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Paper Information

Journal:   PLANT AND ECOSYSTEM   WINTER 2014 , Volume 9 , Number 37; Page(s) 53 To 61.
 
Paper: 

INVESTIGATING THE EFFECT OF SEED DORMANCY BREAKING TREATMENTS ON THE GERMINATION AND SEEDLING GROWTH OF KELUSSIA ODORATISSIMA MOZAFF.

 
 
Author(s):  MAKKIZADEH TAFTI M.*, FARHOUDI R.
 
* RESEARCH INSTITUTE OF FORESTS AND RANGELANDS, RIFR, TEHRAN, IRAN
 
Abstract: 

Kelussia odoratissima Mozaff. is one of the rangeland and medicinal plants native of Iran which is in danger of extinction. The present experiment was carried out in a completely randomized design with four replications in an attempt to investigate the effect of dormancy-breaking treatments on the germination and seedling growth of Kelussia odoratissima Mozaff. The treatments included: seed stratification (4oC for 2, 4, 8 and 10 weeks), gibberellic acid (250,500 and 1000 ppm solution), and the combination of seed stratification and gibberellic acid (500 ppm +4oC for 2, 4, 8 and 10 weeks). The results indicated that there was a significant difference between seed dormancy breaking treatments (P<0.01). The highest germination percentage was respectively obtained from 10- and 8-week treatments under 500 ppm + 4oC (86 and 88%). It was observed that the highest root (32mm) and shoot (24mm) length belonged to the 10-week treatment under 500 ppm +4oC.

 
Keyword(s): KELUSSIA ODORATISSMA, SEED DORMANCY, STRATIFICATION, GIBBERELLIC ACID
 
References: 
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