Gala apples are the main varieties of apple mid-maturing varieties. They have good quality, high selling price and good production efficiency. However, the poor fruit homogeneity and vigorous tree vigor are the outstanding problems in the production of Gala apples. The following problems can be solved by using the following pruning techniques: The tree culture has different cultivation densities and different tree shapes should be cultivated. Under normal circumstances, the spindle-shaped tree has fewer branches, good permeability, favorable preterm birth, high yield, and stable yield. It is an ideal tree shape for Gala apple. Because of its more open posture, when cultivating tree-shaped pruning, it is necessary to prevent the occurrence of strong and weak phenomenon. It is necessary to pay attention to supporting the growth of dryness and to maintain the absolute growth advantage of the dry trunk. Sapling pruning points 1 increase branch expansion. The Jura apple tree has a high germination rate, medium branching force, and young sapling growth. To increase the photosynthetic area and increase the accumulation of photosynthate, young trees should be paid attention to as many branches as possible. For branches with space and promising development, the number of shoots should be minimized. Cut off to increase the ability of the tree to produce photosynthetic products. 2 to prevent the deterioration of the crown light. Gala apple trees grow vigorously in juvenile, poor illumination in the crown, easily lead to weak branches in the crown, low ability to produce results, attention must be paid to open angles in the management, branch axis must be uniaxially extended, for the external competition branches, upright Branches and shading sticks should be removed in time to ensure that the growth of the trees is more than 35%. 3 results Branches culture. When cultivating uniaxially extending branch groups, the branches on both sides of the branch axis and on the back are broken, and a series of flowering branches can be cultivated to form a string-shaped result branch group; when cultivating the resulting branch group, the size should be flexible according to the space size. Mastering, space can choose strong and short branches, promote branching, occupy space. The pruning point of the full fruit period 1 amount of fruit, reasonable load. The Gala apple tree is easy to form short and middle and short fruit branches and has a high rate of fruit set. However, excessive fruit setting often results in uneven size of the fruit and it is difficult to improve the quality. The pruning should be used to make the tree load reasonable so as to improve the fruit quality. The general results of the branches should be strictly controlled at about 30% of the total branches, the branches should be broken in time, converted to auxiliary branches, to summer sparse fruit thinning, the leaf to fruit ratio is controlled at 35:1 to 40: 1, The fruit spacing is between 15 and 18 centimeters to facilitate uniform fruit size and increase its commercial quality. 2 Strictly control the results of alfalfa sprouts. The Gala apple tree has the habit of flower buds, but the result of the bud blossom is also one of the main reasons causing the size of the Gala apple to be uneven. Because of the small leaf surface and lack of nutrition, flower bud buds are limited in fruit growth and their quality is usually not high. The buds should be removed. 3 Strictly control the amount of branches and maintain good permeability. The Jura apple tree has a high germination rate, medium branching ability, and is prone to light deterioration, resulting in the relocation of the resulting parts. Production should pay attention to controlling the amount of branches, and the amount of mu branches should be controlled at 80,000 to 100,000 pieces. 4 Balance the tree potential. Gala apple tree vigor is relatively open. In production, strong and weak phenomenon is easy to occur. When pruning, the extension angle of the upper branch should be kept larger than the extension angle of the lower branch. The upper branch should retain more fruits and flowers as appropriate, and flowering results will consume nutrients and slow down. The growth of the branches achieves the effect of balancing treetops. 5 Maintain strong results. Strong nutrients accumulate on the strong branch, and the result is strong. The result is good quality and should be the main result location. Under normal circumstances, Gala apple trees perform better on two-year branches, and two-year branches should be cultivated as much as possible. 6 Prevent tree vigor from weakening. When the Gala apple tree enters the full fruit period, the tree potential is medium, and if the result is too much, the nutrients of the tree body will be consumed in large amounts, and the phenomenon of tree vigor will appear. In pruning, one must strictly control production. The fruit production period should be controlled at about 3,000 kilograms, and the excess fruit and fruit should be removed in time to prevent excessive consumption of tree nutrients. Second, we must reserve enough supplementary support. Preparation of auxiliary feeding branches should account for more than 40% of the total branch volume, which is one of the key measures for stable tree potential. Third, we must strengthen the update. After the results, the branches that began to age should be updated to maintain the age of the results within 2 to 4 years to prevent the aging of the branches.
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