Wangshu
Most of the trees are caused by excessive short cuts, strong retraction, large fat water, untimely pulling branches, too small angles of the main branches, and too little fruit retention.
The performance tree has more spring strips, the autumn shoots are longer, and the branches are harder; the vegetative growth is stronger than the reproductive growth, the flower buds are difficult to form, the leaves are larger, and the fruit is smaller.
Regulating measures to control fertilizer and water, reduce the application rate of nitrogen fertilizer; properly remove the excessively dense branches; open the main branch angle; remove the branches when the damage; comprehensive use of turning branches, pulling branches, engraving, ring cutting, spray promotion Kao and other measures scattered Polarity, promote flower bud formation; leave as much fruit as possible, and press the crown.
Fanwang Tree
The maddening tree is simply a tree that is more prosperous than the sapling tree. Because such trees exist in a large number of fruit areas, the adjustment measures are different from those of the wan tree, so they are listed separately here.
The whole tree has a large number of strips. The length of the annual branches is more than 2 meters, and the annual growth is large. The whole tree has no fruit, no flowers, and the branches are hard and the leaves are large.
Regulating measures Such trees are difficult to control growth by adopting a single adjustment measure. Various adjustment measures should be used comprehensively to strictly control the fertilizer and water. No fertilizer or water can be used throughout the year; in some cases, radical measures such as root-breaking and ring-stripping can be adopted. Pulling the angle of the main branches, the branches with thicker branches can adopt the method of "continuous three saws"; before the early spring germination, some tree branches can be removed with the transformation of the tree; in September, some branches and strips can be removed by leaves; Measures such as turning branches, pulling branches, taking branches, ring cutting, and spraying Huawang disperse polarity and promote flowering.
Shangqiangxia weak tree
This type of tree is often caused by too fast heads, unreasonable angles of the main branches, and incorrect trimming.
The upper branches are strong and strong, with more strips, thicker main branches, smaller branches and larger branches and leaves, occupying a large amount of light and heat resources. Because of the strong vegetative growth, it is difficult to form flowers; the lower branches grow. It is weak, the light is poor, the pests and diseases breed, and it is difficult to make a flower.
Adjustment measures should be strong and weak for such trees. Adjustment measures for the upper branches: thinning the dense erect branches, removing the branches and branches of the overly dense branches; opening the main branches; opening some of the annual branches and some of the resulting branches from the base. Adjustment measures for the lower branches: For the excessively long main branches and some branches, the main branches can be retracted and rejuvenated; for some of the main branches that are too low, the main branches can be directly removed, pay attention to the oblique sawing piles, and treat the wounds in time; for the main branches with excessive opening angles You can take measures to lift the branches and raise the branches. The whole tree pays attention to strengthening the management of fertilizer and water and the prevention and control of pests and diseases.
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