Wild walnut stock grafting method

The technology of wild walnut and this anvil is applied in the field of walnut grafting, can solve the problems of high difficulty, difficult to popularize and apply, strict conditions, etc., and achieves the effects of improving economic value and improving grafting survival rate.

Pending Publication Date: 2022-01-14
FUJIAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are expensive, costly, strict and difficult, and are not easy to be popularized and applied in the main walnut producing areas of our country and our province.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of wild walnut main stock grafting method, comprises the following steps:

[0035] S1: Garden selection, choose an area with an annual average temperature of 10-15°C, a rainfall of 500-900 mm, and an altitude of 600 meters as the garden. The soil layer thickness is more than 1m, the soil is fertile, the soil is neutral to slightly acidic, and the pH value The adaptation range is 5.5, choose the gentle slope of the mountain, the sunny and leeward area;

[0036] S2: Rootstock selection, use 1-year-old or 2-year-old healthy walnut seedlings without disease as the rootstock, the ground stem is not less than 1.5cm, and after digging, cut off the main and lateral roots longer than 3cm for later use;

[0037] S3: fringe selection, select the walnut trees in the early fruit stage and the full fruit stage of strong growth, good development, no damage by diseases and insect pests and parasitic branches as the mother tree for fringing, and adopt the branches removed from th...

Embodiment 2

[0044] A kind of wild walnut main stock grafting method, comprises the following steps:

[0045] S1: Garden selection, choose an area with an annual average temperature of 10-15°C, rainfall of 500-900 mm, and an altitude of 1,500 meters as the garden. The soil layer thickness is more than 1m, the soil is fertile, the soil is neutral to slightly acidic, and the pH value The adaptation range is 8, choose the gentle slope of the mountain, the sunny and leeward area;

[0046] S2: Rootstock selection, use 1-year-old or 2-year-old healthy walnut seedlings without disease as the rootstock, the ground stem is not less than 2.0 cm, and after digging, cut off the main and lateral roots longer than 5 cm for later use;

[0047] S3: fringe selection, select the walnut trees in the early fruit stage and the full fruit stage of strong growth, good development, no damage by diseases and insect pests and parasitic branches as the mother tree for fringing, and adopt the branches removed from th...

Embodiment 3

[0054] A kind of wild walnut main stock grafting method, comprises the following steps:

[0055] S1: Garden selection, choose an area with an annual average temperature of 10-15°C, rainfall of 500-900 mm, and an altitude of 1,000 meters as the garden. The soil layer thickness is more than 1m, the soil is fertile, the soil is neutral to slightly acidic, and the pH value The adaptation range is 6.5, choose the gentle slope of the mountain, the sunny and leeward area;

[0056] S2: Rootstock selection, use 1-year-old or 2-year-old healthy walnut seedlings without disease as the rootstock, the ground stem is not less than 1.8cm, and after digging, cut off the main and lateral roots longer than 4cm for later use;

[0057] S3: fringe selection, select the walnut trees in the early fruit stage and the full fruit stage of strong growth, good development, no damage by diseases and insect pests and parasitic branches as the mother tree for fringing, and adopt the branches removed from th...

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PUM

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Abstract

The invention discloses a wild walnut stock grafting method. The method comprises the following steps: S1, garden selection; S2, rootstock selection; S3, scion selection: selecting walnut trees which grow robustly, develop well and have no plant diseases, insect pests or parasitic branches in the initial fruit period and the full fruit period as seed trees for scion picking, and adopting branches without outer edges of tree crowns as scions; and S4, grafting: carrying out rootstock cutting, scion cutting, rootstock and scion jointing and binding. The method has the advantages that it can be guaranteed that calluses of walnut grafted bodies can be formed within 12 days, and the survival rate is 90% or above; by the adoption of the technical scheme, a large number of walnut rootstock grafted seedlings which are obtained every year and have vigorous vitality can be obtained, the survival rate of the wild walnut stock grafting is increased, the large-scale grafting survival rate can reach about 90%, and the preservation rate is 80% or above; the wild walnut tree bodies can bear fruits in advance, and meanwhile, batch and variety seedling culture of the wild walnut trees is also realized, so that the economic value of the wild walnuts is greatly improved.

Description

technical field [0001] The invention relates to the technical field of walnut grafting, in particular to a wild walnut root stock grafting method. Background technique [0002] Wild walnut, also known as pecan. Department of Juglandaceae Juglans, deciduous trees or small trees; the main difference from other species of this genus is that the leaflets are densely pubescent and star-shaped hairs on the underside after they grow; the infructescence is long and drooping. The seed oil content reaches 34%, edible, can make soap, make lubricating oil; Wood, bark and pericarp etc. have various economical and medical purposes. [0003] The grafting of walnuts is generally selected in early spring, using dormant branches and using the branch grafting method. Due to the heavy injury of walnut rootstock and the large pith of branches, which affects the survival of grafting, some methods of artificially providing heat energy to improve the survival rate of grafting have been widely car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30A01G17/00
CPCA01G2/30A01G17/005
Inventor 黄勇朱祥锦范妙彬李志真谢一青徐世荣郑志平张贻龙
Owner FUJIAN ACAD OF FORESTRY
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