Abstract
Abstract With the increase of agricultural food production worldwide it has been observed that there is seven times increase in the use of nitrogen fertilizers over the past decades. Therefore, the challenge for the next decades will be to accommodate the needs of the mushrooming world population by enhancing productivity of food grains, with no ill effect on environment. Efficient nitrogen fertilization is crucial for economic wheat production and protection of ground and surface waters. Various physiological parameters (from canopy to the root structure) have been studied in case of hexaploid wheat to identify cultivars which show more nitrogen efficiency. Plants take up nitrogen in the form of nitrate from the soil through transporter systems located in the roots. After uptake, nitrate is assimilated by a series of nitrate assimilatory enzymes, viz., nitrate reductase, nitrite reductase, and glutamine synthetase (GS) and glutamate synthase (GOGAT). Keywords: NUE, yield-protein relationship, GS, GOGAT Cite this Article: Meenakshi Uniyal, Manjeet Kumar, Rishipal Gangwar, et al.,Nitrogen Use Efficiency in Hexaploid Wheat: An Abridgement of Physiological and Biochemical Aspects. Research & Reviews: Journal of Agricultural Science and Technology . 2015; 4(1): 12–15p.
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