Which kind of medicine is good for the sugar-sweet orange flower to the fruit-preserving period?

Sand sugar orange flower to the fruit-preserving period, which kind of medicine is good, how to match? The first time, the flower preservation fruit, using 920+ cytokinin + nitrogen-containing high quality foliar fertilizer (potassium dihydrogen phosphate + urea, green Fenway, etc.); the second time to preserve the fruit, spray 920 + brassinoside + high potassium foliar fertilizer.

Note that the second time to protect the fruit does not use cytokinin, switch to the use of brassinolide, the emergence of fruit drop after spraying is a normal phenomenon, because the canthelin will screen out the secondary fruit drop in advance, so that the concentration of nutrients supply healthy young If it is fruit, it will help the fruit to expand. 2,4-D is not recommended.

In addition, the addition of difenoconazole, prochloraz and other agents to prevent and control anthrax and gray mold, especially weak fruit trees are particularly rare. If the orchard is found to have citrus hibiscus, leaf curling insects, aphids and other pests, add chlorpyrifos / phoxim / gram moth (A · Xin) and other sprays.

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