Published Paper Details:

Turmeric (Curcuma longa L.), a rhizomatous herbaceous monocot plant prone to many diseases. Colletotrichum capsici causing severe leaf spot foliar disease cause reduction in yield due to loss of photosynthetic area. Colletotrichum leaf spot was wide spread disease making its appearance in all the localities of Nizamabad district of Telangana. Maximum percent disease incidence was recorded in kondapoor village (52.50%) and the minimum incidence was recorded in Ankapoor (36.36%). Diseased leaf samples were collected for further study to know the efficacy of two botanicals viz, Iron weed & Marijuana at different concentrations (5%, 10%, 15%) on the radial growth of Colletotrichum capsici in PDA medium. The growth of pathogen was recorded at 48hrs and 72hrs after incubation. All the concentrations of two botanicals tested shows significantly reduced the radial growth of pathogen as compared to control. Among the two botanicals highest inhibition was observed with T2-Iron weed at 5% conc. (66.8% at 48hrs & 75.2% at 72hrs) , at 10% conc. (73% at 48hrs & 80.2% at 72hrs ) and at 15% conc. (80.9 at 48hrs & 86.7% at 72hrs) followed by T1-marijuana at 5% conc. (63.3% at 48 hrs & 73.5% at 72hrs), at 10% conc. (67.2% at 48hrs & 77.9% at 72hrs) and at 15% conc. (76.6% at 48hrs & 84.3% at 72hrs) after incubation respectively.