Visual observation of cowpea pod elongation to predict nitrogen accumulation in immature seeds
Cowpea is an important low-cost protein source for millions of people in West Africa. Although mature seeds are the primary food source, fresh green pods are also consumed to survive food shortages before the harvest of main cereal crops. To increase protein intake from green pod consumption, a visu...
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Published in | Plant production science Vol. 24; no. 2; pp. 224 - 229 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
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Kyoto
Taylor & Francis Ltd
03.04.2021
Taylor & Francis Group |
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Abstract | Cowpea is an important low-cost protein source for millions of people in West Africa. Although mature seeds are the primary food source, fresh green pods are also consumed to survive food shortages before the harvest of main cereal crops. To increase protein intake from green pod consumption, a visual indicator of pod elongation, namely relative pod length, which enables the nitrogen content of immature seeds to be estimated, was developed. This is a simple visual method to ascertain the optimal time for green pod harvesting and is therefore highly practical for local farmers, the primary consumers of green cowpea pods. The nitrogen content of immature seeds was estimated using Fourier transform infrared spectroscopy. This method was also applied to genetic resources to select cowpea accessions with high nitrogen content in immature seeds. |
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AbstractList | Cowpea is an important low-cost protein source for millions of people in West Africa. Although mature seeds are the primary food source, fresh green pods are also consumed to survive food shortages before the harvest of main cereal crops. To increase protein intake from green pod consumption, a visual indicator of pod elongation, namely relative pod length, which enables the nitrogen content of immature seeds to be estimated, was developed. This is a simple visual method to ascertain the optimal time for green pod harvesting and is therefore highly practical for local farmers, the primary consumers of green cowpea pods. The nitrogen content of immature seeds was estimated using Fourier transform infrared spectroscopy. This method was also applied to genetic resources to select cowpea accessions with high nitrogen content in immature seeds. |
Author | Iseki, Kohtaro Ishikawa, Haruki Ikazaki, Kenta |
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Cites_doi | 10.1002/jsfa.2740341206 10.1038/s41598-018-34555-9 10.1080/1343943X.2019.1677161 10.1093/jxb/34.5.563 10.1080/1343943X.2019.1625273 10.1007/s13197-010-0112-3 10.1007/BF00317013 10.1016/0378-4290(93)90092-2 10.1007/978-81-322-2023-7_5 10.1016/S0378-4290(97)00031-2 10.3389/fphys.2012.00155 10.1017/S0014479700008127 10.1111/j.1744-7348.2009.00367.x 10.1002/jsfa.9074 |
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Copyright | 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This work is licensed under the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. |
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References | cit0011 cit0001 cit0012 cit0010 Tarawali S. A. (cit0021) 1997 Muranaka S. (cit0016) 2015; 4 Cruz F. J. R. (cit0004) 2014; 8 Mortimore M. J. (cit0014) 1997 Nielsen S. S. (cit0017) 1997 cit0008 cit0019 cit0009 cit0006 cit0007 Pampana S. (cit0018) 2016; 66 cit0015 cit0005 cit0002 cit0013 R Core Team, R (cit0020) 2018 cit0003 |
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SubjectTerms | Cereal crops Cowpeas Elongation Food Food consumption Food intake Food sources Fourier transforms Genetic resources Harvest Harvesting immature pod Infrared spectroscopy Nitrogen nitrogen content pod length Precipitation Proteins Radiation Seeds Spectrum analysis Vigna unguiculata Visual observation |
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Title | Visual observation of cowpea pod elongation to predict nitrogen accumulation in immature seeds |
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