Greener Journal of Agricultural Sciences Vol. 3 (6), pp. 433-436, June 2013.
ISSN: 2276-7770 © 2011 Greener Journals
Manuscript Number: 031513526
Effect of some Ecophysiological Stresses on Germination Behaviour of Caesalpinia Pulcherrima (L.) Swartz
Center of Plant Biodiversity and Botanical Garden, University of Peshawar,
Email:hadibotany @ yahoo. com
Caesalpinia pulcherrima (L.) Swartz (family
Caesalpiniaceae) is introduced and cultivated in
Pakistan as an ornamental plant. It has medicinal values as
well. Laboratory studies revealed that whole of seeds did
not germinate up to 60 days with any of the treatment. At
control seeds germinated 40%, while 60% and 70% at
presoaking for 12 and 24 hours respectively. 40% germination
occurred at one hour acid treatment and no germination at
three hours acid soaking and combination of acid and water.
Mechanical scarification and 12 hours water soaking showed
best results with 80% germination. There were no
satisfactory results with mechanical scarification and
chemical scarification combination. Similarly, mechanical
scarification, chemical scarification and water combination
gave poor results.
Keywords: Ecophysiology, Caesalpinia pulcherrima germination, Water soaking, Sulphuric acid, Mechanical scarification and 12 hours water soaking 80% germination.