Is there any way to improve the fruit setting rate of persimmon trees?

What method can persimmon tree improve fruit setting rate? Please give guidance to persimmon trees can refer to the following methods to improve fruit setting rate: first, control the first flower of persimmon pedicle insects (subject to one flower in persimmon orchard) for 7-8 days. 2.5% chlorhexidine 2500 times solution, 21% 2500 times solution, 10% Dolaibao suspension 1000 times solution, 5% rifampin EC 2000 times solution, 25% trimethoprim 3 2000 times solution can be used for spray control. The effect of control is better when the insecticides are applied alternately. Second, improve the fruit setting rate (1) Zen Temple pills with male flowers are planted as pollination trees, which should account for 10% to 20% of the total number of trees. (2) topdressing and watering before flowering. During flowering, 0.1% borax solution and 300PPm gibberellin solution, or 0.1% borax solution, 0.3% urea solution and 0.5% potassium dihydrogen phosphate solution were sprayed. (3) ease the growth of new shoots. When the flower blooms up to 50%, peel the trunk or branch around. Click to get more persimmon planting techniques click to get more fruit planting techniques