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Saline Water Irrigation of Quinoa and Chickpea: Seedling Rate, Stomatal Conductance and Yield Responses

Saline Water Irrigation of Quinoa and Chickpea: Seedling Rate, Stomatal Conductance and Yield... A pot experiment was conducted in the south of Morocco to evaluate the response of chickpea and quinoa to different irrigation water salinity treatments (1, 4, 7 and 10 dS m−1 for chickpea and 1, 10, 20 and 30 dS m−1 for quinoa). Increasing salinity affected significantly (P < 0.05) seedling rate and height and caused delay and reduction in seed emergence, quinoa was shown to be more resistant than chickpea. Dry biomass, seed yield, harvest index and crop water productivity were affected significantly (P < 0.05) by salinity where increasing salinity level led to decrease in dry biomass, root volume and seed yield for both quinoa and chickpea while increasing salinity resulted in increase – in the case of quinoa – and decrease – in the case of chickpea – in harvest index and crop water productivity. Na+ and Na+/K+ ratio increased with increasing irrigation water salinity, while K+ content decreased – in the case of quinoa – and increased – in the case of chickpea – with increasing salinity. Through this study, it was demonstrated that the salinity threshold in which seedling starts to be affected by salinity was equal to 2 and 8 dS m−1 for chickpea and quinoa, respectively. Quinoa was shown to be more resistant to salinity of all investigated parameters. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Agronomy and Crop Science Wiley

Saline Water Irrigation of Quinoa and Chickpea: Seedling Rate, Stomatal Conductance and Yield Responses

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References (54)

Publisher
Wiley
Copyright
Copyright © 2014 Blackwell Verlag GmbH
ISSN
0931-2250
eISSN
1439-037X
DOI
10.1111/jac.12072
Publisher site
See Article on Publisher Site

Abstract

A pot experiment was conducted in the south of Morocco to evaluate the response of chickpea and quinoa to different irrigation water salinity treatments (1, 4, 7 and 10 dS m−1 for chickpea and 1, 10, 20 and 30 dS m−1 for quinoa). Increasing salinity affected significantly (P < 0.05) seedling rate and height and caused delay and reduction in seed emergence, quinoa was shown to be more resistant than chickpea. Dry biomass, seed yield, harvest index and crop water productivity were affected significantly (P < 0.05) by salinity where increasing salinity level led to decrease in dry biomass, root volume and seed yield for both quinoa and chickpea while increasing salinity resulted in increase – in the case of quinoa – and decrease – in the case of chickpea – in harvest index and crop water productivity. Na+ and Na+/K+ ratio increased with increasing irrigation water salinity, while K+ content decreased – in the case of quinoa – and increased – in the case of chickpea – with increasing salinity. Through this study, it was demonstrated that the salinity threshold in which seedling starts to be affected by salinity was equal to 2 and 8 dS m−1 for chickpea and quinoa, respectively. Quinoa was shown to be more resistant to salinity of all investigated parameters.

Journal

Journal of Agronomy and Crop Science – Wiley

Published: Jan 1, 2014

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