In vitro evaluation of medicinal plant extracts against Pestalotiopsis mangiferae.
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A serious leaf-spot disease of Mangifera indica was noted during the last 10 years in Satpura plateau of India. On the basis of characteristic symptoms and cultural characters, the pathogen was identified as Pestalotiopsis mangiferae which is hitherto not reported from Satpura plateau of India. Screening of 17-medicinal plants against the test pathogen revealed 14 antimycotic whereas 3-plants, viz., Argemone mexicana, Caesalpinia bonducella, and Casia fistula acclerated the growth of the pathogen. The maximum activity was shown by Eucalyptus globulus (88%) and Catharanthus roseus (88%) followed by Ocimum sanctum (85.50%), Azadirachta indica (84.66%), Ricinus communis (75%) and Lawsonia inermis (74.33%) while the minimum activity was exhibited by Jatropha curcas (10%).
