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Wheat physiological traits response in standard and ecological agricultural systems
Respuesta de los rasgos fisiológicos del trigo en sistemas agrícolas estándar y ecológico
DOI:
https://doi.org/10.15446/esrj.v25n1.94403Keywords:
Agricultural system, wheat, photosynthesis, cropping seasons (en)Sistema agrícola, trigo, fotosíntesis, cosechas (es)
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This research was conducted on a farm of Payam-e-Noor University in Piranshahr, in West Azerbaijan province of Iran, during 2014-2015 and 2015-2016 crop sessions to investigate the wheat physiological traits response to standard and ecological agricultural systems. The experiment was conducted as a split-plot design with two factors and three replications. The first factor, which was considered the main plot, included high, low-input, and ecological agricultural systems. Subplots were seed pre-treatment, including control (without priming), hydro priming, and food priming with ascorbate. The results showed that the least photosynthesis rate and mesophilic conductance were related to low-input agricultural system; however, in the ecological system, the transpiration, substomatal carbon dioxide, and water use efficiency of photosynthesis were the lowest. Also, seed priming increased the photosynthesis rate, mesophilic conductivity, and water use efficiency of photosynthesis.
Este estudio se realizó en la granja de pruebas de la Universidad de Payam-e-Noor, en la ciudad de Piranshahr, provincia de West Azerbaijan, Irán en la cosecha de los años 2014-2015 y 2015-2016, para analizar la respuesta de las características morfofisiológicas del trigo en sistemas de agricultura común y de agricultura ecológica. La fase experimental se diseñó en una área dividida, con dos factores y tres réplicas. El primer factor, que se consideró como el del lote principal, se dividió en los niveles de alta, baja contribución y sistemas de agricultura ecológica. Los sublotes fueron sembrados antes de los tratamientos que incluyen control (sin preparación), preparación hidráulica y preparación de nutrientes con ascorbato. Los resultados muestran que el menor índice de fotosíntesis y de conductividad mesófila estaba relacionado con los sistemas agrícolas de baja aportación. Sin embargo, la transpiración, el dióxido de carbono subestomático y el uso eficiente del agua durante la fotosíntesis en el sistema ecológico fueron los más bajos. Además, la preparación de la siembra incrementó el índice de fotosíntesis, la conductividad mesófila y el uso eficiente del agua durante la fotosíntesis.
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