What if cherry tomatoes are found to have leaf mold?

Cherry tomatoes found leaf mold how to do? Cherry small tomato leaf mold can be controlled in this way: First, the symptoms mainly harm the leaves, and seriously harm the stems, flowers and fruits. Leaves infected, irregular or oval pale yellow chlorotic spots appear on the leaves, white mold layer on the back of the infected part, and the mold layer turns gray brown or black brown velvety in the later stage. Under suitable conditions, black mold can also grow on the front of the disease spot, and with the expansion of the disease, the leaves gradually curl from bottom to top, and the plant is yellow-brown and dry. Fruit disease, fruit near the pedicel or fruit surface to form a black round or irregular patches, hardened depression, can not be eaten. Young stems or fruit stalks infected, symptoms similar to leaves. 2. Control methods 1. Rational rotation. More than 3 years rotation should be carried out in areas with heavy disease to reduce the initial infection source. 2. Soak seeds. Select disease-resistant varieties. Soak seeds in warm water at 53℃ for 30 minutes before sowing. Dry and sow. 3. Strengthen management and protection. Strengthen the temperature and humidity management in the shed, ventilate in time, control watering properly, discharge moisture in time after watering, so as to form temperature and humidity conditions unfavorable to the occurrence of germs, plant densely appropriately, prune branches in time; apply fertilizer according to formula, avoid excessive nitrogen fertilizer, and improve the disease resistance of plants. 4. Chemical fumigation. Before planting, fumigate the greenhouse or greenhouse with sulfur powder. In every 55 cubic meters of space, mix 0.13 kg of sulfur and 0.25 kg of sawdust, ignite them, seal the greenhouse before planting, and fumigate for 24 hours. At the initial stage of the disease, 45% chlorothalonil smoke agent can be used 250 grams per mu of shed every time, smoked overnight. 5. Smart application of powder. Spraying 7% Yemeijing dust or 5% Garinone dust or 6.5% Metabolin ultrafine dust in the evening, 1 kg per mu, once every 8~10 days, alternate application. 6. Spraying chemicals. At the early stage of disease, spray Wuyimycin aqueous solution 100~150 times or 47% Garinon wettable powder 700~800 times or 50% polymefene wettable powder 800 times or 40% Yimeiwei wettable powder 400 times, spray 50~65 liters per mu. Spraying once every 7~10 days, continuous spraying 2~3 times. Click to see more cherry tomato planting technology Click to see more fruit planting technology