Life Tables for the Gram pod borer, Heliothis armigera
Hubner on pea

G. G. BILAPTA and V. M. PAWAR

doi:https://doi.org/10.29321/MAJ.10.A03091

Madras Agricultural Journal

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Life Tables for the Gram pod borer, Heliothis armigera Hubner on pea

Author: G. G. BILAPTA and V. M. PAWAR,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 65, Issue: jun-jun,

DOI:https://doi.org/10.29321/MAJ.10.A03091

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Abstract

Studies on the innate capacity for increase in numbers of H. armigera were carried out at 261°C temperature on pea pods. The not reproductive rate (Ro) representing the total female births was 407.39. The population increased with a infinitesimal rato (rm) of 0.1346 and finite rate () 1.14 per female per day. A gene- ration was completed in 44.64 days. The population on reaching a stable age distri- bution comprised approximately 99 per cent immature stages.

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