Vol. 11, Issue 8 (2022)

Author(s):
S Suresh Rao, M Reddi Kumar, P Madhusudhan and B Ravindra Reddy

Abstract:
In the present investigation, efforts were made to test the bio-efficacy of different natural preparations viz; Cow urine, Cow dung, modified Panchagavya, Panchagavya, Beejamrutha and Jeevamrutha on the mycelial growth of rice grain discoloration causing pathogen Curvularia lunata using poisoned food technique. Observations on radial growth were recorded after control plate fully occupied (7 days) by the pathogen. Percent inhibition over control was calculated. Among all the natural preparations, Jeevamrutha was highly effective resulted complete inhibition (100%) at all the concentrations (1%, 2%, 3%, 4%) followed by Modified Panchagavya showed significantly complete inhibition (100%) at 4, 3 and 2 percent concentrations over the mycelial growth of the pathogen compared with other natural preparations and control.