After harvesting the sparse-sweet sweet cherries, the dense branches, weak branches, whip branches and diseased branches should be removed or shortened to open the light path, enrich the branches, reduce unnecessary consumption, and help flower buds Fully differentiated and mature branches. Mainly aiming at the top strong tree and the closed tree, it should be carried out from top to bottom. For sparse branches of trees with too much upper branches, it is not possible to place them in one step. It should be carried out in two steps, with 1 to 2 large branches at a time interval of 1 month; the thin branches and invalid branches behind the inner chamber should be sparse In addition, the dense shoots on the back should be removed at one time; for the protruding shoots from the extended branches, keep 1 extended shoot, 1 to 2 heavy toppings, and all the remaining shoots are cleared. The intuitive criterion for a reasonable amount of branches and leaves is that when the sun shines directly on the canopy, the ground light and shadow coefficient is between 30% and 40%.
Twisting Twisting is to twist the vigorous long branches and competing branches by 180 ° during semi-lignification, weaken their growth, promote flower bud differentiation, and transform into fruiting branch groups. Those who are still growing vigorously after twisting should be continuously lightly topped to inhibit growth. Light topping on the extended tip can ease the tree vigor, but the secondary tip that occurs after topping should be uniaxially extended.
Topping Topping is the removal of the young part of the apex before the new shoots have not become lignified, which is called topping. It is one of the most used methods for pruning sweet cherries in summer. Topping young trees can encourage more branches to germinate and promote the formation of flower buds. It can play a role in saving nutrients, improving fruit setting rate and fruit quality during topping of the early and full fruit trees. Topping can be divided into mild topping, moderate topping and severe topping.
Light topping: only about 5 cm from the top is removed, and only 1 to 2 new shoots can grow and grow after topping. Control the amount of growth in 10-20 cm, continuous light topping, can form fruiting branches.
Moderate topping: The purpose is to promote multi-branches. When the new shoots grow to more than 40 cm, remove more than 15 cm, and generally germinate 3 to 4 branches.
Severe topping: When the branches grow to more than 40 cm, leaving around 15 cm for topping, not only can promote branching, but also can germinate the lower buds into short branches or leaf clumps, forming small fruiting branches. The length of the topping and remaining branches should be determined according to the space where the branches grow and the different uses of the branches. As the backbone branches, the remaining branches are longer and should be more than 40 cm.
When the new shoots grow longer, the remaining branches are shorter, and the part of the topping has been half-lignified, you need to trim it with scissors. The function of shearing is more effective than topping.
Lazhi pulls Qiangwangzhi to the place where there is space to make up for the shortage of backbone branches. It can accelerate the formation, delay the growth of branches, improve the illumination of the inner hall, and promote the differentiation of flower buds. In the vertical direction, each main branch should be kept at 80 ° ～ 90 °; overlapping branches can be pulled horizontally to a suitable direction; the vertical distance between the main branches in the same direction should reach 80 ～ 100 cm.
Timely control When the Wangshu tree still can not inhibit the growth after taking various summer shearing measures, it should be sprayed with 200-300 times paclobutrazol or 180-200 times PBO at the right time. The trees can be sprayed 2-3 times to receive a good suppression effect.
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The elderly often feel helpless when going to the toilet. As they grow older, some elderly people will dirty their clothes and pants if they can't walk to the toilet, or it is difficult to squat and stand up because of inconvenient hands and feet. Most elderly families use squatting toilets. When the elderly squat to use the toilet for a long time, they tend to feel numb in their legs and feet, and stand up prone to dizziness and fall.
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