Grapes should bear more fruits and ripen sooner or later. The greenhouse is a good place. But grapes need to be dwarfed in greenhouse, so how can we dwarf grapes without affecting quality and yield? Today, Bian Xiao will introduce you to the pruning method of dwarf grape seedlings.
Dwarfing method of potted grapes
1, capped
Potted grapes have strong germination ability. When the main branches grow to a certain height, the top branches should be cut off in time, and the side branches should be picked when they grow to a certain degree, so that the vines can be dwarfed.
2. Qugan
The branches of potted grapes are soft and easy to bend. When the branches grow to a certain height, I-bending treatment should be carried out, that is, bending the branches to make them spiral around, so as to dwarf the plants and form a spiral shape.
prune
Lianas should be pruned constantly at seedling stage, so as to shorten transverse branches, pests and diseases branches, dead branches and excessively long branches, promote branch germination, and achieve the purpose of dwarfing and flowering.
4, girdling
For flowers and trees that are easy to take root, such as grapes, after the plants set fruit, they should be peeled under the fruit branches in a ring shape, and the plastic film with fertile substrate should be wrapped around the peeling place, and short new plants can be formed after 2-3 months.
Matters needing attention in dwarfing potted grapes
Choose a sunny place and put a proper amount of coarse-grained rice stalks at the bottom of the basin. Nutrient soil can be prepared by mixing soil, sawdust, bark, decaying residue, etc. And ceramsite can be inserted into the basin to increase drainage and ventilation.
Potted grapes can be directly placed on the surface of potted soil, and compound fertilizer or decomposed cake fertilizer can be applied, and a small amount of compound fertilizer or decomposed fertilizer can be applied when sprouting. In addition, applying organic liquid fertilizer to grapes once a year in summer not only ensures sufficient nutrients, but also promotes flower bud differentiation.