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Method for raising lagerstroemia indica seedlings by grafting in summer

A technique for grafting seedlings and crape myrtle, applied in the directions of grafting, botanical equipment and methods, horticulture, etc., can solve the problems of low cost and high survival rate, and achieve the effects of simple operation, high degree of lignification, and high content of moisture and nutrients.

Active Publication Date: 2017-07-18
HUNAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no good method for grafting and raising seedlings of Lagerstroemia in summer with high survival rate and low cost

Method used

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  • Method for raising lagerstroemia indica seedlings by grafting in summer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Grafting time is mid-July. The rootstock is 6-year-old common crape myrtle, cut off the main branch at a distance of 8cm-10cm from the branch point to make the rootstock, and the incision is smooth without tearing; collect the lignified branches that grow strong and have no diseases and insect pests in the year, and cut the length 8cm-9cm, Stem sections with a thickness of 0.5cm-0.8cm and 5 to 6 buds are used as scions, and the leaves are cut off before grafting so as not to hurt the eyes of the buds. Adopt the method in the technical scheme of the present invention to process the scion (that is, cut the scion lower incision into a wedge-shaped inclined plane, twist the scion tightly again, open the knife at the 0.5cm-1.0cm place of the front bud lower end side, obliquely cut out the length of 2.5cm-3.0cm Slightly woody long cut surface, then turn over the scion, slightly xylem at 1.5cm-2.0cm away from the bud, and obliquely cut 1.0cm short cut surface), after the scion...

Embodiment 2

[0022] The grafting time is mid-August. The rootstock is 7-year-old common crape myrtle. Cut off the main branch at a distance of 8cm-10cm from the branch point to make the rootstock. The scion is 8cm-10cm long, 0.6cm-1.0cm thick, and has 5 to 7 pieces. Lignified branches of buds. Scion treatment, grafting method and steps, management after grafting are the same as in Example 1, and the survival rate and growth status are investigated 60 days after grafting. The grafted survival rates of 'Red Rocket' crape myrtle, 'Xiangyun' crape myrtle, 'Feixue Ziye' crape myrtle, and 'Purple Fairy' crape myrtle were 91.0%, 90.5%, 91.5% and 93.0% respectively, and the new branch lengths were 14.9cm and 13.8cm respectively. cm, 14.6cm, 12.5cm.

Embodiment 3

[0024] Grafting time is at the end of August. The rootstock is 3-year-old common crape myrtle. Cut off the main branch at a distance of 8cm-10cm from the branch point to make the rootstock. The scion is 8cm-10cm long, 0.5cm-0.6cm thick, and has 5 to 7 buds. lignified branches. Scion treatment, grafting method and steps, management after grafting are the same as in Example 1, and the survival rate and growth status are investigated 60 days after grafting. The grafted survival rates of 'Red Rocket' crape myrtle, 'Xiangyun' crape myrtle, 'Feixue Ziye' crape myrtle, and 'Purple Fairy' crape myrtle were 91.7%, 91.5%, 92.5% and 92.6%, respectively, and the new branch lengths were 13.8cm and 13.5cm respectively. cm, 14.1cm, 11.8cm.

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Abstract

The invention discloses a method for raising lagerstroemia indica seedlings by grafting in summer. The method comprises steps as follows: improved lagerstroemia indica lignified branches in the length of 8 cm-10 cm are taken as scions and treated from the early July to the late August, then the scions are grafted on lagerstroemia indica stocks with an improved cut-grafting method and bound and fixed with grafting films, the grafting films wrapping the scions are broken after 10-25 days so that new buds can emerge and grow. The method adopts an efficient and low-cost lagerstroemia indica grafting technique and can be applied to raising of lagerstroemia indica seedlings by grafting in summer in a large scale, and the survival rate is up to 90% or higher. With the popularization and application of the method, the supply capacity of improved lagerstroemia indica seedlings can be greatly improved, and the economic benefits are great.

Description

technical field [0001] The invention belongs to the technical field of nursery stock propagation, and in particular relates to a method for grafting and raising seedlings of crape myrtle in summer, in particular to a method for grafting and raising seedlings of crape myrtle with high survival rate and fast growth. Background technique [0002] Crape myrtle is the main flowering tree species in summer. It blooms in midsummer, and the flowering period lasts up to 3 months. Road and other greening and sand control, slope protection. In recent years, the social demand for new varieties of crape myrtle seedlings has become increasingly strong, and a number of excellent new varieties have been gradually bred. Elf'crape myrtle et al. Under the concept of "building a beautiful China", vigorously developing the crape myrtle industry has important practical significance. [0003] Grafting is a commonly used seedling breeding method, which can maintain the excellent traits of the sc...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 王晓明李永欣曾慧杰乔中全蔡能
Owner HUNAN ACAD OF FORESTRY
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