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Physiology and Molecular Biology of Plants

, Volume 25, Issue 1, pp 197–205 | Cite as

Studies on root anatomy, morphology and physiology of rice grown under aerobic and anaerobic conditions

  • Amol S. Phule
  • Kalyani M. Barbadikar
  • M. S. Madhav
  • D. Subrahmanyam
  • P. Senguttuvel
  • M. B. B. Prasad Babu
  • P. Ananda KumarEmail author
Research Article
  • 114 Downloads

Abstract

With the changing climate and rainfall abrasions, there is a gradual shift in the system of rice cultivation from traditional transplanted anaerobic to aerobic system. Studies on the root anatomical and morpho-physiological traits provide insights about the adaptation under aerobic conditions. We investigated the root anatomical and morpho-physiological traits in anaerobic (BPT 5204) and aerobic (CR Dhan 202) adapted rice genotypes grown under anaerobic and aerobic conditions. It was observed that the formation of fewer aerenchyma, thickened root and larger xylem area were critical anatomical traits associated with aerobic adaptation as compared to anaerobic conditions. The root length of CR Dhan 202 significantly increased under aerobic condition which may be attributed to its aerobic adaptation in terms of water acquisition. The photosynthetic rate was significantly higher in CR Dhan 202 as compared to that of BPT 5204 under the aerobic condition. The morpho-physiological results showed that the root length, total dry weight and photosynthetic rate are the key parameters for imparting aerobic adaptation. These root anatomical and morpho-physiological traits associated with the adaptation can be used as screening criteria for phenotyping and selection of genotypes suitable for aerobic system of cultivation. Such study is expected to expedite the development of rice aerobic varieties in aerobic breeding programmes.

Keywords

Rice Aerobic Anaerobic Photosynthetic rate Root length Total dry weight 

Notes

Acknowledgements

The authors are thankful to Director, ICAR-IIRR for providing necessary facilities for research. Amol S. Phule acknowledges the University Grant Commission (UGC), New Delhi, India for providing National Fellowship for furnishing the doctoral programme.

Author contribution

PAK, MSM and KMB conceived and designed the experiments. ASP, KMB performed the experiments. ASP, KMB, PS and DS analyzed the data. ASP, KMB and MSM wrote the manuscript. PAK, MSM and KMB supervised the study. All authors reviewed and approved the final manuscript.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Prof. H.S. Srivastava Foundation for Science and Society 2018

Authors and Affiliations

  • Amol S. Phule
    • 1
    • 2
  • Kalyani M. Barbadikar
    • 1
  • M. S. Madhav
    • 1
  • D. Subrahmanyam
    • 1
  • P. Senguttuvel
    • 1
  • M. B. B. Prasad Babu
    • 1
  • P. Ananda Kumar
    • 1
    Email author
  1. 1.Biotechnology DivisionICAR-Indian Institute of Rice ResearchRajendranagar, HyderabadIndia
  2. 2.Institute of BiotechnologyProfessor Jayashankar Telangana State Agricultural UniversityHyderabadIndia

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