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Vegetative propagation method for SH-series apple dwarfing rootstock

A technique of dwarfing rootstocks and vegetative propagation, which is applied in botany equipment and methods, horticulture, cultivation, etc. It can solve the problems that the characteristics of SH-series apple dwarfing rootstocks cannot be fully utilized, increase the cost of seedling cultivation, etc., and achieve high yield and stress resistance Sexuality, accelerated seedling raising speed, and broad application prospects

Inactive Publication Date: 2013-06-12
POMOLOGY INST SHANXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves a series of restrictions on SH apple dwarfing rootstocks such as the fact that only intermediate stock can be used in the actual promotion of SH apple dwarfing rootstocks, so that the characteristics of SH apple dwarfing rootstocks cannot be fully utilized, prolonging the nursery emergence period, and increasing the cost of seedling cultivation. The bottleneck problem of the rapid development of dwarf rootstocks, and provide a method for asexual reproduction of SH-line apple dwarf rootstocks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for asexual propagation of SH line apple dwarf rootstocks, comprising the steps of:

[0025] 1) Acquisition and treatment of SH-line apple dwarf rootstock grafted seedlings

[0026] In August, use the method of bud grafting to graft SH-series apple dwarf rootstocks on the seedlings of the eight-edged crabapple that year. Cut off the top 2 cm above the grafted buds to promote the germination of the grafted buds; after the grafted buds germinate, in order to maintain the growth of the branches formed by the grafted buds, the branches formed by the germination of the buds of the eight-edged Begonia seedlings Cut off, and when the grafted buds form branches and reach a height of 1 meter, press them down to be parallel to the ground;

[0027] 2) Obtaining new branches for cuttings

[0028]On the branches formed by the grafted buds, girdling a girdling opening with a width of 1 mm every 4 leaves in the range of 70 cm from its base upwards, and wrapping the girdling...

Embodiment 2

[0038] A method for asexual propagation of SH line apple dwarf rootstocks, comprising the steps of:

[0039] 1) Acquisition and treatment of SH-line apple dwarf rootstock grafted seedlings

[0040] In September, use the method of bud grafting to graft SH-series apple dwarf rootstocks on the seedlings of the eight-edged crabapple that year. Cut off the top 2 cm above the grafted buds to promote the germination of the grafted buds; after the grafted buds germinate, in order to maintain the growth of the branches formed by the grafted buds, the branches formed by the germination of the buds of the eight-edged Begonia seedlings Cut off, and when the grafted buds form branches and reach a height of 1 meter, press them down to be parallel to the ground;

[0041] 2) Obtaining new branches for cuttings

[0042] On the branches formed by the grafted buds, girdling a girdling opening with a width of 1 mm every 4 leaves in the range of 70 cm from its base upwards, and wrapping the gird...

Embodiment 3

[0052] A method for asexual propagation of SH line apple dwarf rootstocks, comprising the steps of:

[0053] 1) Acquisition and treatment of SH-line apple dwarf rootstock grafted seedlings

[0054] In July, the SH-series apple dwarf rootstocks were grafted on the seedlings of the eight-edged crabapple by budding. Cut off the top 2 cm above the grafted buds to promote the germination of the grafted buds; after the grafted buds germinate, in order to maintain the growth of the branches formed by the grafted buds, the branches formed by the germination of the buds of the eight-edged Begonia seedlings Cut off, and when the grafted buds form branches and reach a height of 1 meter, press them down to be parallel to the ground;

[0055] 2) Obtaining new branches for cuttings

[0056] On the branches formed by the grafted buds, girdling a girdling opening with a width of 1 mm every 4 leaves in the range of 70 cm from its base upwards, and wrapping the girdling place with high-temper...

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Abstract

The invention provides a vegetative propagation method for an SH-series apple dwarfing rootstock, which is characterized in that the SH-series apple dwarfing rootstock is buried to promote germinating new branches, and then cuttage is performed on the new branches to take root in an arched shed. The method comprises the following steps: 1, obtaining and processing of grafted seedlings of the SH-series apple dwarfing rootstock; 2, obtaining of new branches for cuttage; 3, collection and processing of new branches for cuttage; 4, good processing of cuttage of new branches; 5, management after cuttage; and 6, transplanting and management of cutting seedlings. The method breaks through the bottleneck that apple nursery stock propagation of the SH-series apple dwarfing rootstock can only be performed by an intermediate stock method, and enables the cuttage rootage rate of the SH-series apple dwarfing rootstock to reach 80%, and the transplanting survival rate to reach more than 75%. According to the method, the SH-series apple dwarfing rootstock can completely and really exert the performance of early bearing, high quality and high yield, and the characteristics of strong stress resistance, wide adaptability and good substantivity of rootstock scions. The method has wide application prospect and remarkable social and economic benefits.

Description

technical field [0001] The invention relates to the technical field of asexual reproduction of plants, in particular to a method for asexual reproduction of SH-series apple dwarf rootstocks. Background technique [0002] SH series apple dwarf rootstocks were selected by the Institute of Fruit Trees, Shanxi Academy of Agricultural Sciences using the method of cross breeding (Guoguang × Henan Begonia, 1978-1994), including various types from semi-dwarf to dwarf, with shortened The vegetative growth time of apple trees, the ability to promote the transformation of vegetative growth to reproductive growth, so as to achieve early fruit, high quality and high yield. SH series apple dwarf rootstocks have the characteristics of strong stress resistance, wide adaptability, and good compatibility with rootstock and ear in terms of biological characteristics. After many years of observation and practice by apple experts and fruit growers, it has been shown that grafting apples on SH-...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G17/00A01G1/06
Inventor 王国平陈秋芳田歌张拥兵肖蓉李春燕田建保杨凯
Owner POMOLOGY INST SHANXI ACAD OF AGRI SCI
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