Mitigation of saline conditions in watermelon with mycorrhiza and silicon application |
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Authors: | Priyanka Bijalwan Kaouthar Jeddi Ishan Saini Meenakshi Sharma Prashant Kaushik Kamel Hessini |
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Institution: | 1. Defence Institute of Bio-Energy Research, DRDO, Pithoragarh, Uttarakhand 262501, India;2. Laboratory of Plant Biodiversity and Dynamic of Ecosystems in Arid Area, Faculty of Sciences of Sfax, B.P. 1171, Sfax 3000, Tunisia;3. Department of Botany, Kurukshetra University, Kurukshetra, 136118 Haryana, India;4. Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, 46022 Valencia, Spain;5. Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia |
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Abstract: | Citrullus lanatus L. is critical vegetable for salinity stress. Arbuscular mycorrhizal fungi (AMF) and silicon treatments are known to help as bio-ameliorator of saline soils that can improve salinity tolerance in plants. But their combined effect has never been examined on watermelon therefore, present study investigated the effect of inoculation with the Arbuscular mycorrhizal fungi (AMF) along with silicon on the growth and yield parameters, antioxidant enzyme activities, pigment and mineral content of Citrullus lanatus L. plants grown during salt stress conditions. Outcomes from the study point out that salt stressed watermelon plants showed the best morphological and biochemical values when inoculated with Silicon (4 mM) + Glomus mosseae + Gigaspora gigantean. In addition, the plants inoculated by similar treatment demonstrated less osmotic activity, electrolyte leakage, as well as peroxide content. Treatments comprising Silicon (4 mM) with either Glomus mosseae and Gigaspora gigantean also performed significantly similar for most of the traits studied in the present investigation and better than the treatment only with either one of Glomus mosseae and Gigaspora gigantean. Antioxidant efficiency of melon was certainly appreciably enhanced after incubation with AMF and Si combination in salinity stress. Overall, the application of mycorrhiza and silicon can be considered to overcome the salinity stress in watermelon. |
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Keywords: | Antioxidant Reactive oxygen species |
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