In-vitro Studies of Plant Extracts against Alternaria brassicae (berk.) Sacc. of Indian Mustard (Brassica juncea (L.) Czern.&coss)

Six plant extract viz., Datura (Daturastramonium), Eucalyptus (Eucalyptus globulous), Karang (Pongamiaglabra),Neem (Azadirachtaindica), Madar (Calotropis gigantean) and Wild sage (Lantana camara) were evaluated in-vitroby poison food technique @ 3, 6, 9 and 12% concentrations against Alternariabrassicaecausing blight of mustard. The results revealed that all the plant extracts inhibited the percent growth inhibition against test fungus as compared to control. However A.indicawas found most efficacious with growth inhibition of (38.7%) followed by E. globulus(36.7%). Some extract such as P. glabraand D. stramoniumshowed moderate inhibition over control (30.9 and 21.6 respectively). Among all plant extract, C. gigantean showed least (15.3%) inhibition over control againstA. brassicae. These plant extracts can possibly be used as management of seed-borne pathogenic fungi in an eco-friendly way.