Physiology of Infection by the Red-Pigmented Bacterium. Serratia marcescens Bizio in the Tobacco Caterpillar, Spodoptera litura F.

R. GOVINDARAJAN; S. JAYARAJ; and K. NARAYANAN

doi:https://doi.org/10.29321/MAJ.10.A03158

Madras Agricultural Journal

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Physiology of Infection by the Red-Pigmented Bacterium. Serratia marcescens Bizio in the Tobacco Caterpillar, Spodoptera litura F.

Author: R. GOVINDARAJAN, S. JAYARAJ, and K. NARAYANAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 64, Issue: feb-feb,

DOI:https://doi.org/10.29321/MAJ.10.A03158

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Abstract

Infection of Serratia marcescens Bizio. a red-pigmented bactorium in the tobacco caterpillar. Spodoptera litura F. caused an increase in total nitrogen. protein, DNA. RNA. carbohydrate and glycogen contents and decrease in total fat. An increase in magnesium and sodium, and decrease in calcium and potassium content were also noticed in the case of diseased caterpillars compared to healthy ones.

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