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Breeding method of drought-resistant polyploid linear stonecrop herb

A cultivation method, the technology of S. japonica, applied in horticultural methods, botanical equipment and methods, seed and rhizome treatment, etc., can solve the problems of weak growth potential, limited growth amount, and failure to meet requirements, etc.

Inactive Publication Date: 2005-04-27
程金龙
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Problems solved by technology

Because this kind of wild plant has a low degree of evolution and belongs to the original diploid plant, the growth potential is not very strong, and the growth amount per unit area and unit time is limited, so it cannot meet the requirements for direct application in production. It is cultivated and improved to further improve its growth potential, drought resistance and stress resistance, which is feasible in production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0006] Embodiment 1: the cultivation technique of the high drought-resistant S. argentina of the present invention is realized by taking the following steps:

[0007] 1. Screen out plants with good stress resistance and strong growth potential from wild S. japonica, and collect the seeds of the plants. After artificial cultivation, further screen the seeds of the target plants;

[0008] 2. Use 2×10 16 N + / cm 2 -9×10 16 N + / cm 2 Nitrogen ion beams are used to irradiate the screened S. japonica seeds, induce mutations, and produce practical species with special traits such as high drought resistance and strong growth potential. After artificial cultivation, the S. japonica seeds are screened;

[0009] 3. Utilize 1‰ of colchicine solution to soak the beneficial S. japonica seeds screened out, and induce polyploidy to make it polyploidy, so that the biological yield of S. sagerassica on the unit area and unit time have increased significantly;

[0010] 4. Use tissue cultu...

Embodiment 2

[0011] Embodiment 2, the ion beam of the present invention can also use inert ion beams such as neon ion beams and helium ion beams. All the other are with embodiment 1.

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Abstract

The present invention is the breeding method of drought-resisting polyploid sedum lineare thunb herb, and aims at raising the growth amount of sedum lineare thunb for city greening. The technological scheme includes mainly screening from wild sedum lineare thunb the plants with high resistance and strong growth potential, collecting the seeds, planting artificially and further screening the seeds; radiating the gathered seeds with ion beam for inducing mutation to generate practical variety with special characteristics of high drought resistance and strong growth potential; artificially planting to screen seeds. The screened seeds are used in greening roof and ground.

Description

Technical field [0001] The invention relates to a method for cultivating S. argentina. Background technique [0002] Environmental and ecological issues are related to the survival of human beings. At present, the urbanization process in my country has been significantly accelerated, but urban buildings and population are becoming more and more crowded, garbage is piled up, air pollution is serious, and the environment is chaotic, which has become an important factor restricting the coordinated development of economy and society. The improvement of the urban environment is imminent, and people are actively looking for new scientific ideas for urban ecology and greening. Urban building greening is the overall greening of buildings under the guidance of the three-dimensional greening theory, and roof greening is the most important content: in nature, there is a plant called Sedum lineare Thunb, the Latin name is sedum linearare Thunb, which is a landscape It is a perennial suc...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G1/00A01H4/00
Inventor 程金龙
Owner 程金龙
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