1. Strengthen the management of the orchard, supplement the nutrition in time, and restore the tree as soon as possible. After kiwifruit is frozen, it should promote the restoration of tree potential and strengthen the management of soil and fertilizer. Spraying quick-acting nutrient solution, adding organic and inorganic quick-acting fertilizer, timely watering, restoring tree potential, and promoting early branching in spring.
2. Do a good job in pest control. After the kiwifruit tree is frozen, the tree has reduced ability to resist pests and diseases, 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 of oil emulsion. Spray 5 waves of stone sulfur mixture before germination. Prevention, especially strengthening the prevention and treatment of kiwi bacterial ulcer disease.
3, the frozen seedlings and young trees, as soon as possible, re-grafting or replanting. Timely update, 2~3 branches will be left after sprouting new branches, and the rest will be cut off, and multiple main branches will be put on shelves in the easy-to-freeze area. Grafting varieties in a timely manner and strengthening management in the current year. The frozen part of the tree above the ground, before the injury flow, remove the above-ground part from the main base, the new hair is strong and strong, and the summer high (about 1 meter) grafting, to achieve the germination of the year, grafted in the same year, and put on the shelves that year.
4, bridging. The first result tree with lighter frost damage is bridged up and down to the main part of the frozen area before germination or from July to August to restore the tree potential.
5. The frozen result tree should remove all the flowers, leave no fruit, reduce the nutrient consumption of the tree, and restore the tree potential.
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