 75% chlorothalonil 500 ~ 600 times spray.
The spray should be uniform, and both the upper and lower blades and the front and back of the blade should be sprayed. Heavy rain should be sprayed after heavy spraying. Each time about 75 kilograms of spray liquid per acre is sprayed again 8 to 10 days after the first spray. Do not spray under the hot sun at noon.
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