Method for grafting big Chinese evergreenchinkapin trees

A technology of large trees and chestnuts, applied in the field of regrafting of large chestnut trees, can solve the problems of low grafting survival rate of chestnuts, displacement of dressing wounds, slow tree growth and recovery results, etc., to improve grafting efficiency and scion survival rate Effect

Pending Publication Date: 2018-06-29
RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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Problems solved by technology

[0007] The present invention solves the problems of inconvenient operation, complex procedures for reshaping and dwarfing tree shapes in the existing high-grafting and replanting technology, and the traditional grafting method has complicated procedures, low grafting efficiency, and frequent gaps between the scion and the rootstock. The xylem is cut unevenly and can’t be fully fitted, resulting in gaps, easy to shift when bandaging the wound, difficult to form callus between the scion and the rootstock, re...

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  • Method for grafting big Chinese evergreenchinkapin trees
  • Method for grafting big Chinese evergreenchinkapin trees
  • Method for grafting big Chinese evergreenchinkapin trees

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Embodiment Construction

[0039] Below in conjunction with accompanying drawing, the present invention will be further described:

[0040] Such as figure 1 Shown, a kind of chestnut big tree rejoining method, its method step is as follows:

[0041] (1) Trunking of large trees: During the dormant period, the large chestnut trees are truncated, and the method of truncating is selected according to different tree shapes, the number of hidden buds and their distribution. Cut off at ~50 cm; if the tree is naturally open-heart-shaped, cut off the branches at a distance of 50 cm to 80 cm from the ground. Use a sharp chainsaw to cut off the main trunk or large branches, and apply Vaseline or lime sulfur mixture to protect the section after cutting to prevent the invasion of diseases and insect pests;

[0042] (2) Cultivate new shoots: After the tree is cut off, strengthen the management of the forest land, including clearing the garden, plowing the soil, weeding, fertilizer and water management, pest contro...

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Abstract

The invention discloses a method for grafting big Chinese evergreenchinkapin trees. The method is characterized by comprising the steps of (1) truncation of the big chestnut trees; (2) cultivation ofnew shoots; (3) scion preparation; (4) stock treatment; (5) grafting; (6) post-grafting management; the survival rate of grafting can be as high as 95% through the above-mentioned method, the graftingefficiency is greatly improved, a large number of thick branch groups are grown in the same year when the grafting is performed to form a full crown, and a large number of fruits are born in the second year. The problems in the prior art of low survival rate of the grafting of the Chinese evergreenchinkapin trees, the need for many years of multiple grafting, the complex grafting process, the lowefficiency, the time-consuming and labor-consuming management after grafting and the slow growth and recovery of the tree body are effectively solved.

Description

technical field [0001] The invention relates to the field of fruit tree grafting, in particular to a method for regrafting large chestnut trees. Background technique [0002] Chestnut ( Castanea Henryi Rehd. et Wils) belong to Fagaceae (Fagaceae) chestnut genus ( Castanea Mill.) plant, a unique species in my country, is a famous dried fruit and woody food tree species in southern China. Its nuts are conical in shape, unique in flavor, rich in starch, protein, soluble sugar, and various vitamins and trace elements needed by the human body. , high nutritional value. Because the quality of the chestnut is better than most of the southern chestnut varieties, it is especially suitable for fresh eating, sugar frying and processing, and is deeply loved by the masses in the south. Because of its high economic benefits, it has gradually become an important economic forest for forest farmers in the southern mountainous areas of my country to get rid of poverty and become rich. spec...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G2/35A01G2/38
CPCA01G17/005
Inventor 江锡兵龚榜初赖俊声杨龙徐阳吴开云章平生吴聪连
Owner RES INST OF SUBTROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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