Symptoms of disease: Before or during harvest of tomato, the first fruiting branch leaves slightly, or the leaves of the whole plant are simple and brittle, causing the fruit to be directly exposed to sunlight, affecting fruit enlargement, or causing sunburn. The disease sometimes suddenly occurs. Incidence patterns: mainly related to soil, irrigation and management. When the temperature is high or there is a lack of water in the field, the tomato closes the stomata, causing the leaves to fold up or curl up and appear as physiological leaf curls. Prevention: (1) Drought-resistant exercises after planting. (2) The use of formula fertilization method to timely and adequate fertilizer supply to ensure adequate moisture on the soil. (3) Cultivation of shaded nets covering cultivation (4) Do a good job of pruning in time. (5) Select resistant varieties, such as early-feng, etc., and Beijing 10, early kuei leaf weight. (6) Correct use of plant hormones. (7) Control locusts in time. Bulk Garlic Powder,Bulk Organic Garlic Powder,Minced Garlic Powder,Ried Garlic shandong changrong international trade co.,ltd. , https://www.changronggarliccn.com