Matters needing attention in shaping and pruning of peach trees
1. The general principle of plastic surgery is "tangible immortality, invisible disorder", "big branches are bright, twigs are very noisy," big branches can be more than small ones. The general pruning principle is "light rather than heavy", with emphasis on combination. "the twigs are very noisy" does not mean that the larger the number of branches, the better. Generally, the distance between branches after pruning is 10-15 cm, and the number of branches of non-pollen varieties is 50-100% more than that of pollen-free varieties. Through pruning, the tree is kept moderate, neither too strong nor too weak.
2. The management of different varieties the shaping techniques of different varieties are basically the same, but the pruning techniques of fruiting branches of different varieties are different.
3. Pay attention to open the light path and emphasize the role of light in improving the yield and quality of peach, so that all branches, leaves and fruits shine evenly.
4. Strengthen summer pruning and desalinate winter pruning peach trees can only be pruned in summer without winter pruning, but not vice versa. Winter pruning is not omnipotent, and it must be coordinated with other technical measures to achieve the desired effect, such as summer pruning, flower thinning and fruit thinning.
5. After "push flat head" pruning, there should be long, medium and short fruit branches on the same tree, so as to achieve the purpose of uneven branch length, uneven position and three-dimensional fruit.
6. the main branch bends and extends, the large fruiting branch group or lateral branch grows obliquely, and the small branch group inserts into the main branch (lateral branch). The distribution of the fruiting branch group is "jujube core shape", that is, "small at both ends and big in the middle". It is better for the fruit branch to be oblique or unripe, the lower branch of the back can be left on the young tree, and the thick branch on the back should be sparse firmly.
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Management before dormancy of planting Peach trees in greenhouse
The forced dormancy of peach trees in greenhouse is usually carried out from mid-October to mid-November. The management of 10 days before forced dormancy in buckle shed is very important, and the management is poor, which directly affects the improvement of fruit setting rate, yield and quality. The key management measures in this period are as follows: strong foliar spraying
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Management techniques of planting peach trees in spring
The management of peach trees in spring mainly refers to the management of peach trees before sprouting, sprouting, flowering, fruit setting and fruit development. The main technical points are as follows: 1. Fertilize. Peach branches grow rapidly and the fruit development period is short, so fertilization should be timely and reasonable. Spring fertilization
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