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Sun L, Xu X, Jiang Y, et al. Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice. Front Plant Sci. 2016;7:1407doi: 10.3389/fpls.2016.01407.
Sun, L., Xu, X., Jiang, Y., Zhu, Q., Yang, F., Zhou, J., Yang, Y., Huang, Z., Li, A., Chen, L., Tang, W., Zhang, G., Wang, J., Xiao, G., Huang, D., & Chen, C. (2016). Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice. Frontiers in plant science, 71407. https://doi.org/10.3389/fpls.2016.01407
Sun, Liang, et al. "Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice." Frontiers in plant science vol. 7 (2016): 1407. doi: https://doi.org/10.3389/fpls.2016.01407
Sun L, Xu X, Jiang Y, Zhu Q, Yang F, Zhou J, Yang Y, Huang Z, Li A, Chen L, Tang W, Zhang G, Wang J, Xiao G, Huang D, Chen C. Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice. Front Plant Sci. 2016 Sep 21;7:1407. doi: 10.3389/fpls.2016.01407. eCollection 2016. PMID: 27708659; PMCID: PMC5030296.
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Front Plant Sci. 2016 Sep 21;7:1407. doi: 10.3389/fpls.2016.01407. eCollection 2016.

Genetic Diversity, Rather than Cultivar Type, Determines Relative Grain Cd Accumulation in Hybrid Rice.

Frontiers in plant science

Liang Sun, Xiaxu Xu, Youru Jiang, Qihong Zhu, Fei Yang, Jieqiang Zhou, Yuanzhu Yang, Zhiyuan Huang, Aihong Li, Lianghui Chen, Wenbang Tang, Guoyu Zhang, Jiurong Wang, Guoying Xiao, Daoyou Huang, Caiyan Chen

Affiliations

  1. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences Changsha, China.
  2. Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of SciencesChangsha, China; Institute of Rice Science, Hunan Agricultural UniversityChangsha, China.
  3. Yuanlongping High-Tech Agriculture Co., LTD Changsha, China.
  4. China National Hybrid Rice R&D Center Changsha, China.
  5. Lixiahe Agricultural Research Institute of Jiangsu Province Yangzhou, China.
  6. Beishan Agricultural Service Center of Changsha County Changsha, China.
  7. Institute of Rice Science, Hunan Agricultural University Changsha, China.

PMID: 27708659 PMCID: PMC5030296 DOI: 10.3389/fpls.2016.01407

Abstract

Cadmium (Cd) is a toxic element, and rice is known to be a leading source of dietary Cd for people who consume rice as their main caloric resource. Hybrid rice has dominated rice production in southern China and has been adopted worldwide. The characteristics of high yield heterosis of rice hybrids makes the public think intuitively that the hybrid rice accumulates more Cd in grain than do inbred cultivars. A detailed understanding of the genetic basis of grain Cd accumulation in hybrids and developing Cd-safe rice are one of the top priorities for hybrid rice breeders at present. In this study, we investigated genetic diversity and grain Cd levels in 617 elite rice hybrids collected from the middle and lower Yangtze River Valley in China and 68 inbred cultivars from around the world. We found that there are large variations in grain Cd accumulation in both the hybrids and their inbred counterparts. However, we found grain Cd levels in the rice hybrids to be similar to the levels in

Keywords: QTL; cadmium; genetic diversity; hybrid rice; indica

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