Late blight provides timely ventilation and dehumidification to reduce air humidity, timely pruning, snoring, and removal of the old leaves to improve lighting conditions. The diseased plants were found to be removed immediately and controlled with chemicals. Each area was fumigated with 45% chlorothalonil, or one kilogram of chlorothalonil dust was sprayed.
Botrytis cinerea uses sterile soil to prepare nutrient soil, and the bed surface is disinfected with 50% carbendazim 500 times; strengthen ventilation management to reduce air humidity and prevent condensation of leaves; air humidity should be kept below 80% to avoid cloudy days Watering; clean the garden, timely removal of diseased fruit, diseased leaves. Prior to colonization, seedlings were sprayed with 50% Sulfonyl 1500x or 50% Carbendazim 500x to prevent any risk.
Early blight is also known as ring disease. Seed treatment, crop rotation, reasonable dense planting; strengthen field management, appropriate watering, timely ventilation and humidity; increase phosphorus, potassium fertilizer, improve plant resistance; timely removal of diseased fruit, diseased leaves. 45% chlorothalonil per acre, or 10% quick-silk aerosol 200~250 grams fumigation, or use 50% carbendazim WP 500 times, 50% thiophanate-methyl 800 times, 50% speed Keling 1000 times spray control, spray once every 7 days, even spray 3 to 4 times.
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