Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Can Foliar-Applied Omeprazole Improve the Yield, Assimilation, Recovery and Nitrogen Use Efficiency in Bean Plants?

Carlos Abel Ramírez Estrada
ORCID logo ,
Esteban Sánchez
* ORCID logo ,
María Antonia Flores-Córdova
ORCID logo ,
Celia Chávez-Mendoza
ORCID logo ,
Sandra Pérez-Álvarez
,
Rosa María Yáñez-Muñoz
Version 1 : Received: 16 January 2024 / Approved: 17 January 2024 / Online: 17 January 2024 (16:08:36 CET)

A peer-reviewed article of this Preprint also exists.

Ramírez-Estrada, C.A.; Sánchez, E.; Flores-Córdova, M.A.; Chávez-Mendoza, C.; Pérez-Álvarez, S.; Yáñez-Muñoz, R.M. Can Foliar-Applied Omeprazole Improve the Yield, Assimilation, Recovery and Nitrogen Use Efficiency in Bean Plants? Nitrogen 2024, 5, 219-231. Ramírez-Estrada, C.A.; Sánchez, E.; Flores-Córdova, M.A.; Chávez-Mendoza, C.; Pérez-Álvarez, S.; Yáñez-Muñoz, R.M. Can Foliar-Applied Omeprazole Improve the Yield, Assimilation, Recovery and Nitrogen Use Efficiency in Bean Plants? Nitrogen 2024, 5, 219-231.

Abstract

Low efficiency and excessive application of nitrogen (N) fertilizers is a frequent problem in agriculture that impacts the environment. Omeprazole (OMP) has been reported to promote N uptake and assimilation in tomato, basil, and corn. However, information about the effect of omeprazole on N assimilation, recovery and N use efficiency parameters for bean plants is limited. Therefore, the objective of the present study was to determine the effect of foliar application of OMP at 0, 1, 10 and 100 µM on nitrogen assimilation, growth, yield, nitrogen use efficiency parameters and recovery percentage in green bean plants. Green bean plants cv. Strike grown in pots were used. Biomass, yield, nitrate reductase activity, photosynthetic pigments concentration, soluble amino acids and protein concentration, total nitrogen concentration, nitrogen use efficiency parameters and nitrogen recovery were analyzed. The results obtained indicate that the application of OMP at 1 µM increased yield, biomass and promoted N assimilation through higher NR enzyme activity, higher amino acid concentration, higher N use efficiency coefficient and allowed a more efficient nitrogen recovery percentage.

Keywords

Phaseolus vulgaris L.; ammonium assimilation; productivity; efficiency; nitrate reductase

Subject

Biology and Life Sciences, Agricultural Science and Agronomy

Copyright: 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.

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