A bogey does not pay attention to cutting before the flowers. Many fruit growers in the fruit area have insufficient understanding of the important significance and function of pre-harvest compounding, and their technology is also partially understood. Therefore, many fruit growers only attach importance to cutting in winter and contempt for cutting before flowering, and some cropping shears are merely “sacrificeâ€. "Over and over, some did not cut it. It should be noted that cutting before flowering is the continuation of winter shearing, which is to further adjust the relationship between vegetative growth and reproductive growth, and to determine a reasonable flower bud and leaf bud ratio. After careful cutting, it can reduce the inefficient consumption of nutrients and water, concentrate the supply of nutrients and moisture to the remaining flower buds and leaf buds. In this way, it is possible to overcome both size and size, increase the fruit setting rate and fruit rate, increase economic efficiency, and extend the economic life of the tree.
Second bogey does not understand the main object and the best period of complex shear. The main object of compound cutting is the apple tree that enters the result period. The best period is after the sprout of spring fruit tree is from germination to before flowering. At this time, the flower buds and big leaf buds of most varieties are already obvious and easily recognizable. The main differences in the external morphology of flower buds and leaf buds are:
Flower bud head round neck fine, most varieties from the three angles.
The color is shiny and luxuriant, and the scales clasp tightly together.
The bud of the bud is strong, and the triangle is not thin and long.
The scales clasp loosely and the hairs are not bright.
Three bogey shears do not distinguish between the size of the year. The annual size of the apple tree is different. If it is a big year, it is necessary to change flowers with flowers, retain short fruit branches, light and short cut, long fruit branches; for the mean tree branches with slow release, light head as a vice; for string flowers usually leave 3-4 flower buds; Flowers buds generally do not stay. It is necessary to eliminate the delicate flowers in the beak; the saplings that are expanding their crowns should not be allowed to retain the top flower buds. In the case of young people, flower buds should be left. In particular, apple trees that have undergone major changes should leave more flower buds; for moderate trees, they should be shorter, so as to reduce the amount of flower formation; and for large stem buds that are thick and easy to strip on the back of each main branch. Branches are cut in order to cultivate fruiting branches; for big leaf buds on both sides of the stem, and drooping big leaf shoots, slow release is the main; medium and long fruit shoots are generally not to be broken; no flowers have been laid for years. The slender branch of the shaft should be retracted to avoid excessive annual expenditure. The size of the year trimmed mouth is:
The flowers of the New Year spend more flowers, and the long fruit branches short it.
Slowly put flowers in the branches, the results of the coming year depend on.
Small young flowers should stay more, and long fruit branches do not break.
In the middle branch, the middle branch will be cut, and the next year will surely come.
Four bogey shears do not distinguish the tree. The strength of the tree is not the same, and the cutting method is not the same. It is necessary to adhere to the principle of "strong trees cut back and spend more and spend more, weak trees cut back and leave less flower buds early". For Wangshu cutting, slow-release and light-cut are the main factors. For the successive release of consecutive years, a strong branch and a live hat should be used in the complex shearing, a dead tree should be worn on the mean tree branch, and the weaker branch should take away two-thirds of the flower buds for retraction. For weak growth and full of trees are flower buds, should be broken flower buds pruning-based, more sparsely flowering branches, leaving more stout branches full of buds; less sparse vegetative branches, less wounds. Practice has proved that the weak trees have many flower buds. The use of early sparse flower buds or broken flower buds to trim and flower to set a good effect, is conducive to improving the fruit setting rate and restoring tree vigor.
Five bogey does not distinguish between varieties. Variety reaction is not the same, the method of cutting is not the same. For varieties that are not sensitive to pruning, such as: Qin Guan, Jin Guan, etc., in the complex shearing should be done for the supporting branches: "Blossoming blooms with a short flower, and long bunches with a half." And the marshal sensitive to pruning response The long-branched Fuji varieties that are sensitive to pruning and pruning were more predominantly slow-released, multi-branched, and multi-carve buds. See flowers and then retracted. In order to prevent red flowers in complex cutting, "shallow flower pruning" (that is, 1-2 leaf buds should be left before flower buds) and "shrinkage combined method" should be done (ie, 1-2 slow-release should be reserved before flower buds). Nutritional twigs). In the later stages of the results, attention should be paid to retracting the weakened uniaxial extension branch and cultivating some of the small and medium-sized result branches to rejuvenate the tree and prolong the life of the tree.
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