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Publication Type J
Authors Certain, C., L. Della Patrona, P. Gunkel-Grillon, A. Leopold, P. Soudant and F. Le Grand
Title Effect of Salinity and Nitrogen Form in Irrigation Water on Growth, Antioxidants and Fatty Acids Profiles in Halophytes Salsola australis, Suaeda maritima, and Enchylaena tomentosa for a Perspective of Biosaline Agriculture
Source Agronomy-Basel
Author Keywords halophyte Salsola australis Suaeda maritima Enchylaena tomentosa salt tolerance nitrogen form fatty acid phenolic compounds antioxidant activity
Abstract Cultivation of salt-tolerant crops help to face to irreversible global salinization of freshwater and soils. In New-Caledonia, three halophytes are candidates for saline crops, Salsola australis R.Br., Suaeda maritima (L.) Dumort and Enchylaena tomentosa R.Br. Their success and quality depend yet on availabilities of salinity and essential nutrients in agrosystems. So, we investigated effects of three salinities, i.e., control moderate and high, and five nitrogen ratios, i.e., 100:0, 75:25, 50:50, 25:75 or 0:100 NO3--N:NH4+-N ratio on their growth and functional value for fatty acids and antioxidants. Results show that the leaf fatty acid and antioxidant profiles of species, emphasize their good potential to become functional crop products, based on comparison with other functional plants, dietetic recommendation, or functional indices. However, their total phenolic compounds (TPC) content can be influenced by N-ratio (Suaeda maritima and Enchylaena tomentosa) and their antioxidant activity index (AAI) can be influenced by salinity (Suaeda maritima), N-ratio (Salsola australis) or both (Enchylaena tomentosa). Their quantitative and/or qualitative fatty acid profiles can also be influenced by salinity (Enchylaena tomentosa), N-ratio (Suaeda maritima), or both (Salsola australis). Regarding these variations, involving salt tolerance and nitrogen nutrition mechanisms, we recommend suitable treatments to maintain or optimize the growth and the functional quality of leaves in the three species.
Author Address [Certain, Cassandre; Della Patrona, Luc] French Inst Res Sci Sea IFREMER, Dept Lagons Ecosyst & Sustainable Aquaculture, Ctr Res & Dev Inst IRD, 101 Promenade Roger Laroque,BP 2059, F-98848 Noumea, France. [Certain, Cassandre; Gunkel-Grillon, Peggy] Univ New Caledonia, Inst Exact & Appl Sci ISEA, BPR4, F-98851 Noumea, France. [Leopold, Audrey] New Caledonian Inst Agr Res IAC, Equipe SolVeg, F-98848 Noumea, France. [Soudant, Philippe; Le Grand, Fabienne] European Univ Inst Sea IUEM, Marine Environm Sci Lab LEMAR, UMR 6539 UBO CNRS IRD IFREMER, Brest Iroise Technopole,Dumont Urville St, F-29280 Plouzane, France. Gunkel-Grillon, P (corresponding author), Univ New Caledonia, Inst Exact & Appl Sci ISEA, BPR4, F-98851 Noumea, France. certaincassandre@gmail.com; luc.della.patrona@ifremer.fr; peggy.gunkel-grillon@unc.nc; leopold@iac.nc; soudant@univ-brest.fr; fabienne.legrand@univ-brest.fr
29-Character Source Abbreviation Agronomy-Basel
Publication Date Mar
Year Published 2021
Volume 11
Issue 3
Digital Object Identifier (DOI) 10.3390/agronomy11030449
Unique Article Identifier WOS:000633207100001

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