Major damage to the ground. Prevention methods are as follows:
1 Agricultural measures: Remove residual disease, deepen the soil, and change crops. Select disease-free seeds, disinfect seed treatment, strengthen field management, reasonably close planting, and increase phosphate fertilizers.
2 Chemical control: In the initial stage of disease, 50% acetaminophen wettable powder 1500 times, or 50% fast koning WP 2000 times, or 40% polysulfide suspension 500 to 600 times, spray control.
1 Agricultural measures: Remove residual disease, deepen the soil, and change crops. Select disease-free seeds, disinfect seed treatment, strengthen field management, reasonably close planting, and increase phosphate fertilizers.
2 Chemical control: In the initial stage of disease, 50% acetaminophen wettable powder 1500 times, or 50% fast koning WP 2000 times, or 40% polysulfide suspension 500 to 600 times, spray control.
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