Journal of Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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A comparative study on the nitrogen utilization efficiency and growth rate of domestic keumgang and chokyeong wheat

  • Lee, Won Je (Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Jeong, Chan Young (Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Lee, Seokjin (Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University) ;
  • Kang, Chon-Sik (Crop Breeding Division, National Institute of Crop Science, RDA) ;
  • Lee, Hojoung (Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University)
  • Received : 2019.01.09
  • Accepted : 2019.01.15
  • Published : 2019.03.31
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Abstract

All countries, including Korea, are currently experiencing the effect of rapid climate change. As a result, the cultivation area of many crops including wheat is changing, or productivity is falling sharply. If enough nitrogen is present in the soil, the increase in atmospheric carbon dioxide due to the greenhouse effect can lead to increased photosynthesis of plants, resulting in increased productivity. By contrast, a low proportion of nitrogen in soil does not increase production, often leading to the use of nitrogen fertilizers to increase crop productivity: this causes serious environmental pollution due to the leakage of nitrogen fertilizers used by crops. Increasing the understanding of the molecular level of the plant nitrogen use efficiency mechanism may contribute to increased productivity of crops and reduced of environmental pollution by nitrogen. In Korea, cultivars have developed 35 kinds of wheat, such as 'keumgang' and 'Chokyeong', which can be used for specific purposes such as baking or noodles. In this study we investigate 'keumgang' and 'Chokyeong' in order to elucidate the mechanism of nitrogen use ability of wheat and contribute to the reduction of environmental pollution by providing guidelines for the proper use of nitrogenous fertilizer.

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