Method for quickly culturing large-sized seedlings of color leaf Osmanthus fragrans

A large-scale, colorful-leaf technology, applied in the fields of botanical equipment and methods, horticulture, and application, can solve the problems of long cultivation cycle of colorful-leaf osmanthus, and achieve the effect of strong application value

Inactive Publication Date: 2012-08-01
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems such as the long cultivation period of Osmanthus osmanthus, the present invention provides a method for quickly cultivating large-sized osmanthus osmanthus seedlings in different styles in order to obtain large-sized osmanthus osmanthus seedlings of different styles within 1 to 3 years.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Rootstock selection: choose an osmanthus tree with an open crown, a plump tree shape, good growth, and a DBH of 15 cm as the rootstock;

[0022] (2) Scion selection: Select the annual healthy branches of Yuntian Caigui with a length of 8 cm provided by the Yuntian seedling base in Hunan Province as the scion, select the branches with short internodes, and leave 2 top leaves;

[0023] (3) From mid-June to early July, grafting and cultivation using the green branch belly grafting technique: cut off the upper branch of the rootstock selected in step (1) at the scion to be grafted, and apply a layer of preservative on the cut surface , and strengthen the management of fertilizer and water; when several new branches germinate from the lower part of the cut surface, select the vigorous new branches as the new rootstock; choose a smooth surface at the lower part of the new rootstock 5 cm away from the main trunk, and cut off the phloem 5 cm from the top to the bottom, expos...

Embodiment 2

[0026] (1) Rootstock selection: select privet with open crown, plump tree shape, good growth, and a diameter of 12 cm as the rootstock;

[0027] (2) Scion selection: Select the 12-cm-long biennial healthy branches of Caiyegui provided by Guangxi Red Osmanthus Flos Breeding Farm as the scion, select the branches with short internodes, and leave 1 top leaf;

[0028] (3) From mid-February to the end of March, use the cambium cutting technique for grafting and cultivation: cut off the upper branches of the rootstock selected in step (1) at the scion to be grafted, and apply a layer of preservative on the cut surface, And strengthen the management of fertilizer and water; when several new branches germinate from the lower part of the cut surface, select the vigorously growing new branches as the new rootstock; cut off the lower part of the new rootstock 10 cm away from the base of the main trunk, and cut the phloem 5 cm vertically downward from the section to expose the cambium The...

Embodiment 3

[0031] (1) Rootstock selection: select privet with open crown, plump tree shape, good growth and 10 cm DBH as the rootstock;

[0032] (2) Scion selection: select the annual healthy branches of Yuntian Caigui with a length of 5 cm as the scion, select the branches with short internodes, and leave 1 top leaf;

[0033](3) From mid-June to early July, grafting and cultivation using the green branch belly grafting technique: cut off the upper branch of the rootstock selected in step (1) at the scion to be grafted, and apply a layer of preservative on the cut surface , and strengthen the management of fertilizer and water; when several new branches germinate from the lower part of the cut surface, select the vigorous new branches as the new rootstock; choose a smooth surface at the lower part of the new rootstock 8 cm away from the main trunk, and cut the phloem 3 cm from the top to the bottom, exposing Cambium; then the scion selected in step (2) is obliquely cut to length 8 centim...

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Abstract

The invention provides a method for quickly culturing large-sized seedlings of color leaf Osmanthus fragrans. The method comprises the following steps of: selecting a stock and a scion; grafting and culturing by using a green branch side grafting method or a cambium cut-grafting method, inserting a cut part on the inner side of the scion into a cut of a new stock, aligning cambiums, binding, and shading by using a sunshade screen; and making the color leaf scion normally grow and develop to obtain a color leaf crown, namely a large-sized seedling of color leaf Osmanthus fragrans. A top grafting method is adopted, large-sized seedlings of different types can be obtained in 1-3 years, and the method saves ten years and even longer time than the conventional seedling raising method and has high application value. Experiments prove that the survival rate of the large-sized seedlings of color leaf Osmanthus fragrans is over 80 percent.

Description

technical field [0001] The invention relates to a method for quickly cultivating large-sized seedlings of Osmanthus fragrans with colorful leaves, and belongs to the technical field of forestry cultivation. Background technique [0002] Coleus plants have attracted much attention because of their bright colors, and are more and more widely used in gardens. Compared with garden plants mainly for viewing flowers, colorful-leaved plants have the advantages of forming a large color block landscape and having a long ornamental period, especially the ever-colored leaf plants, which can have high ornamental value all year round. For a long time, a large number of color-leaved plants have been selected and bred by methods such as bud mutation, mutagenesis and hybridization at home and abroad. In recent years, some colorful-leafed plants from abroad have been introduced into China, and have produced huge economic benefits, such as Photinia fruticosa and so on. Compared with foreign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 郑伟徐晓丹徐建波
Owner KUNMING UNIV OF SCI & TECH
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