Method for grafting walnut on Pterocarya stenoptera

A technology of maple poplar and walnut, which is applied in the field of grafting walnut to maple poplar, can solve the problems of weakening of water and soil maintenance, decline, walnut death, etc., and achieve the effect of ensuring nutrient supply

Inactive Publication Date: 2016-11-09
湖南省作物研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another method is to remove all the side branches below the grafted branches after grafting, which will cause the root system to die due to insufficient nutrition, and the retention rate is only about 10%
Moreover, after the root system of maple poplar dies, its ability to maintain water and soil weakens or even disappears, and it cannot play the role of a protective forest.
[0004] CN1266611A discloses a method for grafting walnuts with maple poplar at a high position, but it adopts

Method used

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  • Method for grafting walnut on Pterocarya stenoptera
  • Method for grafting walnut on Pterocarya stenoptera

Examples

Experimental program
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Embodiment 1

[0016] The method for grafting walnuts to maple poplars of the present embodiment comprises the following steps:

[0017] The maple poplar rootstock seedlings were planted in November after the leaves fell in the previous year. In June of that year, when the temperature was higher than 25°C, four oblique maple poplar twigs (the The thickness of the twigs of maple poplar is 1~1.5cm, and the skin color of the twigs of maple poplar is turquoise), and the skin bud grafting is adopted, and the walnut bud scion is grafted to the incision of the maple poplar rootstock; after the grafting survives, when the walnut twigs When the length is 15-25cm, pinch the heart once, and pinch the heart three times within 2 years (cultivate a dwarf, plump, and open walnut tree canopy); keep the horizontally growing maple poplar side branches at the base of the maple poplar rootstock below 30cm from the ground as supplementary support for the root system Branch layer (prevent maple poplar and walnut ...

Embodiment 2

[0021] The method for grafting walnuts to maple poplars of the present embodiment comprises the following steps:

[0022] The maple poplar rootstock seedlings were planted in December after the leaves fell in the previous year. In July of that year, when the temperature was higher than 25°C, 5 slanted maple poplar twigs (the The thickness of the twigs of maple poplar is 1~1.5cm, and the skin color of the twigs of maple poplar is turquoise), and the skin bud grafting is adopted, and the walnut bud scion is grafted to the incision of the maple poplar rootstock; after the grafting survives, when the walnut twigs When the length is 15-25cm, pinch the heart once, and pinch the heart 4 times within 2 years (cultivate a dwarf, plump, and open walnut tree canopy); keep the horizontally growing maple poplar side branches at the base of the maple poplar rootstock below 30cm from the ground as a supplementary support for the root system Branch layer (prevent maple poplar and walnut from ...

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Abstract

Provided is a method for grafting walnut on Pterocarya stenoptera. The method comprises the following steps: planting Pterocarya stenoptera stock seedlings after leaves are fallen in November to December in a previous year, in May to July in a current year, when air temperature is higher than 25 DEG C, selecting more than three Pterocarya stenoptera twigs which grow obliquely on top positions of the Pterocarya stenoptera stock, the distance between the top positions and ground being 45-60 cm, using sleeve skin budding to graft walnut bud scions on the notches of the Pterocarya stenoptera stock; after the grafting walnut survives, when length of the walnut twigs is 15-25 cm, pinching for one time, and pinching for 3-4 times in two years; and maintaining Pterocarya stenoptera lateral branches which grow horizontally on a Pterocarya stenoptera stock base as an auxiliary branch layer of roots, the distance between the Pterocarya stenoptera stock base and the ground being smaller than 30 cm. Using the method can change tall arbor of original Pterocarya stenoptera and walnut into dwarf arbuscule, and make reproductive growth dominates. In a third year, the walnut starts to fruit, and walnut yield is relative high. A crown is dwarf, culture management operation is convenient, and after fruiting, walnuts can be conveniently picked. The method realizes organic unity of ecological and economic benefits.

Description

technical field [0001] The invention relates to a method for grafting walnuts to maple poplars. Background technique [0002] Maple poplar and walnut trees belong to the same family and belong to different genus. They are both tall trees, which are not conducive to tube cultivation operations (such as pruning, spraying foliar fertilizers and medicines to prevent diseases and insect pests), and it is not easy to pick walnut trees after they bear fruit. [0003] Although maple poplar grafted with walnut has been recorded in ancient books of our country. However, this technique is only used as a cost-reducing method for walnut seedling cultivation and the survival rate is not high. In the prior art, the method for grafting walnuts to maple poplar seedlings is based on branch grafting, generally a top branch is grafted. Using this method, the survival rate of grafting itself is not high, and the retention rate after survival is not high, so it is difficult to Rapidly formed in...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G17/00
CPCA01G17/005
Inventor 刘劲汤睿刘永涂柳硕刘庆民
Owner 湖南省作物研究所
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