Journal of Applied Genetics 42(3), 2001, pp. 289-292

Salt tolerance of Triticum monococcum L., T. dicoccum (Schrank) Schubl., T. durum Desf. and T. aestivum L. seedlings

Roman PRAZAK

Abstract: Responses to salt stress of diploid wheat Triticum monococcum L., tetraploid wheats T. dicoccum (Schrank) Schubl. and T. durum Desf. cv. Grandur, and hexaploid wheats T. aestivum L. cvs. Begra and Gama were studied. Seeds were germinated on filter paper in Petri dishes, moistened in Hoagland medium containing 0 (control), 10, 20, 50, 100 and 200 mM NaCl. Index of tolerance to salt treatments was calculated on the basis of shoot length. Increase in salt concentration led to decrease in seed germination and inhibition of shoot and root elongation. Hexaploid and diploid wheats were more tolerant to salt stress than tetraploid wheats.

Key words: germination, salt tolerance, seedling growth, Triticum aestivum, Triticum dicoccum, Triticum durum.

Correspondence: R. PRAZAK, Institute of Agricultural Sciences, Lublin University of Agriculture, Szczebrzeska 102, 22-400 Zamosc, Poland.