PJB-2014-228
ROOT EXUDATES AND LEAF LEACHATES OF 19 MEDICINAL PLANTS OF PAKISTAN EXHIBIT ALLELOPATHIC POTENTIAL
SAIRAH SYED1*, MUHAMMAD IMRAN AL–HAQ2, ZAMMURAD IQBAL AHMED1, ABDUL RAZZAQ1 AND MUHAMMAD AKMAL3
Abstract
Laboratory experiments were conducted to evaluate the allelopathic potential of root exudates and leaf leachates of 19 medicinal plants commonly used in Pakistan by plant box and sandwich methods, respectively. In sandwich method, lettuce seedlings were grown with the dry leaf leachates of the selected plant species in a growing media at the rate of 5, 10 and 50 mg dish-1 in a completely randomized design with three replications. Their effects on hypocotyl and radicle growth of the lettuce were recorded as a percentage of untreated control. Data was subjected for analysis of variance and treatment means were compared by Tukey’s HSD test at p
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