Causes of tomato drop and fruit drop: (1) Obstruction of reproductive development. If the temperature is too low or too high, and the flowering period is too wet, it can affect the germination and growth of pollen and cause poor fertilization. (2) Malnutrition. Due to insufficient soil nutrient and water supply, roots are stunted, soil temperature is too low, light is insufficient, pruning is not timely, plants are lengthy, and nutrient imbalance in the distribution of plants can also lead to falling, falling fruit. Prevention: 1. Agricultural technology: Improve the microclimate in the protected area, adjust the temperature and humidity, apply sufficient fertilizer, enhance light, and regulate growth. Drought should be watered in time, and the water should be drained to ensure that the plants have adequate nutrition and pruning is reasonable. 2. Physical methods: Vibrating pollination, vibrating open flowers on sunny afternoons. 3, chemical methods: with Shennong tomato high yielding agent No. 2 opening the flowers, every 2-3 days once. Droplet, tomato spirit can also be used. When there are 2 to 3 flowers on each inflorescence, spray once. The concentration varies with temperature and humidity. When the temperature is high, the concentration is appropriately lower; when the humidity is high, the concentration is lower. When spraying, use a hand to block it so as not to spray on the foliage. Medical Drying Cabinet,Disinfection Drying Cabinet For Medical,Surgical Instruments Drying Cabinet,Disinfection Drying Cabinet Taizhou Gaogang District Dixin Medical Equipment Co., Ltd. , https://www.dixinmedical.com
The main technical measures to prevent tomato drop and fruit drop