Don't relax after apricot harvest management
There is still a long period from apricot harvest to fallen leaves. Strengthening management during this period plays an important role in reducing the occurrence of diseases and insect pests, restoring tree potential and improving the quantity and quality of flower buds.
For mature fruiting trees, proper pruning is mainly to adjust the density of branches and cut off the disease and insect branches, cross branches, overlapping branches, thin and weak branches and long branches in the crown, so as to reduce tree consumption, increase the accumulation of photosynthates and promote the formation of flower buds.
Fertilizer and water management apricot should be fertilized in time after harvest, especially for the trees with weak tree potential and more fruit in the same year, in order to make up for the lack of nutrients. Organic fertilizer and a small amount of phosphorus and potassium fertilizer can be applied in ditch.
Drainage and waterlogging prevention is due to the fact that apricot trees are not resistant to waterlogging, especially those that use peaches as rootstocks. Stagnant water should be eliminated in time when the rainy season comes.
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Technology of height grafting and replacement of Golden Pear
Most varieties of white pear and sand pear system can be changed to golden pear. To change the connection of a big tree, we should first determine what kind of tree shape to change, and then according to the requirements of the tree shape, select the backbone branch and the first branch. The original head of the new branch was sawed off, and the scion with suitable thickness was selected for grafting. The scion uses annual branches. Cut the full shoots in winter or spring and store them in the cold storage or dig trenches to cultivate sand in the shade. Multi-head grafting was carried out in late March. Generally, 5-year-old trees with 10 buds per tree, 5-10-year-old trees with 10 buds per tree
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Jinshui pear
The new variety bred by Shanxi Fruit Tree Research Institute was bred by crossing Yali pear and Jinli pear. It has been cultivated in Shanxi Province. The fruit is medium-sized, with an average single fruit weight of 195g and oval. Fruiting pedicel extremely long, sepals deciduous. The pericarp is greenish yellow, yellowish white after storage, the fruit surface is smooth and glossy, the pulp is white, the core is small, the meat is fine, crisp, juicy, sweet, contains 12.3% of soluble solids, 8.9% of soluble sugar, and 0.18% of titratable acid. The quality is excellent. The tree is strong, sprouting and branching.
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