Physiological fruit cracking of tomato is caused by high temperature, hot sun, drought and heavy rain in the late fruit development period or during the color conversion period. It takes fruit pedicle as the center and extends to the shoulder of the fruit, showing a radial shallow crack, mostly appearing before fruit ripening.
Control methods:
1. Disease-resistant varieties can be selected when planting;
2, to strengthen field management; In addition to the traditional management and protection, we must spray a new high-fat membrane on the surface of the tomato to form a protective film, to avoid direct contact with rain and fruit surface, improve the tomato fruit surface gloss, coloring degree.
3, timely fertilization; spray calcium fertilizer and boron borax and other components of the aqueous solution plus fruit Zhuang Ti Ling, increase fertilizer efficiency, coordination of tomato nutrition, prevent fruit peel aging produce cracking.
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