PJB-2010-99
PHYTOTOXIC STUDIES OF MEDICINAL PLANT SPECIES OF PAKISTAN
SYED ABDULLAH GILANI12*, YOSHIHARU FUJII3, ZABTA KHAN SHINWARI4, MUHAMMAD ADNAN1, AKIRA KIKUCHI2 AND KAZUO N. WATANABE2
Abstract
Allelopathic screening of 81 medicinal plant species, collected from North West Frontier Province (NWFP) Pakistan, was carried out to identify significantly higher allelopathic species for future phytochemical analyses. For this purpose, sandwich method was used to test allelopathic potentials of leaf leachates of these plant species against lettuce seeds (Lactuca sativa L.). Two different concentrations of 10 mg and 50 mg of leaf leachates were used in the study. The radicle and hypocotyl growths were measured and compared with control treatments. It was observed that an endemic species Seriphidium kurramense, Andrachne cordifolia and Rhazya stricta were the stronger phytotoxic plants as compared to the other test species.
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