It is now the season for kiwi flower buds to germinate, and it is already possible to distinguish which are flower buds and which are leaf buds. Therefore, one of the most important tasks of pruning kiwi trees this season is to wipe the buds.
Wiping buds is a commonly used management technique in the shaping and pruning of fruit trees in spring and summer. Wiping buds of a kiwi tree can serve two purposes: on the one hand, it can control the number of buds. Under normal circumstances, the kiwifruit tree has a large amount of buds during spring buds. If the number of buds is not controlled, the tree will appear closed after the leaves are expanded. At the same time, it will cause a large consumption of nutrients and weaken the tree vigor. On the other hand, you can go weak and stay strong, laying a good foundation for high quality and high yield.
Seize the time to wipe the shoots. The wiping time of the kiwi tree needs to be carried out when the quality of the buds can be clearly identified. Wipe the buds too early and the bud quality cannot be confirmed. Wipe the buds too late and consume too much nutrients. Generally, when 80% of the buds of the crown grow to 3 to 5 cm, the buds begin to be wiped.
Grasp the wiping object well. Generally, the main objects to be erased are the sub-buds, weak buds, deformed buds, buds without buds or few buds. For the opposite buds, whorl buds, clump buds, adjacent buds, dense buds, etc., you can choose to leave 1 bud. Wipe off the vegetative branch on the top of the mother branch, the extra long leg shoots on the main vine or the inner bore.
Grasp the wiping method. The method of wiping buds of kiwi trees of different ages will be different. Generally, for mature kiwifruit trees that bear fruit, the robust result mother branch can wipe out the extra dense dense weak buds, leaving 10-12 buds per branch, the mean result mother branch 8-10 buds, the weak result mother branch 4-6 2 to 4 buds are left on buds and weak short branches, and 1 to 2 buds are left as branches. Follow the principles of going down (back down), staying up (back up), weak and strong, and dense and thin.
Grasp the requirements for wiping buds. When wiping buds, we must pay attention to three issues: first, we must pay attention to the fact that in the case of the cold spring and pests, we cannot wipe the buds at once, and we need to leave some room for at least 20%. The second is the inner bore. As a result, the latent buds on the main vine at the base of the female branch germinate later. In addition, these parts should be cultivated and renewed to prepare the branch, so it is not recommended to wipe the bud. Choose to wipe the buds when they germinate into young shoots. Thirdly, due to the influence of climate or size year, the mother branch has more nutrient branches. Except for the over-dense and weak branches, all others are retained to ensure the normal growth of the tree.
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