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Environmental Sciences Proceedings
Volume 16
Issue 1
10.3390/environsciproc2022016073
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Proceeding Paper

Salt Stress Effects on the Growth, Photosynthesis and Antioxidant Enzyme Activities in Maize (Zea mays L.) Cultivars †

by
Zayneb Kthiri
*,‡,
Mohamed Dhia Eddine Hammami
‡,
Oumaima Marzougui
‡,
Maissa Ben Jabeur
‡,
Amal Aouadi
,
Chahine Karmous
and
Walid Hamada
Laboratory of Genetics and Cereals Breeding, National Institute of Agronomy of Tunisia, Carthage University, Tunis 1082, Tunisia
*
Author to whom correspondence should be addressed.
†
Presented at the 2nd International Laayoune Forum on Biosaline Agriculture, 14–16 June 2022; Available online: https://lafoba2.sciforum.net/.
‡
These authors contributed equally to this work.
Environ. Sci. Proc. 2022, 16(1), 73; https://doi.org/10.3390/environsciproc2022016073
Published: 19 July 2022
(This article belongs to the Proceedings of The 2nd International Laayoune Forum on Biosaline Agriculture)
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Abstract

Salt stress is considered one of the most damaging abiotic stresses for maize productivity. In this study, two-hybrid varieties (Sancia and Agrister) were cultivated under 0, 2, 4, and 6 g NaCl L−1. Under 6 g NaCl L−1, shoot length, dry weight, and chlorophyll content were higher for Agrister compared to Sancia. Moreover, an increase in proline and H2O2 was recorded for Sancia at 2 and 4 g·L−1 and for Agrister at 6 g·L−1. Laterally, Agrister enhances the antioxidant enzymes catalase and peroxidase, while Sancia decreased peroxidase by 25% compared to the control. In conclusion, Agrister seems to be more tolerant than Sancia.
Keywords: salt stress; maize; physiological traits; antioxidants enzymes salt stress; maize; physiological traits; antioxidants enzymes

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MDPI and ACS Style

Kthiri, Z.; Hammami, M.D.E.; Marzougui, O.; Jabeur, M.B.; Aouadi, A.; Karmous, C.; Hamada, W. Salt Stress Effects on the Growth, Photosynthesis and Antioxidant Enzyme Activities in Maize (Zea mays L.) Cultivars. Environ. Sci. Proc. 2022, 16, 73. https://doi.org/10.3390/environsciproc2022016073

AMA Style

Kthiri Z, Hammami MDE, Marzougui O, Jabeur MB, Aouadi A, Karmous C, Hamada W. Salt Stress Effects on the Growth, Photosynthesis and Antioxidant Enzyme Activities in Maize (Zea mays L.) Cultivars. Environmental Sciences Proceedings. 2022; 16(1):73. https://doi.org/10.3390/environsciproc2022016073

Chicago/Turabian Style

Kthiri, Zayneb, Mohamed Dhia Eddine Hammami, Oumaima Marzougui, Maissa Ben Jabeur, Amal Aouadi, Chahine Karmous, and Walid Hamada. 2022. "Salt Stress Effects on the Growth, Photosynthesis and Antioxidant Enzyme Activities in Maize (Zea mays L.) Cultivars" Environmental Sciences Proceedings 16, no. 1: 73. https://doi.org/10.3390/environsciproc2022016073

APA Style

Kthiri, Z., Hammami, M. D. E., Marzougui, O., Jabeur, M. B., Aouadi, A., Karmous, C., & Hamada, W. (2022). Salt Stress Effects on the Growth, Photosynthesis and Antioxidant Enzyme Activities in Maize (Zea mays L.) Cultivars. Environmental Sciences Proceedings, 16(1), 73. https://doi.org/10.3390/environsciproc2022016073

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