The old apple tree grafting haitang

In recent years, with greening projects of large size of hitom demand increase, afforest nursery cuhk specifications haitang obviously not enough use, such as the dosage of larger sit around haitang colored tree species and royal hitom, etc. With haitang, which belong to the apple trees were used as grafting haitang root stock. Orchard in the production of apple from the fruit stage, although have weaker capacity of producing fruit, but the tall tree and thick branches, can play a role in landscaping.

Raw materials selection

The apple tree life is not too long, generally Qiao Hua anvil can reach 40 years, dwarf anvil in 20 years or so. When choosing the apple trees, tree to buy in the 10 years old tree, the biggest can't more than 15 years. Also, don't choose insect and serious apple trees.

The tree species, its affinity of Chinese flowering crabapple is also different. Common tree species are red star series, Fuji series and so on, these two kinds of affinity range, to use Joe anvil as well. Before grafting, and affinity hitom do test for apple, as each species of affinity, as far as possible with good grafting affinity. Need to do with the apple trees grafted the previous year, promote the new root germination. Increased at the same time, dig a circle of 70 cm wide, about 30 cm deep ditch, nutrition into good fermentation organic fertilizer rates, the ternary compound fertilizer and soil fertile soil.

Grafting operation

Garden Supplies, Using apple grafted before here for nearly a year to do shrink crown canopy, leaving a skeleton, after waiting for a annual branches. Grafting pick two points after spring and summer, the spring of by mainly using the plug and cleft grafting, the summer after the jump grafting or take xylem bud grafting. Spring meet under the apple tree before furrowing, application of NPK, ensure its vigorous growth, after grafting can add urea nitrogen, etc. The summer after the apple trees are in growth most productive period, the basic no fertilizer. After grafting, according to the situation of soil dry wet water, be careful not to water too much. Summer after branches and more big, best to set up the scaffold. At the same time, frequent observation, timely removal of apple germination branches.