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Paper Information

Journal:   JOURNAL OF PLANT RESEARCH (IRANIAN JOURNAL OF BIOLOGY)   2013 , Volume 26 , Number 2; Page(s) 217 To 225.
 
Paper: 

EFFECT OF CHEMICAL TREATMENTS, PRE-MOIST CHILLING, HOT AND TAP WATER ON SEED DORMANCY BREAKING IN ARCTIUM LAPPA

 
 
Author(s):  NABAEE M., ROSHANDEL P., MOHAMMADKHANI A.R.
 
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Abstract: 

Arctium lappa is a medicinal plant of Asteraceae. To break dormancy and increase the germination of its seeds, various methods was tested including KNO3 (0.2% for 48 h.), H2SO4 (75% for 5 and 10 min.), hot water (70 and 90oC, each for 15 min.), and tap water (for 24 and 48 h.). Results revealed that the treatment with KNO3 was more effective, yielding 85% germination. On the other hand, treatments with H2SO4, hot (70oC) and tap water also exhibited considerable effects on the germination rate and percentage (in turn- 66%, 65% and 24%). Overall, according to the obtained results and with regard to the negative effect of H2SO4 on the consequential growth of seedlings, KNO3 (0.2% for 48 h.) and hot water (70oC) would be suggested as the most efficient treatments to break seed dormancy of Arctium lappa.

 
Keyword(s): ARCTIUM LAPPA, SEED DORMANCY, CHEMICAL TREATMENTS, HOT AND TAP WATER TREATMENTS
 
References: 
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