Green jujube fruit is prone to bacterial infection in the winter, causing rotten fruit drop. The fruits of winter bagging will be even more severe if infected with the disease. Therefore, before the bagging of the green jujube, we must pay attention to the prevention and control of the disease, and eliminate the bacteria before the bagging.
About 10 to 15 days after the flowering of the autumnal jujube, and the size of the young fruit of the jujube when the diameter is 2 to 3 cm, the leaf surface is sprayed once 2000 times 52.5%?f-fuconazole urea cyanide water dispersible granules aqueous solution, or 800 times 80% aqueous solution of Zn-Mn WP, or 600-fold aqueous solution of 64% MXA WP, or 600-fold 58% aqueous solution of methine Zn wettable powder, or 600 times 58% of urea MnZn wettable Dust aqueous solution, etc., uniformly wet all branches and leaves inside and outside the crown, and pay attention to spraying on the fruit. The bag should be bagged within 1 to 2 days after spraying. Within four hours after spraying, rainwater should be flushed. Adding 0.2%-0.3% potassium dihydrogen phosphate aqueous solution to the liquid is better. It can not only improve the control effect, but also enhance the resistance to disease. It can also promote fruit development, reduce fruit drop, increase yield and improve quality. . Http://
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