How to prevent cracking in the late stage of tomato development

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Some of the tomato cracked fruit is centered on the fruit pedicle, and is concentrically split. Some of them are radially split with the fruit pedicle as the center, and there are irregular side cracked fruits and cracked skin. The physiological reason for the cracked fruit is that the fruit epidermis lacks elasticity and can resist the strong swell pressure from the inside of the fruit. In particular, under the conditions of high temperature and strong light in the initial stage of expansion and soil drying, the skin of the shoulder is aging. Due to rainfall or a large amount of water, the fruit rapidly expands to produce cracked fruit.

For the control measures, the crack-resistant varieties are first selected, and the new high-fat film is sprayed on the leaf surface of the field seedlings in the dry season to protect the seedling body moisture, improve the plant drought resistance factor and self-drought resistance. In the tomato young fruit stage and the expansion stage, the vegetable fruit Zingtiling is used to increase the water absorption and fertilizer absorption of the plant, increase the fruit yield and quality, reduce the fruit drop rate, and reduce the incidence of cracked fruit, stiff fruit and deformed fruit.

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