Grafting seedling growing method of Malus spectabilis

Abstract

The invention relates to a grafting seedling growing method of Malus spectabilis. The method mainly comprises the following steps: (1) a seedling of Malus spectabilis or Malus halliana are selected as a grafting stock, the stock is cut at the position 15-20 cm above the ground and stock treatment solution is spread on the stock, the stock treatment solution is a mixed solution of white vinegar, glycerol and zeatin; meanwhile, a raw branch of the current year is picked as a scion, the raw branch grows healthily, is good in lignifying degree, has plump buds evenly distributed and does not have any insect diseases, the length of the picked raw branch is 10-20 cm, the length of the scion is 3-4 cm, the thickness of the scion is 0.3-0.5 cm, a basal part of the scion is cut into a long cut face and a short cut face, scion treatment solution is spread on the cut faces, and the scion treatment solution is a suspending liquid of glutinous rice paste and iron oxide; (2) the stock and the scion subjected to treatment separately are grafted with a cutting grafting method; (3) a connecting part is sealed with wax; and (4) a full illumination constant temperature environment is maintained in the first 3 to 7 days after grafting, and stock sprouts are removed after the scion sprouts. The method can solve the problems of long sowing and seedling growing period, low survival rate and slow growth of Malus spectabilis.

Description

technical field [0001] The invention relates to the technical field of raising seedlings of garden flowers and trees, in particular to a method for grafting and raising seedlings of crabapple flowers. Background technique [0002] Begonia flower (scientific name: Malus spectabilis (Ait.) Borkh): tree, up to 8 meters high; branchlets are thick, cylindrical, pubescent when young, and gradually fall off, reddish-brown or purple-brown when old, glabrous. In recent years, crabapple flowers, which are traditional flowers and trees, have been widely planted. It can be seen in parks, government agencies, schools, factories, and scenic spots. It can be seen everywhere in China. [0003] The seedlings of crabapple grow slowly, and it will take 5-6 years to bloom, and often produce variety variation, so it is only used as rootstock cultivation and hybrid breeding. Horticultural varieties are mostly propagated by grafting. Vitex or Begonia seedlings are used as rootstocks. Both branch...

AI Technical Summary

Problems solved by technology

Horticultural varieties are mostly propagated by grafting. Vitex or Begonia seedlings are used as rootstocks. Both branch grafting and bud grafting are acceptable. Branch grafting can be cut grafting or split grafting. Before germination or after fall of leaves in autumn and winter, the existing grafting survival rate is not high, about 70%. In order to improve the grafting survival rate, the common method is to dip the scion in wound healing agent and then graft it. However, the traditional wound healing The agent will affect the growth rate of the plant, which is not conducive to shortening the seedling cycle