Volume 2, Issue 4 (2000)                   JAST 2000, 2(4): 257-262 | Back to browse issues page

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Ghadiri H, Bagherani Torshiz N. Effects of Scarification and Temperature on Germination of Licorice (Glycyrrhiza glabra L.) Seeds. JAST. 2 (4) :257-262
URL: http://journals.modares.ac.ir/article-23-11099-en.html
1- Department of Crop Production and Plant Breeding, College of Agriculture, Shiraz University, Shiraz, Islamic Republic of Iran.
2- Agricultural Research Center, Gorgan, Islamic Republic of Iran.
Abstract:   (6420 Views)
Laboratory experiments were performed to determine the effect of various scarification treatments at four temperature regimes on germination of licorice seeds . A randomized complete block design with four replications was used. Germination counts were made every day for 2 weeks. At 50C, none of the chemically and mechanically scarified and non scarified seeds germinated. At 15, 25, and 350C, mechanical scarification increased seed germination to 94-98%. However, at these temperatures, velocity of germination of mechanically scarified seeds were lowest among all treatments. Chemical scarification also increased germination percentage significantly to 90-95% with 45 min soaking. At 15 and 250C, seed germination percentage and velocity of germination increased as the soaking time in sulfuric acid increased from 5 to 30, 45, or 60 min. However, at 350C, there was no difference in germination percentage between soaking times of 5 and 60 min. It appears that soaking for 45 min provides full germination at 25 and 350C.
Full-Text [PDF 230 kb]   (9409 Downloads)    
Subject: Agronomy
Received: 2010/05/15 | Accepted: 2010/05/15 | Published: 2010/05/15

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