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Velvet crape myrtle top grafting seedling growing method

A technology of velvet crape myrtle and high-level grafting, which is applied in the field of tree asexual reproduction, can solve the problems of high tissue culture technology requirements, high production costs, and unsatisfactory requirements, and achieve the effects of low propagation costs, easy operation, and improved quality

Inactive Publication Date: 2016-06-01
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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Problems solved by technology

Among them, the technical requirements of tissue culture are high, the operation is complicated, and the production cost is expensive; although the cutting propagation is easy to operate and the propagation cost is low, it cannot meet the requirements of the garden landscape for large seedlings in a short period of time; grafting propagation can cultivate large seedlings in a short period of time and put them on the market. At present, there are many large seedlings of crape myrtle in garden nurseries. Grafting and breeding not only meet the needs of garden landscapes, but also increase the commodity value of crape myrtle. There is no relevant report in China on the method of raising seedlings of velvet crape myrtle by high grafting

Method used

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  • Velvet crape myrtle top grafting seedling growing method

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Embodiment 1

[0027] The velvet crape myrtle high position grafting seedling raising of the present invention is carried out in Jiangsu Lvyuan Garden Construction Co., Ltd., and described method comprises the following steps:

[0028] (1) Selection of rootstock seedlings: choose 20-year-old seedling myrtle trees as rootstock.

[0029] (2) Cultivation of rootstocks: choose an acid nursery with deep soil, good drainage, flat terrain, and sufficient sunshine as the rootstock cultivation base for crape myrtle, and the cultivation density is 1.5m×1.5m.

[0030] (3) Selection of scions: On velvet crape myrtle saplings, select annual, lignified, healthy and disease-free branches in the middle and upper parts of the canopy, full terminal buds, and short internodes to make cuttings.

[0031] (4) Scion collection: cut the scion into a length of 8-10 cm, and keep 2-3 buds for each scion; the upper joint is flat, 0.5 cm away from the top bud, and the lower joint is flat, first 0.5 cm below the low bud ...

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Abstract

The invention provides a velvet crape myrtle top grafting seedling growing method. The method mainly includes following steps: (1), selecting and cultivating rootstock seedlings; (2), selecting and collecting scions; (3), treating before grafting; (4), grafting; (5), managing after grafting. Compared with the prior art, the velvet crape myrtle top grafting seedling growing method has the advantages that conditions are simple and convenient, operation is easy, breeding cost is low, grafting success rate is increased remarkably, powdery mildew occurrence probability is lowered, and quality of grafting seedlings is improved obviously.

Description

technical field [0001] The invention relates to a method for asexual propagation of trees, in particular to a method for raising seedlings by high grafting of velvet crape myrtle. Background technique [0002] Velvet crape myrtle (Lagerstroemia indica'PinkVelour') is a new variety of Lagerstroemia indica's Lagerstroemia genus introduced from the United States to my country. After being introduced and cultivated in my country, compared with the Lagerstroemia indica in domestic gardens, it shows a strong upright tree shape (side branches are inclined at 45 degrees) Upward growth), unique leaf color (new leaves are tender red, old leaves are dark green), noble flower color (rose red flowers), super long flowering period (up to 150-180 days in the south), extra large flower volume (the longest panicle can reach 50cm ), the flowers are fragrant (the flowers are fragrant and elegant), the growth is fast (the root system is abnormally developed, and the annual ground diameter can gro...

Claims

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Application Information

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IPC IPC(8): A01G1/06
CPCA01G2/30
Inventor 邱国金胡卫霞戴文杨士虎蒋为民刘国华
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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