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Effects of Carbon and Nitrogen Fertilisers on Rice Quality of the OsNRT2.3b -Overexpressing Line

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  • Yong Zhang

    (Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
    State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

  • Pulin Kong

    (State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

  • Fan Wang

    (State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

  • Limei Zhao

    (State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

  • Kaiyun Qian

    (State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

  • Yadong Zhang

    (Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)

  • Xiaorong Fan

    (State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
    Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China)

Abstract

Excessive nitrogen fertiliser use reduces nitrogen use efficiency and causes significant damage to the environment. Carbon fertilisers have the advantage of improving soil fertility; however, the effects of carbon and nitrogen fertilisers on rice yield and quality are not clear. In this study, the nitrogen-efficient line ( OsNRT2.3b -overexpressing [O8]) and wild type (WT) were treated with different levels of nitrogen and carbon fertilisers under field conditions to study the effects of different fertilisation treatments on rice quality. The results showed that the appearance, nutrition, and taste qualities of O8 were generally high compared with WT under various fertilisation treatment conditions in 2019 and 2020. Compared with 90 kg/ha and 270 kg/ha nitrogen fertiliser, a single application of 90 kg/ha and 270 kg/ha carbon fertiliser significantly reduced the protein content of O8 by approximately 37.08% and 35.50% in 2019 and 2020, respectively, compared with WT, and improved the eating quality of O8 and WT. However, the replacement of nitrogen fertiliser with 20% carbon fertiliser did not improve the eating quality of O8 and WT compared with a single application of nitrogen fertiliser. This study identifies a high-quality gene, OsNRT2.3b , for breeding high-quality rice and provides a theoretical basis for obtaining high-quality rice and molecular breeding.

Suggested Citation

  • Yong Zhang & Pulin Kong & Fan Wang & Limei Zhao & Kaiyun Qian & Yadong Zhang & Xiaorong Fan, 2022. "Effects of Carbon and Nitrogen Fertilisers on Rice Quality of the OsNRT2.3b -Overexpressing Line," Agriculture, MDPI, vol. 12(6), pages 1-13, June.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:6:p:802-:d:829906
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    References listed on IDEAS

    as
    1. Dora Trejo & Wendy Sangabriel-Conde & Mayra E. Gavito-Pardo & Jacob Banuelos, 2021. "Mycorrhizal Inoculation and Chemical Fertilizer Interactions in Pineapple under Field Conditions," Agriculture, MDPI, vol. 11(10), pages 1-8, September.
    2. Yihao Yang & Min Guo & Shengyuan Sun & Yelu Zou & Shuangyi Yin & Yannan Liu & Shuzhu Tang & Minghong Gu & Zefeng Yang & Changjie Yan, 2019. "Natural variation of OsGluA2 is involved in grain protein content regulation in rice," Nature Communications, Nature, vol. 10(1), pages 1-12, December.
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