Improved method for great castanopsis hystrix tree high-position grafting

A high-level grafting and red cone technology, applied in botany equipment and methods, horticulture, applications, etc., can solve problems that have not been reported, and achieve the effects of saving propagation materials, high grafting efficiency, and rapid prototyping

Inactive Publication Date: 2012-12-05
GUANGDONG ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, grafting technology is widely used in conventional crops such as fruit trees, vegetables, and horticultural crops, but there is no report on the red cone tree

Method used

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  • Improved method for great castanopsis hystrix tree high-position grafting
  • Improved method for great castanopsis hystrix tree high-position grafting
  • Improved method for great castanopsis hystrix tree high-position grafting

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Effect test

Embodiment 1

[0032] Through the method of high-level grafting, the 6-year-old red cone trees in the Longyandong Forest Farm in Guangdong Province were replaced by improved varieties, and the 1.5-generation seed garden of red cones was constructed. The average tree height of the red cone trees was 9.4 meters, the diameter at breast height was 10.8 cm, and the scion was the red cone gene. Excellent strains of the library.

[0033] Follow the steps below for high position grafting:

[0034] (1) Root tree shaping and pruning: one month before grafting, add half of the weight of the compound fertilizer and mix it with urea to fertilize the big tree to be grafted, and remove the weeds around the big tree at the same time, and choose a strong, disease-free big tree as the rootstock. Each big tree retains up to three grafted branches in different directions as rootstocks, saws off the part above the height of 150cm, and prunes it, removes the useless branches of the big tree, cuts the saw edge, an...

Embodiment 2

[0043] Through the method of high-level grafting, the 3-year-old red cone trees in the Longyandong Forest Farm in Guangdong Province were replaced by improved varieties, and the second-generation seed garden of red cones was constructed. The average tree height of the red cone trees was 4.0 meters, the diameter at breast height was 4.5 cm, and the scion was the red cone family. Excellent strains selected by the forest.

[0044] Follow the steps below for high position grafting:

[0045](1) Root tree shaping and pruning: one month before grafting, add half of the weight of the compound fertilizer and mix it with urea to fertilize the big tree to be grafted, and remove the weeds around the big tree at the same time, and choose a strong, disease-free big tree as the rootstock. Each big tree retains up to three grafted branches in different directions as the rootstock, saws off the part above the height of 70cm, and prunes it, removes the useless branches of the big tree, cuts the...

Embodiment 3

[0055] Through the method of high-level grafting, the 4-year-old red cone trees in the Longyandong Forest Farm in Guangdong Province were replaced by improved varieties to build a second-generation red cone seed garden. Among them, the average tree height of the red cone trees is 6.2 meters, and the diameter at breast height is 6.5 cm. The scion is the red cone family. Excellent strains selected by the forest.

[0056] Follow the steps below for high position grafting:

[0057] (1) Root tree shaping and pruning: one month before grafting, add half of the weight of the compound fertilizer and mix it with urea to fertilize the big tree to be grafted, and remove the weeds around the big tree at the same time, and choose a strong, disease-free big tree as the rootstock. Each big tree retains up to three grafted branches in different directions as rootstocks, saws off the parts above the height of 100cm, and prunes them, removes the useless branches of the big tree, cuts the saw ed...

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Abstract

The invention discloses an improved method for great castanopsis hystrix tree high-position grafting. According to the method, the scion grafting is carried out from middle and late January to late February every year when the average daily temperature is raised to 15+/-3 DEG C, good-material castanopsis hystrix lignification branches are selected, wedge-shaped scions with 1 to 2 axillary buds are cut and taken, the scions are inserted into a cut of a stock so that at least one side of a forming layer of the stock and the scions is sufficiently anastomotic, in addition, the sealing binding is carried out on grafting parts, and finally, the high-position grafting process of great castanopsis hystrix trees is completed after the post-grafting management. The method provided by the invention is used for grafting the castanopsis hystrix and has the advantages that the culture period is short, the forming speed is high, the operation is simple, the cost is low, and the grafting survival rate is higher than 90 percent.

Description

technical field [0001] The invention relates to a plant grafting method, in particular to an improved method for high-position grafting of red cone trees. Background technique [0002] Castanopsis hystix A.DC., also known as Castanopsis hystix A.DC., is an evergreen tree of Fagaceae. The red cone tree has a straight body, fast growth, and excellent material quality. It is a material for high-end furniture, shipbuilding, and vehicles. The promotion and application of public welfare forest is an important ecological public welfare forest tree species and precious native broad-leaved timber tree species in South China. The supply of high-quality red cone seedlings is mainly seedlings. Guangdong Province began to build a red cone seed garden in Longyandong Forest Farm in 2000, including 18hm 2 Seed garden, 5hm 2 Clonal Seed Orchard and 8hm 2 With the deepening of the genetic improvement of red cone, it is imminent to quickly transform the available genetic gain into real pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 徐斌张方秋潘文朱报著王裕霞
Owner GUANGDONG ACAD OF FORESTRY
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