Kiwifruit garden winter clearing work mainly eliminates overwintering sources of pests and diseases, destroys its wintering environment, and greatly enhances the preventive effect of kiwifruit pests and diseases. The Kiwifruit Garden is mainly completed after the leaves are defoliated and pruned. The fruit bags, bandages, dead branches, fallen leaves, etc. in the garden are cleared out of the park and destroyed. Then the whole garden is plowed once and the whole park is finished. Spray agent prevention.
Scratch
Remove the cracks from the kiwifruit stem. Redness does not appear white when scratching the skin, do not scratch it to expose the white xylem, not to hurt the trunk. The scraped skin was promptly cleared out of the park and destroyed again. After scraping the skin, apply the antifreeze or whitening agent to the trunk.
Clear Garden
After picking the fruit, the remaining fruit bags, rotten fruit, etc. will be cleared out of the park and destroyed. After falling leaves, the fallen leaves and dried weeds are cleaned out of the park and destroyed. After the pruning, the cut vines and the bandages, pests and branches used for the vines were cleared out of the park and destroyed.
Garden tillage
(1) Deep turning: The young kiwifruit garden is combined with basal fertilization to moderately deepen and improve the soil.
(2) Enlarging the hole: The young kiwifruit garden excavated outward 50cm wide and 60cm deep trenches in the previous year.
(3) Overturning: Mature kiwifruit garden combined with ShiJiFeng garden turned over 1 times, with a depth of about 15cm.
Spraying agent
(1) After picking fruit and after deciduous use, use 20% thiazole copper suspension agent 600 times liquid or 30% copper hydroxide suspension liquid 1000 times, and add foliar fertilizer (200 times potassium dihydrogen phosphate). The branches were spray-sterilized and the petiole scars were closed.
(2) After trimming, use 3 to 5 Baume degree lime sulfur, 33.5% quinoline copper suspension 300 times, 47% Garethon WP 300 times, 46.1% to kill hydrophobic dispersion granules. 1000 times liquid or 45% Schnelling water 200 times, etc., the whole garden shower spray. Kiwifruit stems, ground, columns, roads, canals, etc. must be sprayed. When the tree is sprayed, spray it from the top to the bottom until the liquid flows through the branches. In combination with spray acaricides and insecticides, silicone penetrants are preferably added during the dormant spray to enhance the bactericidal effect. It is best to use only one bactericide at each spraying, and the agents can be used interchangeably to avoid drug resistance.
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