Grafting method for cultivating lagerstroemia indica 'Jinwei' high-stem seedlings through short-shoot bark graftage
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A technology of inserting skins and high stems, which is applied in the field of woody plant seedlings to achieve the effect of quick and easy operation and shortening the seedling cycle
Inactive Publication Date: 2014-04-09
INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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Problems solved by technology
Since 'Jinwei' is a variety with independent intellectual property rights of the inventor's unit, the grafting technology of short branch cuttings to cultivate tall stem seedlings has not been reported at home and abroad.
Method used
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example 1
[0018] (1) On May 28, 2013, in the nursery of Nanjing Zhongshan Botanical Garden, semi-lignified or lignified branches with a thickness of 0.4-1.0 cm were collected from 'Jinwei', which were healthy and free from diseases, insect pests and mechanical damage. Use the "two-cut" method to make 3.0-4.5cm long short-branch scions with 1-2 axillary buds at the lower end of the tip, wrap them in wet cloth for moisturizing treatment, and strive to pick them up as they are picked;
[0019] (2) choose 65 strains of wild type Lagerstroemia crape myrtle seedlings that ground diameter 2-4cm rod property is good, before grafting, cut off vertical seedling stems at 60-100cm from the ground as rootstock, keep a band of leaf twigs at 5-10cm below the cut-off place, to use for the manufacture of nutrients;
[0020] (3) choose the rootstock whose cut-off thickness is 3-5 times the scion thickness, longitudinally cut a knife length 1.5-2.5cm deep to the opening of the xylem on the smooth surface ...
example 2
[0023] (1) On July 15, 2013, in the nursery of Nanjing Zhongshan Botanical Garden, healthy semi-lignified or lignified branches with a thickness of 0.4-1.0 cm were harvested from 'Jin Wei', which was healthy and free from diseases, insect pests and mechanical damage. Use the "two-cut" method to make 3.0-4.5cm long short-branch scions with 1-2 axillary buds at the lower end of the tip, wrap them in wet cloth for moisturizing treatment, and strive to pick them up as they are picked;
[0024] (2) choose 60 strains of wild type crape myrtle seedlings with good stemness of ground diameter 2-4cm, cut off vertical seedling stems at 60-100cm from the ground before grafting and make rootstocks, keep a band of leaf twigs at 5-10cm below the cut-off place, and use for the manufacture of nutrients;
[0025] (3) choose the rootstock whose cut-off thickness is 3-5 times the scion thickness, longitudinally cut a knife length 1.5-2.5cm deep to the opening of the xylem on the smooth surface of...
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Abstract
The invention relates to a grafting method for cultivating lagerstroemia indica 'Jinwei' high-stem seedlings through short-shoot bark graftage, and belongs to clonal seedling cultivating methods of plants. The method is characterized in that according to the seedling cultivating method, Jinwei of a powder-crystal bud mutation new product of lagerstroemia indica is adopted to be used as a cion to cultivate lagerstroemia indica 'Jinwei' high-stem seedlings. The method comprises the steps that (1) branches of high-stem wild type lagerstroemia seedlings remain as stocks; (2) a three-time-cutting-two-time-shearing method is adopted to manufacture a Jinwei cion; (3) layers formed on the stocks and the two sides of the cion are respectively aligned with one another, and are jointed and bonded; (4) after the grafting, the management such as shearing and storing the branches, and topping is carried out. According to the method, on the basis of reserving the excellent ornamental characteristics of the new product Jinwei, the high-stem finished product seedlings of the Jinwei can be rapidly cultured, the seedling cultivating period is shortened, the steps such as stock branch shearing, cion cutting and jointing are rapid, simple and convenient to operate, and the survival rate can reach 84-90%.
Description
technical field [0001] The invention relates to a method for growing seedlings of woody plants, in particular to a grafting method for cultivating tall seedlings of 'Jinwei' by inserting short branches. Background technique [0002] Lagerstroemia indica L., also known as mantanghong, zinnia, itchy tree, etc., is a plant of the genus Lagerstroemia indica. Originally produced in China, it has been used for viewing since the Tang Dynasty, and has a cultivation history of more than 1,500 years. So far, more than 40 varieties of crape myrtle have been reported in the literature, mainly including crape myrtle with purple flowers, silver myrtle with pure white flowers, red myrtle with pink flowers and Cuiwei with blue-purple flowers. [0003] 'Jinwei' (lagerstroemia indica'Jinwei', serial number: Su R-SV-LI-013-2012) is a new variety of crape myrtle with independent intellectual property rights cultivated by the Institute of Botany, Chinese Academy of Sciences in Jiangsu Province....
Claims
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Application Information
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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 杨如同李亚王鹏汪庆李林芳王淑安
Owner INST OF BOTANY JIANGSU PROVINCE & CHINESE ACADEMY OF SCI
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