Abstract
Space breeding, also known as aviation breeding or space technology breeding, is a new type of breeding technology developed in recent decades, which combines space technology, modern agricultural technology and biotechnology. Compared with traditional breeding technology, it can greatly improve the quality of agricultural products in a short period of time, create many high-quality provenances, well solve the problem of food shortage, and bring endless benefits to the world. Therefore, space breeding technology will play an important role in the rapid development of modern agriculture. In this paper, the principles and characteristics of space breeding, development status and future prospects at home and abroad are introduced.
Highlights
Space breeding is the use of special space environment factors, such as the particle radiation, microgravity, weak magnetism, comprehensive factors such as high vacuum induced agricultural biological genetic improvement, through the mutagenic effect of space environment to the agricultural biological genetic changes that may be beneficial to its, to return to the ground for breeding, producing agricultural breeding materials and breeding of new varieties of agricultural biotechnology breeding of new and high technology
Space breeding is to use a lot of complex space environment to induce the seed genes, make the seeds mutate, make their offspring traits mutate, and carry out selection and cultivation on the ground
Among the complex comprehensive factors in outer space, various high-energy particle radiation is considered to be the main factor for the physiological mutagenesis effect of crop seeds, which changes the germination rate, morphology, photosynthetic pigment, chloroplast structure and antioxidant enzyme activity of seeds, changing the physiological and morphological properties of crops
Summary
Space breeding is the use of special space environment factors, such as the particle radiation, microgravity, weak magnetism, comprehensive factors such as high vacuum induced agricultural biological genetic improvement, through the mutagenic effect of space environment to the agricultural biological genetic changes that may be beneficial to its, to return to the ground for breeding, producing agricultural breeding materials and breeding of new varieties of agricultural biotechnology breeding of new and high technology. Among the complex comprehensive factors in outer space, various high-energy particle radiation is considered to be the main factor for the physiological mutagenesis effect of crop seeds, which changes the germination rate, morphology, photosynthetic pigment, chloroplast structure and antioxidant enzyme activity of seeds, changing the physiological and morphological properties of crops. It is the crop yield, disease resistance, insect resistance, nutrient content and product color, size, shape of the different. Soybean seeds greatly affect growth behavior and maturity through space flight
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