Symptoms Physiological curls often appear during tomato growth. Most of the first fruit branches develop disease. Sometimes the whole plant suddenly develops disease. The leaves are curled, shrunken, tube-shaped, and brittle, causing the fruit to be directly exposed to sunlight, affecting the fruit. Inflated. Prevention and control measures 1. The development of strong seedlings should be performed for physiological leaf rolling diseases, and the land plot should be cultivated in high-dryness and well-drained land, and the top dressing should be properly watered so that the plants can grow robustly without being too long. Drain the water immediately after the rain. Drought-resistant exercises are performed after planting until fruit set. 2, timely picking the heart, moderate moderate pruning. To maintain a reasonable leaf area, we must prevent prosperous growth and prevent premature aging. 3. Strengthen the management of fertilizers and waters. According to the growth and development of tomatoes, regulate the temperature and humidity in the sheds and avoid excessive drought. However, after drought, avoid replenishing hot water at noon, so as to avoid a sudden drop in ground temperature, the root system can not adapt to water absorption and frustration, causing physiological drought and increase the rolling leaf. Nutrition Supplement,Food Grade Vitamin,Dietary Supplement,Nicotinamide Mononucleotide Capsule Hunan Insen Biotech Co., Ltd , https://www.insenhealth.com