Author(s):

KD Tekam, NM Kelwatkar and SB Das

Abstract: The present investigation was carried out during Rabi 2013-2014 at the Entomology laboratory, College of Agriculture JNKVV, Jabalpur at Completely Randomized Design (CRD) to select a suitable and economic medium for mass multiplication of Metarhizium anisopliae. The experiment on mass production studies was undertaken on fifteen substrates for determining a suitable medium for growth and sporulation. The observations were recorded on 10^th, 20^th and 30^th days after inoculation. Among the different substrates evaluated highest conidial count (12.68 × 10⁷ spores/ml) was observed on cowpea media followed by pea (11.84 × 10⁷ spores/ml). It was also clear that M. anisopliae is able to grow on a variety of cheap and easily available grains; hence they can be used for the mass multiplication of the fungus and produced in bulk and can be made available at the doorstep of the farmers.

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