There are two main reasons for eggplant cracking. 1. Physiological diseases: If flower buds are poorly differentiated during flowering, they are prone to malformed flowers. Malformed flowers can cause malformed or cracked fruits. Such as partial application of high nitrogen fertilizer or spray anther concentration is too high or spraying time too late, there will be abnormal or fruit cracking. 2. Large temperature difference between day and night: eggplant in the growth process, large temperature difference between day and night, crop dry matter accumulation, eggplant fruit growth, and the fruit epidermis affected by the external environment, eggplant at night when the temperature changes in the case of the so-called "tight Skin phenomenon. This inconsistent growth rate inside and outside, resulting in serious eggplant rip.
Control methods 1. Try to avoid excessive temperature difference between day and night. 2. Boron or boron-containing foliar fertilizers can be sprayed to reduce nutrient imbalances and reduce eggplant cracking.
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