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Method for breeding malus spectabilis through high-altitude layering grafting after shaping of spindling branches

A high-altitude layering and begonia technology, applied in the breeding field of aerial layering grafting, can solve the problems of unfavorable fruit tree growth, water and nutrient consumption, and large space occupation, and achieve the effects of shortening the breeding time, ensuring a strong root system, and improving the survival rate

Pending Publication Date: 2022-07-29
北京市陶然亭公园管理处
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

More importantly, the elongated branches grow rapidly and occupy a large space, which can easily close the canopy and consume a lot of water and nutrients, which is very unfavorable to the growth and fruiting of fruit trees.

Method used

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  • Method for breeding malus spectabilis through high-altitude layering grafting after shaping of spindling branches
  • Method for breeding malus spectabilis through high-altitude layering grafting after shaping of spindling branches
  • Method for breeding malus spectabilis through high-altitude layering grafting after shaping of spindling branches

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] (1) Selection of leggy branches: In March 2020, select modern Begonia (pink handkerchief, Malus'Hope') that grows robustly on large trees, 1-2 years old and lignified leggy branches of 1-3 cm in diameter, and treat the trees Quantity is 12.

[0065] (2) Side branch formation: select appropriate bud points on the leggy branches, and carve buds 1 cm above it (the buds are deep to the xylem, prompting the bud points to produce new strips to form side branches (see Figure 7 a).

[0066] (3) Circumcision at the lower end and T-shaped grafting: The width of the girdling at the lower end of the leggy branch is 2.5 cm, and the cambium after the girdling and peeling is scraped clean (see Figure 7 b), at the top 4 cm of the leggy branch girth part, cut an inverted "T"-shaped incision, deep to the xylem, and then use the back of the knife to debark both sides of the incision, and the rootstock with a root diameter of 0.5cm ( Begonia, Malus robustaRehd), with Malus beveled on o...

Embodiment 2

[0071] The method was basically the same as that of Example 1, except that it was carried out in March 2020. After girdling, the soil was directly filled and rooted under high pressure, and no rootstock was used for grafting (ie, the CK treatment group).

Embodiment 3

[0073] Basically the same method as Example 1 was adopted, except that it was carried out in March 2020, and only one rootstock with root was grafted (ie, treatment 1).

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Abstract

The invention relates to a method for breeding malus spectabilis through high-altitude layering grafting after shaping of a spindling branch. The method comprises the following steps: selecting the spindling branch; forming lateral branches; girdling the lower end and grafting; covering pots, filling soil and managing; cutting off the parent body to obtain a grafted seedling. According to the method, the spindling branches on the ornamental malus spectabilis can be fully utilized, shaping, layering rooting and stock grafting of the spindling branches are carried out at the same time, the survival rate reaches 100%, new modeling plants can be independently formed only about three months, flowering is carried out in the next year, the breeding time is effectively shortened, and the yield of the ornamental malus spectabilis is increased. The method has a positive promotion effect on rapid modeling and breeding of the Chinese flowering crabapple, especially the Chinese flowering crabapple which is rare and difficult to breed.

Description

technical field [0001] The present invention relates to a breeding method of Begonia, more specifically, the present invention relates to a breeding method of aerial layered grafting by using leggy branches on Begonia trees. Background technique [0002] Begonia is a horticultural plant of the Rosaceae apple genus. Its fruit is not only edible, but also has great ornamental value. Begonias are mostly deciduous trees or small trees, mainly distributed in Eurasia and North America, and China is the distribution center of Begonia resources. [0003] Begonias that mainly use ornamental value are called ornamental begonias. Their cultivation and management are relatively extensive. They can not only decorate courtyard squares, serve as street trees, but also create landscape avenues, flower mirrors, and flower streams. They can also be used in bonsai production. There are various forms of application. Has strong development potential. [0004] At present, the propagation method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30
CPCA01G2/30
Inventor 李剑雄杨颖韩旭苏毅史新欣张兰春
Owner 北京市陶然亭公园管理处