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Grafting method for Castanea mollissima dwarfing

A chestnut dwarfing technology, applied in the field of chestnut dwarfing grafting, can solve the problems of low yield and benefit, achieve good economic benefits, reduce water loss rate, and promote rapid growth

Inactive Publication Date: 2020-03-13
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chestnut cultivation area in my country is large, but its yield and benefit are relatively low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A kind of dwarfing grafting method of chestnut, main operation step comprises:

[0040] (1) Scion collection

[0041] After all the leaves of the chestnut have fallen from January to February, collect 1-year-old branches with no pests and insects, full bud eyes, and a diameter of 0.8-1.5cm as scions from the vigorously growing fringe mother tree, and put the picked branches in a cool and ventilated place indoors;

[0042] (2) Scion treatment

[0043] After the scion is collected, seal it with a plastic bag and store it in a cold storage at 4°C. When grafting is required, place the scion in a cool place for more than 2 hours, and allow it to cool down to the natural temperature before grafting; the plastic bag contains broken chestnut branches. Crumbs, the scion is buried in the debris; the debris is that chestnut branches are crushed to a particle size of 0.5-0.8cm, sprayed with cypress leaf extract water before use, and the humidity of the debris is guaranteed to be 6...

Embodiment 2

[0063] A kind of dwarfing grafting method of chestnut, main operation step comprises:

[0064] (1) Scion collection

[0065] After all the leaves of the chestnut have fallen from January to February, collect 1-year-old branches with no pests and insects, full bud eyes, and a diameter of 0.8-1.5cm as scions from the vigorously growing fringe mother tree, and put the picked branches in a cool and ventilated place indoors;

[0066] (2) Scion treatment

[0067] After the scion is collected, seal it with a plastic bag and store it in a cold storage at 6°C. When grafting is required, place the scion in a cool place for more than 2 hours, and allow it to cool down to the natural temperature before grafting; the plastic bag contains broken chestnut branches. Crumbs, the scion is buried in the debris; the debris is that chestnut branches are crushed to a particle size of 0.5-0.8cm, sprayed with cypress leaf extract water before use, and the humidity of the debris is guaranteed to be 6...

Embodiment 3

[0087] A kind of dwarfing grafting method of chestnut, main operation step comprises:

[0088] (1) Scion collection

[0089] After all the leaves of the chestnut have fallen from January to February, collect 1-year-old branches with no pests and insects, full bud eyes, and a diameter of 0.8-1.5cm as scions from the vigorously growing fringe mother tree, and put the picked branches in a cool and ventilated place indoors;

[0090] (2) Scion treatment

[0091] After the scion is collected, seal it with a plastic bag and store it in a cold storage at 10°C. When grafting is required, place the scion in a cool place for more than 2 hours, and allow it to cool down to the natural temperature before grafting; the plastic bag contains broken chestnut branches. Crumbs, the scion is buried in the debris; the debris is that chestnut branches are crushed to a particle size of 0.5-0.8cm, sprayed with cypress leaf extract water before use, and the humidity of the debris is guaranteed to be ...

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Abstract

The invention discloses a grafting method for Castanea mollissima dwarfing, which comprises the steps of collecting scions, treating the scions, determining grafting time, carrying out a grafting method, providing management after grafting, pruning trees, and pruning branches by pulling. Robust branches are collected from a robust scion mother tree to serve as scions; 2- to 10-year-old big trees of Castanea mollissima which grow vigorously are used as rootstocks; grafting is carried out from late February to early and middle March, and after grafting, shoot removal, unbinding, watering fertilization and pest and disease control are carried out; when the scions grow to more than 80 cm, pruning is carried out, piling on the ground is carried out, and branch-pulling pruning is carried out using a rope so that the crown of trees is expanded and is cultured in heart shape or a spherical shape; in second year after grafting, flowering and fruiting can occur to form an early-fruiting and dwarfing fruiting forest of Castanea mollissima is formed. The grafting method has the advantages that grafting survival rate is high, the forest form is neat, trees of Castanea mollissima can be effectively dwarfed, the risk of unsafe harvesting of large and high trees is decreased, the requirement on constructing a low-yield forest of Castanea mollissima is met, and good economic benefit, social benefit and ecological benefit are provided.

Description

technical field [0001] The invention belongs to the technical field of plant asexual propagation, and relates to a grafting method for chestnut dwarfing. Background technique [0002] Chestnut (Castanea mollissima) Fagaceae (Castanea mollissima) is a plant of the genus Fagaceae. It is drought-tolerant and barren-resistant. Its fruit has high nutritional value and high economic value. It is an important dry fruit tree species of characteristic economic forest in my country, and it is also one of the earliest economic forest tree species cultivated and domesticated in my country. . Chestnut cultivation area in my country is large, but its yield and benefit are relatively low. [0003] In recent years, the chestnut industry has developed rapidly, and the preparation of improved seedlings is insufficient. Among the chestnut forests in our district, there are mainly seedling forests, and there are few vegetative propagation forests. The characteristics of natural chestnut are ma...

Claims

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Application Information

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IPC IPC(8): A01G2/30A01G2/35A01G2/38
CPCA01G2/30A01G2/35A01G2/38
Inventor 廖健明赵志珩梁文汇黄晓露廖建华李宝财廖立俊杨丹杨卓颖
Owner GUANGXI FORESTRY RES INST
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