Why does wampee only blossom and not bear fruit?

Why does wampee only blossom and not bear fruit? Please guide the florescence of wampee fruit trees generally after Qingming Festival, there is a relatively long overcast and rainy weather after Qingming Festival, which is disadvantageous to the pollination and fertilization of wampee plant flowers. In order to improve the vitality of male anthers of yellow flowers and the receptive ability of female stigmas, in economic cultivation, it is necessary to combine spraying control of diseases and insect pests at the flower bud stage. cytokinins and foliar fertilizers containing zinc, boron and magnesium should be sprayed. After flowering, foliar fertilizer was sprayed for 2 or 3 times. In addition, when there are more flowers, we should pay attention to remove more than 1 / 2 of the total spike flowers, and then remove the top flowers and too many lateral flowers from the panicle, and remove about 1 / 3 of the flowers per panicle. In order to avoid excessive flowering and wasting too much nutrients of the tree, resulting in too much falling flowers or more fruit in the future. After the first physiological fruit drop, attention should be paid to spraying foliar fertilizer while adding 30ppm gibberellin, spraying once every 15 days, twice in succession, or cutting the strong plants with the main stem ring to reduce fruit drop. Click for more wampee planting techniques click to get more fruit planting techniques