Four types of fruit trees need to be adjusted
Prosperous trees Prosperous trees are mostly caused by excessive short cut, strong retraction, large mast water, untimely pulling of branches, too small angle between main branches, and too little fruit retention. Performance: The tree has more branches, the spring 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. Adjustment measures: control fertilizer and water, reduce the amount of nitrogen fertilizer; appropriately thin out dense and prosperous branches; open the angle of main branches; cause injuries when removing large branches; comprehensively use branch transfer, branch pull, bud cutting, ring cutting, spraying flowers, etc. Measures to disperse the polarity, promote the formation of flower buds; retain as many fruits as possible and use them to press the crown.
Kuangwang tree Kuangwang tree is simply a tree that is more prosperous than the blooming tree, because this kind of tree exists in a large number of fruit areas, and the adjustment measures are different from those of the blooming tree, so they are listed separately here. Performance: The whole tree has a lot of shoots, some of the annual shoots are more than 2 meters in length, and the annual growth is very large; the whole tree has no fruit or flowers, the branches are hard, and the leaves are large. Regulation measures: It is difficult to control the growth of this kind of trees by adopting a single regulation measure. The most comprehensive regulation measures should be used to strictly control the fertilizer and water, and no fertilization and no watering can be used throughout the year; in some cases, root cutting and root cutting can be adopted. Intense means such as girdling; open the angle of the main branch, and the thicker branches can use the "three saws" method; in early spring, it can be combined with tree shape transformation to remove some large branches; in September, some large branches and branches can be thinned out with leaves. Rising; comprehensive use of branch transfer, branch pull, branch picking, circumcision, spray stimulating flowers and other measures to disperse polarity and promote flower formation.
Trees such as strong-up and weak-down trees are mostly caused by the rapid fall, the unreasonable angle of the main branch, and the wrong pruning. Performance: The upper branch grows vigorously, with more shoots, the main branch is thicker, the branch angle is smaller, the amount of branches and leaves is larger, and it is difficult to form flowers; the lower branch grows weaker, with poor light, and it is difficult for pests and diseases to breed. Flower and fruit. For this kind of tree, we must restrain the strong and support the weak. The adjustment measures of the upper branches: thinning out the denser upright branches, removing the large branches and the branches of the branches that are too dense; opening the angle of the main branch; drawing part of the annual branch and part of the fruiting branch group to hang down from the base. Adjustment measures for the lower branches: the main branches that are too long and part of the branches can be retracted and rejuvenated; some of the main branches that are too low can be removed directly, pay attention to the miter saw to keep piles, and treat the wound in time; for the main branches with too large opening angles , You can take the measures of hanging to raise the branches. The whole tree pays attention to strengthening fertilizer and water management and the prevention and control of diseases and insect pests.
This type of tree is commonly known as the "card neck tree". Performance: The lower main branches are more and more vigorous, some main branches are thicker than the middle trunk, and the upper branches are weaker. The main contradiction of this type of tree lies in the lower part. Adjustment measures: Appropriately remove 1-2 lower main branches; open the angle of lower main branches; appropriately remove excessively large branches and excessively large branches on the lower main branches; comprehensively use pull branches, transfer branches, take branches, and loops on the lower branches Measures such as cutting, carving buds, thinning branches, and spraying flowers to disperse the polarity, and promote the flowering and fruiting of the lower branches; according to the situation, directly remove the middle stem and upper branches from the lower branches to transform them into a happy shape. After the transformation, pay attention to strengthening the fertilizer and water. Manage and do a good job in the prevention and control of pests and diseases.
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