The changing weather in August, sometimes high temperature, sometimes rainy, brought varying degrees of influence to apple fruit enlargement and new shoot length, which was unfavorable for apple quality and yield. Du Zhihui, an associate professor at Northwestern A&F University’s College of Horticulture, suggested that the management of orchards must be strengthened during this period, with emphasis on leaf protection, fruit protection, flood control, and pest control. Apple picking bag, harvesting with exquisite
After the high temperature and rain water, check the fruit bags in time and check the bags from different parts of the canopy. If you find that the vent holes are too small and there is water in the bags, you should cut the large ventilation holes properly to remove the accumulated water; if you find sunburn or germs infestation In case of bruising on insects, take measures as soon as possible to ensure the success of the bagging.
Early-maturing varieties are sprayed with 500-500-fold potassium or 250-fold potassium dihydrogen phosphate for 15 to 20 days before harvesting. After 5 days, the “fruit leaf†around the fruit and the “shine leaf†about 15 cm from the fruit are sprayed. When the positive surface color of the fruit meets the standard, the fruit is gently twisted by 90 to 180 degrees to promote full coloration.
Must go out of heavy winter shears, light summer shear misunderstanding
Summer shear can not only reduce the loss of nutrients in large saws and cuts during winter cutting, but also can effectively solve the conditions of tree ventilation and light transmission, so as to achieve early fruit production and stable yield. Du Zhihui suggested that carving apple trees, wiping buds, and pulling branches can greatly promote the economic benefits of orchards.
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