A New Breeding Technique for Increasing Genetic Differences Between Parents and Enhancing Hetero Sis
International Journal of Applied Agricultural Sciences
Volume 5, Issue 2, March 2019, Pages: 56-61
Received: Jan. 28, 2019; Accepted: Apr. 4, 2019; Published: Jun. 12, 2019
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Zhanliang Yang, Ba Yi Middle School, Longnan, China
Qiaoxu Chu, Wu Du Bin Jiang Middle School, Longnan, China
Longjuan You, Ba Yi Middle School, Longnan, China
Runhong Zeng, Wu Du Cheng Guan Middle School, Longnan, China
Yile Zhang, China Longnan Wudu First People's Hospital, Longnan, China
Zhou Yang, Ba Yi Middle School, Longnan, China
Guobin Wang, China Longnan Wudu Pepper Center, Longnan, China
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In order to find a new technique for breeding super high varieties of wheat s, according to the theory that rare gene activity will be caused then make new genotypes, and promote branch and evolution of species in strange radiation fields, and the principle of mutagenic breeding, In order to increase crop yield, it is necessary to improve the physiological metabolic intensity of plants and improve the hybridization advantages in breeding. In order to improve the hetero sis of hybrids, there must be large genetic differences between parents and close to extreme types as far as possible. However, for crops with little genetic difference among wheat and other varieties, it is difficult to develop new varieties with high yield by conventional hybrid breeding. Therefore, by means of radiation mutagenesis, one or two parents of the hybrid can be mutated, which can improve the genetic difference between the parents and enhance the hetero sis of the hybrid parents. For this, we call it "new technology". In this paper, the technology of breeding high varieties directly in progeny with various radiation factors and of F0, F1, F3 by irradiation is called "classical technique.” By comparing "new technology" with "classical technology", this paper introduces the practice and application prospect of the new technology, and introduces the characters, advantages and disadvantages and application value of the super-large grain wheat variety "Long Nan 71a" cultivated by the new technology.
New Technology, Radiation Mutagenesis, Genetic Difference, Abnormal Mutation, Super-Large Grain
To cite this article
Zhanliang Yang, Qiaoxu Chu, Longjuan You, Runhong Zeng, Yile Zhang, Zhou Yang, Guobin Wang, A New Breeding Technique for Increasing Genetic Differences Between Parents and Enhancing Hetero Sis, International Journal of Applied Agricultural Sciences. Vol. 5, No. 2, 2019, pp. 56-61. doi: 10.11648/j.ijaas.20190502.15
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This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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