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Int. J. Mol. Sci. 2018, 19(6), 1762; https://doi.org/10.3390/ijms19061762

Molecular Genetics and Breeding for Nutrient Use Efficiency in Rice

1
Rice Breeding Platform, International Rice Research Institute (IRRI), Los Baños, Laguna 4031, Philippines
2
ICAR-National Rice Research Institute, Cuttack, Odisha 753006, India
3
Institute of Crop Science, College of Agriculture and Food Science, University of the Philippines Los Baños, Laguna 4031, Philippines
4
Institute of Crop Sciences, Chinese Academy of Agricultural Science, Beijing 100081, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 25 April 2018 / Revised: 26 May 2018 / Accepted: 1 June 2018 / Published: 14 June 2018
(This article belongs to the Special Issue Plant Genetics and Molecular Breeding)
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Abstract

In the coming decades, rice production needs to be carried out sustainably to keep the balance between profitability margins and essential resource input costs. Many fertilizers, such as N, depend primarily on fossil fuels, whereas P comes from rock phosphates. How long these reserves will last and sustain agriculture remains to be seen. Therefore, current agricultural food production under such conditions remains an enormous and colossal challenge. Researchers have been trying to identify nutrient use-efficient varieties over the past few decades with limited success. The concept of nutrient use efficiency is being revisited to understand the molecular genetic basis, while much of it is not entirely understood yet. However, significant achievements have recently been observed at the molecular level in nitrogen and phosphorus use efficiency. Breeding teams are trying to incorporate these valuable QTLs and genes into their rice breeding programs. In this review, we seek to identify the achievements and the progress made so far in the fields of genetics, molecular breeding and biotechnology, especially for nutrient use efficiency in rice. View Full-Text
Keywords: NPK fertilizers; agronomic traits; molecular markers; quantitative trait loci NPK fertilizers; agronomic traits; molecular markers; quantitative trait loci
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Ali, J.; Jewel, Z.A.; Mahender, A.; Anandan, A.; Hernandez, J.; Li, Z. Molecular Genetics and Breeding for Nutrient Use Efficiency in Rice. Int. J. Mol. Sci. 2018, 19, 1762.

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