Some of the tomato cracks are centered on the fruit pedicle, concentrically split, and some are radially disintegrated around the center of the fruit pedicle. There are also irregular side splits and cracks. The physiologic cause of fruit cracking is the lack of elasticity of the fruit's epidermis, which prevents it from resisting the strong turgor pressure inside the fruit. In particular, fruit under the conditions of high temperature and light and dry soil in the early stage of enlargement, the epidermis of the shoulder of the fruit is aged, and the fruit rapidly expands due to rainfall or irrigation, resulting in cracking.
For prevention and control measures, the first choice is anti-cracking varieties. Spraying new high-fat membranes on the leaves of Daejeon seedlings in the dry season can protect the moisture of the seedlings, and increase the ability of drought resistance and self-drought resistance. And in the tomato fruit period, the expansion of the fruit spray Zhuang Ti Ting enhance plant absorption of water absorption, increase fruit yield and quality, reduce fruit drop rate, reduce the crack, stale fruit, abnormal fruit rate.
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