Apple's thinning and thinning fruit "ten look" "ten stay ten do not stay" is very important

Thinning and thinning is a key technical measure to improve the quality of apples. It is also an effective way to overcome the results of large and small years, reduce the nutrient consumption of trees and extend the age of fruit. To properly carry out the thinning and thinning of apples, it is very important to "see ten" and "ten stay ten."

Ten look

Pay attention to the following ten aspects when sparse and thinning.

1. Look at the time. Generally, the flower buds are obviously exposed, and the top is more suitable after red. When the buds are scattered, the leaves are kept, until the flowers are thinned within 30 days after the flowering.

2. Look at the climate. If there is a night frost in the local area, it is best to delay it later. After the night cream, it is determined according to the weight of the frozen. If there is no frost damage in the flowering area, it can be smeared.

3. Look at the variety. For varieties with serious physiological fruit drop, the young fruit can be sparse after two weeks of flowering, and the varieties with light physiological fruit should be sparse.

4. Look at the tree. Weak trees leave early and stay strong, and strong trees are delayed.

5. Look at the amount of flowers. When the amount of flowers is large, the amount of flowers should be sparse, and when the amount of flowers is small, it should be less sparse, late, or not sparse.

6. Look at the flower buds. Weak flower buds, bud flower buds, long fruit branch flower buds and late-developing flower buds can be more sparsely left; strong flower buds, top flower buds and short fruit branch flower buds can be appropriately less and more reserved.

7. Look at the distance. Generally, a small fruit 15-20cm leaves a fruit, and a large fruit 20-30cm leaves a fruit. The single fruit leaves the center fruit, and the double fruit leaves the symmetrical fruit, so that the whole tree is evenly distributed, and the remaining 2-3 results are used as the insurance factor.

8. Look at the side shoots. According to the fruit table, the sub-tips are fixed, that is, there is a fruit table with a single fruit left, and two fruit table leaves have double fruit, and there is no fruit table and no fruit (except for short fruit branches).

9. Look at the fruit branches. The buds of the buds and the branches of the stalks that are born on the short branches of the backbone have more fruit malformations and should be properly removed.

10. Look at the fruit. Young fruit with strong growth, smooth shoulders, natural drooping, and flower buds down. After the fruit grows, it is generally fruit-shaped and should be noted.

Ten stays ten and does not stay

1. More peripheral fruits, less indica; 2. More medium and long branches, less short branches; 3. More leaves on both sides of the fruit, less on the back and under the fruit; 4. Retain the top flower bud fruit, Do not use bud flower bud fruit; 5. Retain the fruit with fruit moss secondary tip, do not use or less fruit without the moss tip; 6. Retain the fruit with more lotus leaves, do not use the fruit of the lotus leaf; 7. Keep the center as much as possible Flowers, center fruit, no or less left lace fruit; 8. Use large flowers, large young fruit, sparse small flowers, small young fruit; 9. Leave long handle fruit, remove short-handed fruit; Fruit, remove the deformed fruit, skewed fruit, and injured fruit.

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