Autumn pear tree management

One, hanging sticks. The pear branches are soft and the branches droop most when there are a large number of fruiting results. In the case of excessive results, it is easy to cleft, can be tied to the long edge in the stem, the results of the pear branch with a rope hanging on the raft to prevent chapped. A long stem with a fork can also be used to hold the pear branch in the middle to prevent lychee from being overweight. Second, pest control. In the autumn, according to the occurrence of pests, spray 1-2 times per month with 50% dichlorvos plus 40% iridiophos or 40% dicofol 800-1000 times. Prevention and control of aphids, red spiders, pear caterpillars, pear borer, peach borer and various leaf leafworm damage. Every 15 to 20 days, 50% carbendazim WP 500-600 times or 70% thiophanate-methyl 800 times is sprayed on the pear orchard, which is harmful to ringworm, scab, and mold, to control the condition. Third, top-dressing watering. A fast-acting fertilizer can be topdressed at the fruit's rapid growth stage, and each plant can apply 0.3-1.5 kg of APK fertilizer according to the size of the tree and topically apply 0.3% potassium diammonium phosphate 1-2 times. Watering fertilizer in time. After the fruit is harvested, the basal fertilizer is applied in time. According to the tree size, 50-250 kilograms of organic fertilizer is applied per plant, 5-10 kilograms of superphosphate, 1-2 kilograms of ammonium nitrate, and a depth of 25-357 centimeters. Before the soil is frozen after defoliation, the whole country will fill the winter water once to facilitate the safe wintering of the trees. Fourth, scrape the old skin. Pear tree bark is a wintering place for many kinds of pests. The main pests that overwinter in bark cracks are: Pyrosphaeridae, Pterodactylus, Pear, Pear net, Pest and Pearwood. In the autumn, the old skin should be scraped in time to facilitate the thick growth of the pear tree and reduce the wintering base of the disease and insects, so as to lay a good foundation for the prevention and control of diseases and pests in the coming year. V. Clear Garden. After falling leaves, it is necessary to promptly clear orchard defoliation, remove dead branches, remove dead fruits, eradicate weeds around the orchard, and burn them together. For the hanging sticks and the top stems should be burned in time after use. For picking baskets, the fruit box is sprayed with Dong Fang agent and then stored. Six, ploughing. Before the soil is frozen, it is necessary to deeply plunge the entire garden to a depth of 30 cm or more to ripen the soil and promote root growth. China Agricultural Network Editor

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