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Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities

Sorghum is an important crop, which is widely used as food, forage, fodder and biofuel. Despite its natural adaption to resource-poor and stressful environments, increasing yield potential of sorghum under more favorable conditions holds promise. Nitrogen is the most important nutrient for crops, ha...

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Autores principales: Ostmeyer, Troy J., Bahuguna, Rajeev Nayan, Kirkham, M. B., Bean, Scott, Jagadish, S. V. Krishna
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8919068/
https://www.ncbi.nlm.nih.gov/pubmed/35295626
http://dx.doi.org/10.3389/fpls.2022.845443
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author Ostmeyer, Troy J.
Bahuguna, Rajeev Nayan
Kirkham, M. B.
Bean, Scott
Jagadish, S. V. Krishna
author_facet Ostmeyer, Troy J.
Bahuguna, Rajeev Nayan
Kirkham, M. B.
Bean, Scott
Jagadish, S. V. Krishna
author_sort Ostmeyer, Troy J.
collection PubMed
description Sorghum is an important crop, which is widely used as food, forage, fodder and biofuel. Despite its natural adaption to resource-poor and stressful environments, increasing yield potential of sorghum under more favorable conditions holds promise. Nitrogen is the most important nutrient for crops, having a dynamic impact on all growth, yield, and grain-quality-determining processes. Thus, increasing nitrogen use efficiency (NUE) in sorghum would provide opportunities to achieve higher yield and better-quality grain. NUE is a complex trait, which is regulated by several genes. Hence, exploring genetic diversity for NUE can help to develop molecular markers associated with NUE, which can be utilized to develop high NUE sorghum genotypes with greater yield potential. Research on improving NUE in sorghum suggests that, under water-deficit conditions, traits such as stay-green and altered canopy architecture, and under favorable conditions, traits such as an optimized stay-green and senescence ratio and efficient N translocation to grain, are potential breeding targets to develop high NUE sorghum genotypes. Hence, under a wide range of environments, sorghum breeding programs will need to reconsider strategies and develop breeding programs based on environment-specific trait(s) for better adaptation and improvement in productivity and grain quality. Unprecedented progress in sensor-based technology and artificial intelligence in high-throughput phenotyping has provided new horizons to explore complex traits in situ, such as NUE. A better understanding of the genetics and molecular pathways involving NUE, accompanied by targeted high-throughput sensor-based indices, is critical for identifying lines or developing management practices to enhance NUE in sorghum.
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spelling pubmed-89190682022-03-15 Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities Ostmeyer, Troy J. Bahuguna, Rajeev Nayan Kirkham, M. B. Bean, Scott Jagadish, S. V. Krishna Front Plant Sci Plant Science Sorghum is an important crop, which is widely used as food, forage, fodder and biofuel. Despite its natural adaption to resource-poor and stressful environments, increasing yield potential of sorghum under more favorable conditions holds promise. Nitrogen is the most important nutrient for crops, having a dynamic impact on all growth, yield, and grain-quality-determining processes. Thus, increasing nitrogen use efficiency (NUE) in sorghum would provide opportunities to achieve higher yield and better-quality grain. NUE is a complex trait, which is regulated by several genes. Hence, exploring genetic diversity for NUE can help to develop molecular markers associated with NUE, which can be utilized to develop high NUE sorghum genotypes with greater yield potential. Research on improving NUE in sorghum suggests that, under water-deficit conditions, traits such as stay-green and altered canopy architecture, and under favorable conditions, traits such as an optimized stay-green and senescence ratio and efficient N translocation to grain, are potential breeding targets to develop high NUE sorghum genotypes. Hence, under a wide range of environments, sorghum breeding programs will need to reconsider strategies and develop breeding programs based on environment-specific trait(s) for better adaptation and improvement in productivity and grain quality. Unprecedented progress in sensor-based technology and artificial intelligence in high-throughput phenotyping has provided new horizons to explore complex traits in situ, such as NUE. A better understanding of the genetics and molecular pathways involving NUE, accompanied by targeted high-throughput sensor-based indices, is critical for identifying lines or developing management practices to enhance NUE in sorghum. Frontiers Media S.A. 2022-02-28 /pmc/articles/PMC8919068/ /pubmed/35295626 http://dx.doi.org/10.3389/fpls.2022.845443 Text en Copyright © 2022 Ostmeyer, Bahuguna, Kirkham, Bean and Jagadish. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Plant Science
Ostmeyer, Troy J.
Bahuguna, Rajeev Nayan
Kirkham, M. B.
Bean, Scott
Jagadish, S. V. Krishna
Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title_full Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title_fullStr Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title_full_unstemmed Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title_short Enhancing Sorghum Yield Through Efficient Use of Nitrogen – Challenges and Opportunities
title_sort enhancing sorghum yield through efficient use of nitrogen – challenges and opportunities
topic Plant Science
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8919068/
https://www.ncbi.nlm.nih.gov/pubmed/35295626
http://dx.doi.org/10.3389/fpls.2022.845443
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