Direct-seeding seed production method for two-line system hybrid rice
A hybrid rice and hybrid technology, which is applied in the agricultural field, can solve the problems of low purity of hybrid seeds, low seed production yield, low production efficiency, etc., and achieves good seed production and breeding safety and strong smut resistance ability. , the effect of high production efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0024] Embodiment 1 (taking the seed production method of the variety Jiuliangyou Huanghuazhan as an example)
[0025] Jiuliangyou Huanghuazhan is a new two-line hybrid rice combination bred by the female parent 33S of the Hunan Rice Research Institute and the conventional rice variety Huanghuazhan bred in Guangdong Province.
[0026] The direct-seeding seed production method described in Example 1 includes the steps of sowing, field management, miscellaneous prevention and purity preservation, and harvesting and storage.
[0027] The steps of sowing are:
[0028] A. Parental selection: Huang Huazhan was selected as the male parent, and the dual-purpose GMS line 33S was used as the female parent.
[0029] The male parent, Huanghuazhan, is the conventional rice variety that has been promoted the most in the country this year. It is high-yielding and resistant to lodging, and is suitable for direct seeding. It has been planted in large areas in Hunan, Jiangxi and other places. ...
Embodiment 2
[0051] Embodiment 2 (taking the seed production method of variety Tao Youxiangzhan as an example)
[0052] Taoyouxiangzhan is a new hybrid rice combination of Taonong 1A used by the Agricultural Science Institute of Taoyuan County, Hunan Province, and Huanghuazhan, a conventional rice variety bred in Guangdong Province. It passed the variety approval of Hunan Province in 2015 (Xiangshendao 2015033).
[0053] The direct seeding seed production method described in embodiment 2 includes the steps of sowing, field management, miscellaneous prevention and purity preservation, and harvesting and storage.
[0054] The steps of sowing are:
[0055] A. Parental selection: Huang Huazhan was selected as the male parent, and the three-line male sterile line Taonong 1A was selected as the female parent.
[0056] The female parent, Taonong 1A, is a three-line male sterile line bred by the Agricultural Science and Technology Institute of Taoyuan County, Hunan Province. The male sterile line...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com