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Method for improving rape hybrid by chemically inducing male sterility

A technology for male sterility and rapeseed, applied in the field of rapeseed heterosis utilization

Inactive Publication Date: 2015-04-22
陕西省杂交油菜研究中心
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] The purpose of the present invention is to solve the problem of an improvement method for a rapeseed hybrid that is better used in production but has certain disadvantages

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  • Method for improving rape hybrid by chemically inducing male sterility
  • Method for improving rape hybrid by chemically inducing male sterility

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the following in conjunction with the attached figure 1 , 2 And embodiment, the present invention is described in further detail. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] The embodiment of the present invention provides a method for improving the traits of hybrids such as rapeseed CMS, GMS, SI and Huasha, and uses its own patented CHA (Chemical hybridization agent for short) SX-1 to implement male sterile line induction on hybrids To achieve the purpose of hybrid variety improvement by crossing the pollinated line with the variety complementary to the bad traits of the hybrid; the good traits of the pollinated line used for improvement should be able to overcome the bad traits of the hybrid, and have as many advantages as possible and as few disadvantages...

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Abstract

The invention discloses a method for improving hybrid characters such as rape CMS, GMS, SI, chemical killing and the like. A self-held patent chemical hybridization agent SX-1 is subjected to male sterility induction for a hybrid, and a variety complementary with the bad characters of hybrid is used as a pollination system which is hybridized with the hybrid to realize variety improvement; the good character of the pollination system for improvement not only can overcome the bad characters of hybrid, but also has as many advantages as possible and as few defects as possible; 50% of the good character genes of the pollination system are obtained in the new hybrid through hybridization; and the improvement degree is great, and three hybrids with strong adaptability can be obtained.

Description

technical field [0001] The invention belongs to the utilization of rapeseed heterosis in the field of agriculture, and relates to hybridization improvement methods for hybrids such as cytoplasmic male sterility (CMS), nuclear male sterility (GMS), self-incompatibility line (SI) and chemically induced male sterility. Background technique [0002] 1. Research overview of chemical hybridization agent (CHA) in rapeseed at home and abroad [0003] The utilization of heterosis by chemically induced male sterility (also known as chemical male sterility) in rapeseed is an advanced breeding technology, which is faster, safer and more efficient than CMS and GMS in utilizing heterosis. But the key to this technology is to develop a good chemical hybridization agents (Chemical hybridization agents referred to as CHA), also known as chemical andricide, followed by a scientific method of use. In 1950, Moore and Naylor abroad first reported that the plant growth regulator (PGR) maleic hyd...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H1/02A01H1/06
Inventor 李殿荣任军荣张智曹永红杨建利李永红田建华
Owner 陕西省杂交油菜研究中心
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