In vitro efficacy of plant leaf extracts against Sclerotium rolfsii Sacc

Aqueous plant leaf extracts of Calotropis procera (Wild.) R.Br., Cannabis sativa (L.) and Datura alba Nees. @ 0.5, 1.0, 1.5 and 2.0% on the mycelial growth of Sclerotium rolfsii Sacc. were evaluated by poisoned food technique. The fungus was grown on chickpea seed meal agar medium (CSMA) for bioassay. D. alba and C. procera were found effective @ 1.5 and 2% followed by C. sativus (2%) in reducing the mycelial growth of the fungus over the non amended control. In case of sclerotial production, the leaf extracts of D. alba and C. procera at the concentration of 2%.