A Grafting Method for Correcting Partial Crown of Kapok Grafted Seedlings

Abstract

The invention discloses a grafting method for correcting partial crowns of kapok grafted seedlings. First, a robust kapok seedling with more than one round of branches is selected as a rootstock, and a robust upright kapok branch bud with the same thickness as the branch on the rootstock is selected as a scion; The connection method makes the cambium and phloem of the scion slope and each branch slope of the rootstock aligned and closely connected respectively, and the interface is wrapped and fixed with a plastic film. The present invention adopts specific bevel cutting method to do grafting on different branches on the first round of branches of the rootstock, and the grafting operation area of ​​the rootstock is large, which not only does not affect the survival of the grafting, but is more conducive to the survival rate of the grafting, and can Up to 96.67%. Because the branches in different directions are grafted, it is more conducive to the balanced and equal growth of each branch, thereby avoiding the occurrence of "partial crowns", making it more ornamental, and avoiding safety hazards, and can be widely used in gardens aspect.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation and relates to a grafting method for correcting partial crowns of kapok grafted seedlings. Background technique [0002] As the city flower of Guangzhou, kapok (Bombax ceiba) has rich and diverse genetic resources in my country, among which there are some varieties with excellent ornamental properties, such as "yellow flower kapok", "big flower kapok", "multi-flower kapok" and so on. However, excellent germplasm resources are always extremely scarce, and some varieties have even reached the endangered stage. Therefore, protecting resources and multiplying the number is a top priority for scientific researchers. The sowing and propagation of kapok seeds is easy to cause the separation of offspring traits, which is not conducive to the preservation of the genetic traits of the female parent, and the maturity period is long; the cutting propagation of kapok takes a long time, has no taproot,...

AI Technical Summary

Problems solved by technology

However, the existing kapok grafting methods are all single-stem grafting methods, which have the following disadvantages: 1) low survival rate: the survival rate of single-stem grafting is only 70-80%; 2) high cost: once the single-stem grafting fails, the rootstock will be damaged 3) High partial crown rate: even if single-stem grafting survives, it is very easy to produce partial crown phenomenon, which not only affects the landscape effect, but also has potential safety hazards

The kapok with a partial crown after grafting does not match the tall and straight heroic image of kapok, which seriously affects its ornamental properties, and has potential safety hazards, making it difficult to apply in gardens

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