1. Strengthen the management of fertilizer and water in the later period and improve the quality of flower buds. The rate of fruit set depends largely on the quality of the flower buds. Flower bud quality is in turn dependent on the nutrient level of the tree during flower bud formation. Therefore, in order to form high-quality flower buds, first of all, there must be a good foundation for vegetative growth in the early stage, the new shoots should be stopped in time, the tree potential should be moderate, and the organic nutrient accumulation should be sufficient. It is supplemented with the late autumn leaves to spray the aromatic moist balance foliar fertilizer, delaying the leaf senescence, lengthening the photosynthesis time of the leaves, improving the storage nutrient level of the tree, and finally forming a large, full and high quality flower bud.
2. Prevent frost damage during flowering.
3, flowering bee and artificial pollination. 4, spraying plant growth regulators during flowering.
5, flowering ring stripping (cutting). The ringing (cutting) of the auxiliary branches, backbone branches or trunks during the flowering period of the young tree can increase the fruit setting rate.
6, fruit table side tips topping. For the varieties with low fruit setting rate, the fruit top auxiliary picking is carried out about 10 days after flowering, which can inhibit the competition between the secondary shoots and the young fruit and improve the fruit setting rate.
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