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Paper Information

Journal:   DESERT (BIABAN)   2007 , Volume 12 , Number 1 ; Page(s) 17 To 21.
 
Paper: 

EFFECT OF WATER STRESS ON SEED GERMINATION OF ARTEMISIA SPICIGERA & ARTEMISIA FRAGRANS

 
 
Author(s):  AZARNIVAND H.*, SOURI MONA, ETEMAD V.
 
* FACULTY OF NATURAL RESOURCES, UNIVERSITY OF TEHRAN, IRAN
 
Abstract: 

Physiological effect of five levels of water stress (0,-0.3,-6,-9 and -1.2MP) was studied on seed germination and tigella as well as radicule growth length in two different Artemisia species namely: Artemisia spicigera and Artemisia fragrans. Polyethylene glycol (PEG) was used to provide appropriate water potentials. A total of 50 seeds were sown from each Artemisia species. Experimental design was a factorial one of complete randomized design. Maximum germination rate was obtained at -0.3 MP. Germination rate, and tigella & radicule growth lengths declined with decreasing water potential level. Artemisia spicigera was more resistant to water stress in comparison with Artemisia fragrans.

 
Keyword(s): WATER STRESS, POLYETHYLENE GLYCOL, GERMINATION, TIGELLA, RADICULE
 
References: 
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