Effects of various salts on the germination of three perennial salt marsh species
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AuthorVicente Colomer, María José; Conesa Gallego, Encarnación; Álvarez Rogel, José; Franco Leemhuis, José Antonio; Martínez Sánchez, Juan José
Research GroupGrupo de Investigación de Hortofloricultura Mediterránea
Knowledge AreaProducción Vegetal
SponsorsThis study was supported by the Consejería de Industria y Medio Ambiente of Regional Gouvernment of Murcia.
Bibliographic CitationVICENTE, María José, CONESA, Encarnación, Álvarez Rogel, José, FRANCO, José Antonio, MARTÍNEZ SÁNCHEZ, Juan José. Effects of various salts on the germination of three perennial salt marsh species. Aquatic Botany, 87 (2): 167-170, 2007. ISSN 0304-3770
KeywordsEcología de semillas
We studied the germination responses of Arthrocnemum macrostachyum, Juncus acutus and Schoenus nigricans to saline stress caused by different salt types. The germination percentage and mean time to germination data were obtained by incubating seeds for 30 d in 1, 2, 3, 4 or 5% saline solutions of NaCl, MgCl2, MgSO4 and Na2SO4 at 30/20 °C and with a 12 h photoperiod. A. macrostachyum was the most tolerant species to salinity during the germination (65% in 2% NaCl). S. nigricans showed the lowest germination (none germinated in salt and only 26% in distilled water). J. acutus showed intermediate behaviour between the two above species, its germination being inhibited by high salt concentrations. The sulphates had less inhibitory effect than the equivalent chloride concentrations.
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