Peach's sprouting force and branching ability are strong. Summer shearing of juvenile and Wangwang trees not only can speed up the forming speed, but also can significantly control the growth, promote nutrient accumulation and flower bud formation. How to prune peach trees in summer, and on this issue, Wei Lixin, a senior agronomist at the Agricultural Technology Center of Heyang County, Shaanxi Province, shared his management experience.
In early July, when the new shoot grows to 40-50 cm, it can be sprayed with 100-fold paclobutrazol to promote flowering of the tree, laying the foundation for the results of the coming year. When spraying, it can be flexibly controlled according to tree vigor. Generally, the main part of the tree is the young part of the shoot, and the extension stem is not sprayed. The 1 to 2 year-old saplings do not spray or spray. Ten to fifteen days after the first control, the unstopped trees can be sprayed once more, depending on the growth of the tree.
During the shoot growth stage, the branches need to be removed in time to prevent overgrowth, overmigration, disease and damage, weak branches, and cross branches of the branches in order to save nutrients and improve the light conditions of the trees. At the beginning of the fruit's retreat of green color, the branches that are shaded around the fruit are removed at the initial stage of coloration to promote the improvement of fruit quality.
Topping the heart can control the upward movement of the result area and increase the fullness of the flower buds. The sapling topping can be shaped earlier. It is generally carried out three times: from mid-May to early June, 3 to 5 leaf cores of 30 feet or more without undue length of Wang shoot stay at the base to pluck the heart and promote secondary secondary shoots, which is conducive to cultivating strong fruiting branches; from late 26th to the end of June In early July, 30 to 50 centimeters of undisturbed Wangshao lightly picks up the heart, which is conducive to the control of prosperous growth; from late March to early September, the tip of the main and auxiliary shoots is cut off, so that the shoots are developed and the maturity is improved. . At the beginning of September, the top cluster-like secondary shoot formed after topping is left with 1 to 2 branches of about 30 cm at the base as the resulting branches, and the upper secondary shoot is “cut†to improve lighting conditions and improve flower bud quality. .
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