Genetics of Nitrogen Use Efficiency (NUE) in Rice

  • Biswaranjan Patra Center for Biotechnology, Siksha ‘O’ Anusandhan Deemed to be University, Bhubaneswar, Odisha (751 003), India
  • Prasanta Kumar Majhi Dept. of Plant Breeding and Genetics, Regional Research and Technology Transfer Station, Odisha University of Agriculture and Technology, Keonjhar, Odisha (758 002), India
  • Ayaz Ahamad Biosciences Group, Homi Bhabha National Institute, Bhabha Atomic Research Centre, Mumbai, Maharashtra (400 094), India
  • Partha Pratim Behera Dept. of Plant Breeding and Genetics, Assam Agricultural University, Jorhat, Assam (785 013), India
Keywords: Genetic engineering, Genome editing, Nitrogen use efficiency, Rice


Nitrogen use efficiency (NUE) is defined as the output of any plant per unit of nitrogen applied under a specified set of soil and climatic conditions. Due to the mobile nature of nitrogen, the N-loss from the soil is greater than any other element. Several agronomical management practices are being followed in rice to increase nitrogen use efficiency. But, these practices are not giving a permanent solution. Therefore, the development of nitrogen use efficient (NUE) rice varieties is inevitable for the sustainability of the environment and economic agricultural practices. Many genomic regions (QTLs) associated with NUE have been investigated in rice to improve the NUE by genome mapping. The future breeding programme needs to incorporate advanced molecular approaches like marker-assisted selection, genome editing, high-throughput sequencing, and genetic engineering to gain a deep understanding of the genetic mechanism and dissection of the suitable traits to develop an efficient rice genotype for an N-limited environment.


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How to Cite
Patra, B., Majhi, P.K., Ahamad, A. and Behera, P.P. 2021. Genetics of Nitrogen Use Efficiency (NUE) in Rice. Biotica Research Today. 3, 11 (Nov. 2021), 1083-1085.

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