How to promote kiwi fruit enlargement

Optimize pollination conditions, promote the elimination of dense and too thin and delicate branches and fruiting branches 7 to 10 days before pollination, and eliminate excessive and poorly developed buds, leaving only one central bud on one pedicel. Flower buds, leaving the result of the branch, in the fruit bud left 4 to 5 leaves topping heart, development leaves a few leaves topping, development, strict control of the growth of flowers before the foliage, and promote pollination.

During the flowering period, the bees are placed to promote the pollination of the kiwifruit pollen without honey. The sugar can be sprayed in the garden, and the bees can be pollinated. The white sugar or brown sugar can be used to spray the flower liquid into 5 tortoises to induce pollination.

Strengthen the summer cut, strictly control the vegetative growth should promptly remove the branchlets and leggy branches on the tree, for the result of the first branch in the top of a bud left 6 to 8 leaves topping heart, development branches left 10 to 12 leaves topping to control their nutrition Growth, avoiding nutrient consumption, promotes robust shoot growth and fruit growth.

Strengthen fertilizer and water management, ensure nutrient supply every year after harvesting in the fall from September to October, deepen the time to expand the hole, combined with deep-turning mu into high-quality farm fertilizer 3 tons, special fertilizer 40 kg, potassium sulfate 50 kg, superphosphate 100 kg base fertilizer. Pour 1 water before the soil is frozen to lay the foundation for the growth of the fruit in the second year. Kiwifruit was topdressed with potassium fertilizer once before germination, followed by topdressing nitrogen fertilizer once per month in April, with urea as good, and topdressing with diammonium phosphate in June, depending on the size of the tree and the outcome, the soil remained dry. The principle of watering, to maintain the relative moisture content of 60% to 80%, in order to ensure the nutrients needed for fruit growth, promote the full expansion of the fruit.

Strengthen pest prevention and control, promote fruit enlargement before the flower buds in time to clean the leaves, cut away dead branches, reduce the source of disease, even spraying 3-5 Baume degree of lime sulfur agent, eliminate overwintering pathogens and eggs, to lay a good foundation for prevention and treatment throughout the year. After germination, Mushi 45, thiophanate-methyl, mancozeb, etc. were sprayed to control powdery mildew and anthrax; sprayed chlorbenzuron 3, kung fu, bai treed, etc. were used to control the beetles and chafers. Ensure that the leaves grow robustly. In the event of root knot nematode harm, the use of gram-negative phosphorus or quercitrin may be used to control the hazard.

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