Peach tree post-harvest management

After the fruit is harvested, the peach tree has a long period of growth from the autumnal leaves. It is the critical period for nutrient accumulation and flower bud differentiation. Management will directly affect the overwintering of peach trees and the results of the coming year. Therefore, post-harvest management of peach trees cannot be relaxed. The main technical measures: First, spraying prevention and control "relocation and relocation" Peach trees after fruit picking until early autumn, warm and wet weather is conducive to the invasion of pests, especially in the surrounding vegetable gardens and corn field winged locusts, red spiders and Other will move Back to the peach tree mating wintering, adults and Ruoqiang clustered on the back of peach leaves to suck juice, yellowing and curling the leaves, seriously affecting the growth of peach trees. Therefore, after fruit picking and in early autumn, insecticide should be sprayed by stages, and can be sprayed with 5% carbendazim 800 times or 5% Kedan Dan wettable powder 50 times; or 40% fruit extract EC 500 times. Second, after scientifically fertilizing the tree to harvest fruit, it combines fertilization and weeding in the orchard. For peach trees with large fruit trees and nutrient consumption, they should be applied early and reused. Generally, 30-40 kg of urine or manure per plant, 0.3 kg of urea or 0.5 kg of ammonium bicarbonate should be applied to each plant, and fertilization should be circular or radial. 50 centimeters or so. Third, pruning pruning promote balanced peach branches growing many times a year, easy to make canopy closure, poor ventilation and light transmission, affecting the formation of breast buds. Therefore, the branches with overlapping branches, overlapping branches, branches and branches, thin and weak branches, and crowded places in the crown should be removed. The bald area can be cut open to promote new branches and occupy space. Fourth, the Qingyuan disinfection and prevention of pruning combined with pruning Taoyuan to clean up, that is, branches, leaves, fruit and weeds completely removed, away from the Taoyuan burned and should not be buried under the tree. At the same time with lime 50-60 kg per acre sprinkled on the ground to disinfect the soil, you can also use "1 degree lime sulfur agent" 500-800 times liquid spray trunk, the main branch, is beneficial to disease prevention and pest control. China Agricultural Network Editor

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