Tomato gray mold. Use sterile soil to prepare nutrient soil. The bed surface is disinfected with 50% carbendazim 500 times. Strengthen ventilation management to reduce air humidity and prevent condensation at leaves. Air humidity should be kept below 80% to avoid cloudy watering or After the watering, it was even cloudy; clean the garden, timely removal of diseased fruit, diseased leaves. Prior to colonization, spray the seedlings with 50% fast keratin 1500 times solution or 50% carbendazim 500 times to prevent problems.
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