Standardization of methods of mass production and application of Gibbago trianthemae on Trianthema portulacastrum

Abstract

Thirteen different formulation consisting of G. trianthemae spores, inert carrier, Tween 20 and oils (groundnut, mustard and Paraffin oil) were evaluated for disease development on pots -grown plants of T. portulacastrum in green house. The Maximum per cent disease index (PDI), the least fresh weight and dry weight were found 100 per cent, 2.8 g and 0.56 g respectively with G. trianthemae spores + Kaolin + Parafine oil + Water, followed by that having G. trianthemae spores bentonite + Parafine oil + Water formulation.