In the summer, the peach tree is picked up and the young part at the top of the growing shoot is removed. Topping can change nutrition distribution. Suspending the growth of the topping branches not only facilitates the filling of the shoots, increases the fullness of the flower buds, but also reduces the nutritional competition with the adjacent shoots. Topping the peach tree in summer should accomplish the following three points.
First, upright shoots topping up shoots growing upright on the back, leaving 5 to 6 leaves topping, after picking, can send 1 to 2 new shoots, leaving 5 to 6 leaves topping again, 2 to 3 times a year, The boom of new shoots can be effectively controlled. In this issue, it is necessary to be diligent. Due to the different lengths of new shoots, the effect of control is different. The new shoots must have enough of 5 to 6 leaves to be picked up. If the new shoots grow to 30 to 40 cm in length, they will not only consume nutrients but also have poor control.
Second, the fruit tree topping to the long-fruiting branches that have not stopped growing, picking (or cutting) 1/5 to 1/4 to control growth and promote flower bud differentiation.
3. Auxiliary tip-picking on the auxiliary shoot topping on the extension branch of the branch can control the growth and promote the sapling tissue enrichment; the absurd branch controlled by the last summer shear and the auxiliary tip on the competitive branch can control growth and promote flower buds. Differentiation.
Fourth, cut the sprig to pick up the heart for the cut edge near the easy to run large branches, leaving three leaves topping, leaving no leaves between the leaves of the three buds, need to re-form the leaf buds before they can grow, generally pick one time, such as growth Wang needs to make another pick-up. However, we must pay attention to early picking and re-focusing. Moderate trees and weak trees should not be used.
Practice has proved that: Peach on a scientific topping, on the one hand, can accelerate the formation of the formation and the results of the branches; on the other hand, can ease the tree potential, promote flower bud differentiation, the results and long trees are correct, can obtain a higher economy benefit.
Our Special Intermediates are mainly a combination of our own actual product structure and product properties, including: 1. The product does not belong to any other product of our company intermediates, 2. Chemical reaction type is more special 3. Can be used to synthesize two or more kinds of API which roles is almost equivalent and difficult to separate the level. 4. This intermediate is somewhat less used for actual production or less practical use. We summarized the above four cases of intermediates temporarily as a special intermediate, if the special intermediate application is enlarge, we will adjust it according to the actual situation to change its "identity."
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