Optimizing hybrid with improved resistance to rice blast and superior ratooning ability
The ratooning system enhances agricultural efficiency by reducing secondary sowing and resource input while maintaining rice yield parity with double cropping. However, the prolonged growth duration of the rice ratooning system extends the exposure window to Magnaporthe oryzae infection, thereby ele...
| Main Authors: | , , , , , , , , , , , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés |
| Published: |
Elsevier
2025
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/176511 |
| _version_ | 1855534088056733696 |
|---|---|
| author | Liang, Yi Yi, Zhaofeng Zhuang, Wen Peng, Teng Xiao, Gui Jin, Yunkai Tang, Qiyuan Xiong, Jiaojun Deng, Qiyun Zhou, Bo Liu, Xionglun Wu, Jun |
| author_browse | Deng, Qiyun Jin, Yunkai Liang, Yi Liu, Xionglun Peng, Teng Tang, Qiyuan Wu, Jun Xiao, Gui Xiong, Jiaojun Yi, Zhaofeng Zhou, Bo Zhuang, Wen |
| author_facet | Liang, Yi Yi, Zhaofeng Zhuang, Wen Peng, Teng Xiao, Gui Jin, Yunkai Tang, Qiyuan Xiong, Jiaojun Deng, Qiyun Zhou, Bo Liu, Xionglun Wu, Jun |
| author_sort | Liang, Yi |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The ratooning system enhances agricultural efficiency by reducing secondary sowing and resource input while maintaining rice yield parity with double cropping. However, the prolonged growth duration of the rice ratooning system extends the exposure window to Magnaporthe oryzae infection, thereby elevating the probability of disease incidence. To address this, we employed molecular marker-assisted selection (MAS) to introduce the rice blast resistance gene Pikh into the paternal line Chuanghui 911 (R911) of the high-yielding ratoon rice variety Y Liangyou 911 (YLY911), generating two blast-resistant restorer lines (T002 and H66-3). Through hybridization of H66-3 with three male sterile lines, three hybrid combinations Y Liangyou H66-3 (YLYH66), Yangliangyou H66-3 (OLYH66), and Shuangliangyou H66-3 (SLYH66) were developed. Comprehensive evaluation of the agronomic traits revealed SLYH66 as the optimal combination, exhibiting robust ratooning ability, high total yield, and superior rice quality, including improved grain appearance and milling characteristics. This study advances germplasm innovation for disease-resistant ratoon rice and provides a strategic framework for breeding high-yielding, quality-focused varieties, bolstering the sustainable development of ratoon rice systems. |
| format | Journal Article |
| id | CGSpace176511 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace1765112025-11-12T04:58:50Z Optimizing hybrid with improved resistance to rice blast and superior ratooning ability Liang, Yi Yi, Zhaofeng Zhuang, Wen Peng, Teng Xiao, Gui Jin, Yunkai Tang, Qiyuan Xiong, Jiaojun Deng, Qiyun Zhou, Bo Liu, Xionglun Wu, Jun rice ratoon cropping rice blast disease resistance genes magnaporthe oryzae marker assisted selection restorer lines hybridization grain quality plant breeding The ratooning system enhances agricultural efficiency by reducing secondary sowing and resource input while maintaining rice yield parity with double cropping. However, the prolonged growth duration of the rice ratooning system extends the exposure window to Magnaporthe oryzae infection, thereby elevating the probability of disease incidence. To address this, we employed molecular marker-assisted selection (MAS) to introduce the rice blast resistance gene Pikh into the paternal line Chuanghui 911 (R911) of the high-yielding ratoon rice variety Y Liangyou 911 (YLY911), generating two blast-resistant restorer lines (T002 and H66-3). Through hybridization of H66-3 with three male sterile lines, three hybrid combinations Y Liangyou H66-3 (YLYH66), Yangliangyou H66-3 (OLYH66), and Shuangliangyou H66-3 (SLYH66) were developed. Comprehensive evaluation of the agronomic traits revealed SLYH66 as the optimal combination, exhibiting robust ratooning ability, high total yield, and superior rice quality, including improved grain appearance and milling characteristics. This study advances germplasm innovation for disease-resistant ratoon rice and provides a strategic framework for breeding high-yielding, quality-focused varieties, bolstering the sustainable development of ratoon rice systems. 2025-05 2025-09-16T13:33:06Z 2025-09-16T13:33:06Z Journal Article https://hdl.handle.net/10568/176511 en Open Access application/pdf Elsevier Yi, Liang, Yi Zhaofeng, Zhuang Wen, Peng Teng, Xiao Gui, Jin Yunkai, Tang Qiyuan et al. "Optimizing Hybrid with Improved Resistance to Rice Blast and Superior Ratooning Ability." Rice Science 32, no. 3 (2025): 292. |
| spellingShingle | rice ratoon cropping rice blast disease resistance genes magnaporthe oryzae marker assisted selection restorer lines hybridization grain quality plant breeding Liang, Yi Yi, Zhaofeng Zhuang, Wen Peng, Teng Xiao, Gui Jin, Yunkai Tang, Qiyuan Xiong, Jiaojun Deng, Qiyun Zhou, Bo Liu, Xionglun Wu, Jun Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title | Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title_full | Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title_fullStr | Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title_full_unstemmed | Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title_short | Optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| title_sort | optimizing hybrid with improved resistance to rice blast and superior ratooning ability |
| topic | rice ratoon cropping rice blast disease resistance genes magnaporthe oryzae marker assisted selection restorer lines hybridization grain quality plant breeding |
| url | https://hdl.handle.net/10568/176511 |
| work_keys_str_mv | AT liangyi optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT yizhaofeng optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT zhuangwen optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT pengteng optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT xiaogui optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT jinyunkai optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT tangqiyuan optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT xiongjiaojun optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT dengqiyun optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT zhoubo optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT liuxionglun optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability AT wujun optimizinghybridwithimprovedresistancetoriceblastandsuperiorratooningability |