Method of selecting and breeding new soybean variety by using space technology

A technology of aerospace technology and new varieties, applied in the field of breeding and breeding new soybean varieties using aerospace technology, can solve the problems of separation of hybrid offspring traits, slow breeding process, narrow variation range, etc., to achieve tall plants, tenacious vitality, and disease resistance strong effect

Pending Publication Date: 2017-08-15
刘以秋
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  • Claims
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Problems solved by technology

[0004] The main disadvantages of conventional cross-breeding are: the offspring of hybrids will have segregated traits, and excellent strains must be obtained through repeated screening and observation; and the range of variation is narrow, and the breeding process is slow and complicated.

Method used

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  • Method of selecting and breeding new soybean variety by using space technology
  • Method of selecting and breeding new soybean variety by using space technology

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Experimental program
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Embodiment 1

[0017] 1) The pure soybeans with plump grains, smooth seed coats and obvious hilums will be planted in greenhouses after 18 days in space. The soybeans include the soybean species planted by Zhonghuang No. No. 4 soybean seeds planted through the 4th generation, Zhonghuang No. 4 soybean seeds planted through the 6th generation and Zhonghuang No. 4 each 15g; the aqueous solution with a concentration of 6% was prepared with analytically pure sodium chloride, and the soybeans returned from spaceflight were tested. Disinfection, the mass ratio of soybeans and sodium chloride aqueous solution returned by Aerospace is 15:500, soak for three minutes, wash the sterilized seeds with clean water, then wash with distilled water, dry, and return the dried seeds to Aerospace Soybeans are seed-dressed with rhizobia, and the mass ratio of soybeans and rhizobia is 100:0.4; the rhizobia comes from the China Microorganism Culture Collection and Management Center, and the preservation number is CI...

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Abstract

The invention relates to a method for breeding and breeding new soybean varieties using aerospace technology. The invention carries the screened soybeans into space for mutagenesis, and obtains Hangdou No. 1 after four times of cultivation, and carries Hangdou No. 1 into space , carry out the second mutagenesis, and obtain the new soybean variety after the soybeans after the second mutagenesis are planted and screened. The invention can shorten the breeding time, and the obtained aerospace seeds have the characteristics of stable properties, strong stress resistance, higher yield and more salt tolerance.

Description

technical field [0001] The invention relates to a method for selecting and breeding new soybean varieties using space technology. Background technique [0002] In recent years, with the continuous development of science and technology, crop breeding methods have been greatly enriched and innovated. As one of the most cutting-edge scientific and technological topics in the field of agriculture in the world today, space breeding has been highly valued by the state. At present, only the United States, Russia, and China have successfully carried out satellite-borne space breeding in the world. Space breeding, also known as mutation breeding or space breeding, refers to the use of returnable spacecraft in space to take advantage of the complex and harsh conditions of the space environment, through strong radiation, microgravity, high vacuum, and severe temperature changes. The role of plant seeds is to induce mutations in the genes of plant seeds, and it is a new crop breeding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/04
CPCA01H1/04
Inventor 刘以秋
Owner 刘以秋
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