Suitability of Jack Seeds as a Medium for Mass Multiplicatior of the Entomopathogenic Fungus, Cephalosporium lecanii Zimm.

G. SANTHARAM; S. EASWARAM JORTHY and S. JAYARAJ

doi:https://doi.org/10.29321/MAJ.10.A02815

Madras Agricultural Journal

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Suitability of Jack Seeds as a Medium for Mass Multiplicatior of the Entomopathogenic Fungus, Cephalosporium lecanii Zimm.

Author: G. SANTHARAM, S. EASWARAM JORTHY and S. JAYARAJ,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 67, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A02815

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Abstract

The white halo fungus. C. lecanii infecting coffee green bug. Coccus viridis (Green) could be easily cultured on jack seed medium cheaply using the by-product from the plantations. The radial growth and mycelial dry weight of the fungus were greater in this medium compared to sorghum medium. Spore production was enhanced. when jack seeds, broken into pieces of 5 mm size. were used. The mortality inflicted by the fungus in the bug did not vary when the pathogen cultured on sorghum and jack seed media was used.

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