Background and Objective: Anthracnose caused by Colletotrichum gloeosporioides (Penz. Sacc.) is one of the most important diseases of Mangifera indica L. Recent studies have focused on the development of environmentally safe, long-lasting and effective bio-control methods for the management of anthracnose. The objective of this study was to design appropriate control measure against C. gloeosporioides by using selected homeopathic medicines of different potencies and concentrations. Materials and Methods: Seventy two homoeopathic medicines each with 5 Centesimal Hahnemannian potencies containing anti-fungal properties were selected. Food poisoning method was adopted and data were collected on percentage of inhibition. The experiment was laid out in Completely Randomized Design (CRD) with 5 replications. Results: Arsenicum album (64.62) and Q potency (16.52) was significantly (p<0.0001) effective against C. gloeosporioides followed by the order of Arsenicum album < Selenium < Nux vomica < Belladonna < Calcarea fluorica and Q<3X<200X<30X<1 M, respectively and the rest were below. A checking of 9 potencies of Arsenicum album Q potency significantly inhibited (82.93) at 3000 ppm individually and followed the order of Q<3X<6X<30X<50 M< 1 M<200 M Arsenicum album Q potency significantly inhibited (96.40) at 10000 ppm concentration. Treating with A. album Q at 10000 ppm on the 3 varieties of mango, himsagar (18.3) showed the significant inhibition of percent disease incidence over control and followed the order of Himsagar Conclusion: Arsenicum album Q (at 10000 ppm) significantly inhibited (96.40) the growth of C. gloeosporioides .
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