First, adjust the growth and pruning method

1. Adjust the strength of the growth potential. From the time point of view, to strengthen the growth, to be heavy in summer and light in summer, early winter cut. On the contrary, it is necessary to have a light winter and heavy summer, and delay the winter shear. In terms of measures, the growth should be reduced under the premise of making full use of the space, to weaken and stay strong, to stay straight, to leave less branches, raise the position of the buds, and reduce damage. From the local and the whole, strengthening local growth should weaken the growth of other parts, such as control can promote, control can promote weakness. In addition, growth regulators can be applied to enhance the growth of GA, and to attenuate the growth of B9 and toxin.

2. Adjust the angle of the branches. Increase the angle to open the branch buds, pull, support, fall, twist by external force, but also use the weight of the fruit branches, leaves, fruit itself to fall and other measures. Generally, the buds on the back are cut buds, and the tops of the branches are left or not left; the heads are replaced by erect branches.

3. Adjust the density of the branches. Increasing the density of shoot tips can keep the branches as much as possible, and can increase the branches by means of topping and scratching; or increase the density of shoots by short cuts. In addition, chemical agents such as torsion and cytokinin can also be used. Measures such as thinning and long-term use can be adopted to reduce the density of shoot tips.

Second, adjust the flower and fruit pruning method

Increasing the amount of flower buds generally takes a wide angle to accumulate nutrients and promote flower bud differentiation; saplings lightly cut, slow release, twist, branch and apply growth regulators to promote bud differentiation on the basis of ensuring normal growth and suitable amount of foliage . Reduce the amount of flower buds, generally cut and cut, winter and heavy summer light, use GA to strengthen tree potential, promote shoot growth, reduce flower bud differentiation.

Preservation and fruit-preserving measures: Maintain reasonable quantity and proportion of each organ according to high-yield indicators; improve light after stopping the shoots, and enrich the shoots; choose better and worse, retain strong branches and strong flower buds.

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