In the season of apple tree flower thinning, flower thinning has a great effect on improving the quality of fruit, adjusting the load of fruit tree, avoiding the results of size and year, and reducing the invalid consumption of nutrients in fruit tree. When thinning flowers, you should first look at the varieties. The varieties with high fruit setting rate have less flower retention, the fruit setting rate has more flower retention, the larger fruit has less flower retention, and the smaller fruit has more flower retention. Looking at the tree vigor, the more strong the tree stays, the weaker the left. Based on the above basis, after determining a reasonable theoretical amount of fruit, you can start thinning flowers, the specific steps are as follows:
1. First remove all inflorescences that have too few and very small sitting leaves. Even the sitting leaf is the organ that produces nutrients for the growth of the fruit. The size and number of the sitting leaf directly determine the size of the future fruit. If the quality of the leaves near a fruit is poor and the number is small, the fruit will definitely not grow well. First look at the leaves near the sitting leaves and flowers.
2. Remove relatively small inflorescences with few flower buds. The small and small flower buds indicate that the storage of nutrients is insufficient and the quality of the flower buds is not good enough.
3. Eliminate the flowers on the back and the flowers on the back of the stringed branches. The shape of the flower sitting fruit on the back will be flat or even deformed, and it is difficult to form high pile fruit, and it is easy to sunburn, the brightness of the fruit surface is poor, and red spot disease often occurs. The fruit under the back is the most difficult to color, which seriously affects the price index and makes it difficult to sell a good price.
4. Removal of particularly delicate mid-long branches and top flowers. Very thin and long flowering branches often grow on the tree, the inflorescences have been separated, but there is only one top flower on the branch, the axillary buds are weak, and they have not germinated. Such flowers will not grow and will not produce good fruit.
5. Remove axillary flowers from medium and short branches. Most of the medium and short branches are sturdy and strong, and have good quality top flowers. The fruit of this type of top flowers is also the best quality, but the branches are too short to bear fruit, so you must remove the axillary flowers and middle branches. The axillary flowers are basically of poor quality.
6. After the above flowers are thinned out, if there are still too many flowers, then the distance method can be used to thin out the flowers. One large fruit is reserved at 25 cm and one small fruit is 15 cm. Of course, in order to ensure the number of fruits and the quality of the fruit, a part of the flower must be reserved according to the theoretical data when thinning, so that there is a better choice for thinning. All the selected fruits can grow into good ones.
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