1. Strengthen the management of orchards, supplement nutrition in time, and restore the tree potential as soon as possible. After the kiwifruit is frozen, it is necessary to promote the recovery of tree vigor and strengthen the soil fertilizer and water management. Spraying quick-acting nutrient solution, applying organic and inorganic quick-acting fertilizers, timely filling water, restoring tree vigor, and prompting early spring new shoots.
2, do a good job of pest control. After the kiwifruit tree is frozen, the tree's ability to resist diseases and insect pests is reduced, and it is easy to produce secondary diseases. The frozen branches should be cut off in time, and the cuts should be closed with 50 times oil emulsion, and 5 limestone sprays should be sprayed before germination. Prevention, especially strengthen the prevention and treatment of kiwifruit bacterial ulcer disease.
3. Severe seedlings and saplings that have been frozen are to be leveled, re-grafted, or supplemented as soon as possible. Timely updating, leaving 2 to 3 shoots after germination, cutting off the rest, implementing multiple main branches in the freezer. Gradually grafted varieties, strengthen the management of the year. The partially frozen trees on the ground, before the injury, removed the above-ground parts from the base of the trunk, sprouted vigorously and sprouted, and the summer highs (about 1 meter) were grafted to achieve the germination of the year, grafting of the year, and the shelves of the year.
4, bridging. The first result tree with lighter freezing injury, before germination or from July to August, bridges and freezes the parts of the trunk and restores tree vigor.
5, the result of freezing the tree to remove all the flowers, leaving no fruit, reduce nutrient consumption of the tree, restore the tree vigor.
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