Summer is the key period for the growth of kiwi fruit, and it is also a critical period for the formation of fruit quality. Management should pay close attention to tree management, regulate the contradiction between vegetative growth and reproductive growth, and promote the formation of fruit quality.
Strict fruit thinning. 15 days after flowering, fine fruit thinning is carried out 2 to 3 times before bagging. According to the principle of “retaining good and bad, leaving large and small, leaving thin and dense, leaving the middle to go to the baseâ€, the poorly pollinated round fruit is eliminated. , abnormal fruit or weak fruit, overlapping fruit, disease and fruit. Generally 4 to 6 long fruiting branches, 2 to 3 golden fruit, and 1 or short fruit branch. In the Shengguo period of 3 meters and 4 meters, there are no more than 400 single plants in the fruiting period, and in the full fruiting period of 2 meters and 3 meters, the number of fruit per plant is less than 200, and the amount of fruit left in the young garden is reduced.
Buds topping. According to the growth characteristics of the macaques, we should take early measures to wipe the buds, pick up the hearts at the right time, and cut long branches to cut them several times. In the budding stage, the buds that are improperly located or dense may be wiped off early; on the fruiting branches of mature orchards, 7-9 leaves are picked above the result area and the second branch is germinated after the first picking. Leave 3 to 4 leaves topping. The third branch of the germination leaves 2 to 3 leaves topping, leaving cultivars of legumes or vegetative branches to leave l0 to l2 leaves topping, and the branches and branches of the pests and weeds are removed from the base.
Pull branches, tied vines. From the end of winter pruning to fruit enlargement, pull branches and vines. Repeatedly, the result branches and vegetative branches must be flattened and stretched, and tied; tied to the strong prosperous skeleton branches and then tied and softened, generally 1 to 2 lanes, tied with a lashing rope on the wire.
Strengthen fertilizer and water management. Fertilizers should be applied in small quantities several times in summer. In principle, high-level chemical fertilizers should be avoided and ammonium fertilizers should be disabled. In early June, the enlarged fertilizer plant applied 1 kg of three-element compound fertilizer, combined with 0.5 kg of trace element fertilizer, and at the end of July, the excellent fruit fertilizer plant applied 0.5 kg of potash fertilizer. The amount of fertilizer applied in the orchard was reduced. The fertilization location is 80 to 100 cm from the main trunk and the depth of fertilization is l5 to 20 cm. Fill with water after each fertilization. After bagging, spray 1:1 times of biogas slurry or amino acid nutrient leaf fertilizer 500 times every 10 days for a total of 3 injections. In case of high temperature and drought, water should be poured before 11am or after 4pm.
Fruit bagging. A 12 cm 16 cm single-layer paper bag is generally used. Bagging time: Hongyang in mid-late June. Jin Yang, Xu Xiang, Mid-July, July, Hayward, late July to early August. Strictly set the fruit before bagging and spray 1 high-efficiency insecticide and calcium fertilizer.
Pest Control. Using agricultural, physical, and chemical comprehensive prevention and control measures, the plant source, mineral source, and bio-sourced high-efficiency, low-toxic, low-residue pesticides were selected. From June to August, after bagging, 80% of Dasheng M45 WP 800 times solution or 50% thiophanate-methyl 600 to 800 times solution or 1% of Zhongshengmycin agent 200 times solution is sprayed on the bag, focusing on soft control. Rot, brown spot, etc.
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