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- Title
Effect of Water Stress on Seed Germination of Agropyron Elongatum, Agropyron Desertourm & Secale Montanum.
- Authors
Esfahan, E. Zandi; Azarnivand, H.
- Abstract
Physiological effect of six levels of water stress (0, -0.1, -.03, -0.6, -0.9 and -1.2 MP) was studied on seed germination and plumule as well as radicule growth length in three species namely: Agropyron elongatum, Agropyron desertourm and Secale montanum. Polyethylene glycol (PEG) was used to provide appropriate water potentials. A total of 100 seeds in four replications (Petri dishes) were sown from each species. Experimental design was a factorial one of complete randomized design. Maximum germination rate was obtained at 0 MP. Germination rate and plumule and radicule growth declined with water potential level. The most resistance species to water stress are Secale montanum, Agropyron elongatum and Agropyron desertorum respectively.
- Subjects
GERMINATION; WHEATGRASSES; SECALE; PHYSIOLOGICAL effects of water; POLYETHYLENE glycol
- Publication
Desert (2008-0875), 2013, Vol 17, Issue 2, p249
- ISSN
2008-0875
- Publication type
Article