A course on the latest cultivation techniques of dwarf apple trees

Dwarfing apple trees is a current cultivation trend, dwarfing fruit trees are beneficial to management and easier to pick. It can shorten the result time. There are many advantages, so now it is generally dwarfing cultivation. How to cultivate dwarf apple seedlings and what to pay attention to? let's learn about the specific cultivation methods now.

1. Seedling raising method

Now to cultivate the rootstock, first carry on the hierarchical treatment to the rootstock, the rootstock grows to a certain height and thickness, can be grafted. Choose a suitable scion and the grafting will be carried out in autumn. After grafting, attention should be paid to maintenance, heat preservation, moisturizing, and removal of rootstock sprouts to promote the survival of grafting. After survival, don't be in a hurry to unbind in winter. Attention should be paid to anti-freezing management in winter.

2. Fertilizer and water management

After the grafting of fruit trees, the management of grafted seedlings, pay attention to watering, fertilization, mainly to promote growth, about once a month to two months, each fertilization needs watering. But watering is not restricted by fertilization. Maybe if the soil is dry, it needs watering. Maintain 60% of the soil moisture. If there is no stagnant water, the ditches in the orchard should be dredged and drained in time after heavy rain. It is also said that phosphorus and potassium fertilizer is mainly applied in the long and late stage of the work, and nitrogen fertilizer is mainly applied in the early stage. Organic fertilizer is used in combination with chemical fertilizer.

3. Disease and pest control

The common diseases are anthracnose and ring disease, which are sprayed twice with 300 times liquid of Liangguoan, organosilicon and Vofengsu 600 times solution to treat the disease, and then add silicone with 60 times solution of Kui Kuling to spray and brush the trunk. Anthracnose was treated with 2000-fold solution of 45% prochloraz microemulsion and 80% mancozeb complex solution. Some common insects, aphids, mites, can use insecticidal lamps.

4. Pruning method

Seedling growth, mainly leave the trunk, the main branch, and then get rid of the unwanted branches, leaving about 3 trunk, 5 main branches, and then can leave branches step by step. Remove overgrown branches, dense branches, disease and insect branches, and redundant auxiliary branches. The young tree did not take shape. There are no senescent branches, mainly through reasonable pruning to help shape.

Dwarfing is a good way to cultivate fruit trees, as well as for apple trees. Cultivation needs to pay attention to some basic management measures.