Falling flowers, falling fruits, fallen leaves, known as the "three falls" of pepper. The reasons for the “three falls” of peppers are more complex, but in general, there are mainly the following points: 1 Because of the early low-temperature weather, pollination and insemination were poor, causing early flowering and fruit drop. 2 improper fertilization, resulting in falling flowers, such as partial nitrogen fertilizer or inadequate, causing vegetative growth and reproductive growth imbalance, which led to falling, fruit drop. 3 Soil and air are too dry, affecting root absorption and leaf transpiration resulting in falling flowers and fallen leaves. 4 improper irrigation, resulting in dead plants or falling flowers, fallen leaves, such as high temperature in the afternoon with turbid water fast pouring, resulting in weakened or damaged plant root absorption, plant death or flowering. The correct method is: In the morning or evening, slow irrigation with water. 5 Due to the high temperature and drought conditions, diseases and insect pests occur, causing flowering and fruit drop.

The key measures for preventing the “three falls” of peppers are: nurturing strong seedlings, strengthening management of fertilizers and waters, and strengthening the resistance of plants, especially in the hot season, timely top dressing, irrigation or drainage. Ground cover is needed when necessary to reduce soil surface temperature, reduce rain erosion, and protect the root system. In the annual production and management of peppers, root growth, root protection, hair rooting, and root development should be promoted to promote the normal growth and development of peppers so as to prevent the "three falls". In addition, some growth regulation benefits can also be used, such as 25-30 PPM anti-dropping agents sprayed at the flowering period, can receive good results.

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