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

Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology
Amol S PhuleP Ananda Kumar

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 ...Continue Reading

References

Jan 14, 2009·Pakistan Journal of Biological Sciences : PJBS·A Mostajeran, V Rahimi-Eichi
Jul 14, 2012·Journal of Experimental Botany·Amelia HenryRachid Serraj
Jan 1, 2012·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Nitika SandhuR K Jain
Mar 25, 2014·Frontiers in Plant Science·Yuriko OsakabeLam-Son P Tran
Oct 23, 2014·Journal of Experimental Botany·Nitika SandhuAmelia Henry
Apr 3, 2016·Journal of Experimental Botany·Matthias WissuwaTerry J Rose

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Citations

Mar 29, 2019·Scientific Reports·Amol S PhulePolumetla A Kumar
Sep 11, 2020·Scientifica·Belkacem El Amrani, Mohammed Bendriss Amraoui

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