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A kind of method of spring high position branch grafting of iron walnut

A high-level grafting, iron walnut technology, applied in botanical equipment and methods, grafting, horticulture and other directions, can solve the problems of early recovery of walnut tree canopy and low survival rate of iron walnut grafting, etc., and achieves fast wound healing and convenient grafting. Operation and post management, the effect of low grafting cost

Inactive Publication Date: 2016-08-31
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: provide a kind of method of spring high-level grafting of iron walnut, it solves the problem of low survival rate of spring grafting of iron walnut in Guizhou mountainous area, convenient and fast, high in grafting survival rate, the crown of walnut tree after grafting recovers quickly, results Early, can meet the needs of iron walnut low-yielding trees to replace high-quality ones

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of method for iron walnut spring high position grafting, comprises the following steps,

[0020] Step 1. Rootstock tree structure adjustment and tree vigor restoration: Reshape the crown skeleton structure of the "Qianhe No. 7" walnut tree with weak tree vigor one year in advance, select the necessary main branches, and re-cut aging and pests branch. At the same time, deep plow the soil of the walnut orchard, and apply 1-1.5 kg of urea nitrogen fertilizer and 0.3 kg of potassium dihydrogen phosphate to each adult tree before budding in spring to restore tree vigor.

[0021] Step 2. Collection and storage of scions: During the dormant period of "Qianhe No. 7" (middle and late January), cut the excellent mother trees of "Qianhe No. 7" in the scion picking nursery, which grow fully, with full buds and small pith cores. 1. The annual vegetative branches free from diseases and insect pests are grafted spikes, heated to 100-110°C with a mass percentage of 1:9 beeswax:...

Embodiment 2

[0028] Embodiment 2: a kind of method for iron walnut spring high position grafting, comprises the following steps,

[0029] Step 1. Rootstock tree structure adjustment and tree vigor restoration: reshape the crown skeleton structure of the "Qianhe No. 6" walnut tree with weak tree vigor one year in advance, select the necessary main branches, and re-cut aging and pests branch. At the same time, deep plow the soil of the walnut orchard, and apply 1-1.5 kg of urea nitrogen fertilizer and 0.3 kg of potassium dihydrogen phosphate to each adult tree before budding in spring to restore tree vigor.

[0030] Step 2. Collection and storage of scions: During the dormant period of "Qianhe No. 6" (middle and late January), cut the high-quality mother trees of "Qianhe No. 6" in the scion picking nursery, which grow fully, with full buds and small pith cores. 1. The annual vegetative branches free from diseases and insect pests are grafted spikes, heated to 100-110°C with a mass percentag...

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Abstract

The invention discloses a method for top grafting of juglans sigllata dode in spring. The method includes steps of rootstock tree structure conditioning, tree vigor recovery, graft collection and storage, grafting time selection, rootstock selection, treatment, grafting, post-grafting management and the like. Grafting low-yielding trees of the juglans sigllata dode to increase yield is realized by the spring top grafting technology, single-plant survival rate in grafting is as high as 97%, survival rate of buds ranges from 77% to 89%, and cuts are fast in heel, operation is facilitated, grafting efficiency is high, and the problem of breed improvement of low-yielding trees of the juglans sigllata dode in mountainous areas of Guizhou in China is solved. The method is simple, low in cost, good in using effect and wide in industrialized application prospect.

Description

technical field [0001] The invention relates to a fruit tree grafting method in the field of agricultural science, in particular to a method suitable for high-level grafting of iron walnuts in mountainous areas of Guizhou in spring. Background technique [0002] Iron Walnut ( Juglans sigillata Dode.) is a unique species of walnut native to Southwest my country. It has the advantages of heat and humidity resistance, strong stress resistance and good quality. It is not only an excellent parent of walnut hybrid breeding, but also a native variety widely cultivated in Yunnan-Guizhou Plateau. The traditional planting of iron walnuts in Guizhou mountainous areas mostly adopts seed cultivation, and the traits of offspring are greatly separated; the quality of seedlings in the current large-scale walnut industrial base construction is uneven, resulting in late fruiting, low yield, and poor quality of nuts for many plants. The walnut varieties were transformed by high grafting. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 潘学军彭剑张文娥张政
Owner GUIZHOU UNIV
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