Be accurate in time The pruning time of winter kiwifruit should start from 10 to 15 days after the fruit tree leaves, starting from mid-December to the end of the spring. The best time for winter shears is about 20 days before and after the winter solstice. The time should not be too early or too late. It is best to pruning in fine weather. If the cut is too early, the nutrient return to the roots on the branches is not over yet, which will result in a large waste of stored nutrients; if the cuts are too late, when the branches sprout in the coming year, a large number of wounds will be generated, which will affect the branching of the trees. germination. Trim objects to be accurate Winter shears have different pertinences depending on the variety, age, tree strength, geological conditions, and management level, and cannot be blind. It is mainly to reasonably and moderately pruning the result of the kiwifruit, and to completely eliminate the dead branches, the weak branches, the diseased branches, the overlapping branches, the bifurcation branches, the root germination branches with no use value, and the long branches, development branches, etc. without the cultivation. After trimming, apply the callus anti-corrosion film to protect wound healing, tissue growth and disease-infecting bacteria. The trimming site should be accurate When the multi-main vine type pruning winter shears should be changed, the remaining branches are less left; the long, medium and short combinations are changed to one-time long branches; the short cuts are long, and the multiple buds are pruned. As a result, the row spacing of the mother plants was 34 meters, and each plant had 16 to 18 long branches; the row spacing was 23 meters, and 6 to 8 branches per plant. Generally, the amount of Chinese kiwifruit stays is greater than that of delicious kiwifruit. When there is space, leave the middle branch to fill the gap, and cut the mouth to fill the full bud. When there are spaces in the long branches, 3~4 buds are short-cut, and the new branches can be cultivated to grow the vine branches. According to the strength of the shoots, determine the length of the pruning of the resulting shoots. Generally, the strong shoots are more buds (about 8~12 shoots), the weak shoots are less buds, and the perennial shoots are re-pruned, according to their aging parts. Or whole plant update. Excess branches, such as dead branches, diseased branches, overly branches, cross branches, and root buds are all cut off from the base. Single dry-armed tree shape (one-line type) trimmed on the main vine for every 25 cm to leave a long result mother branch, required to be above 8 buds, until left to the outermost lead wire, extending 2~3 buds, forming " The result of the "bow" type is to expand the results. There is a bare space in the crown. When making up, you can leave 2~4 buds to result in a mating result. The distance between the main branches of Hayward and Xuxiang varieties is generally 20~25 cm. After trimming, the vines are tied at the above intervals in time, and the light transmittance needs to reach about 30%. The amount of stub branches is determined according to the planting density. There is space for the long branches, no space is removed from the base, leaving no stubs. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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