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Trends in Biosciences
Year : 2015, Volume : 8, Issue : 1
First page : ( 23) Last page : ( 27)
Print ISSN : 0974-8431. Online ISSN : 0976-2485.

Management of Pulse Beetle Callasobruchus analis (Fabricius) (Coleoptera: Bruchidae) Under Modified Atmospheric Condition on Stored Pigeonpea

Shivaraja D.B., Mekali Jayashree

Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, Raichur-584102, Karnataka, India

Online published on 13 January, 2016.

Abstract

Studies on the management of pulse bruchid, Callasobruchus analis (Fabricius) (Coleoptera: Bruchidae) undermodified atmospheric condition was undertaken at the College of Agriculture, Raichur, Karnataka during 2010–11. Change in gas concentration was measured and there was gradual depletion of O2 and increase of CO2. This was mainly due to respiration of insects and grains during storage. There was no change in O2 and CO2 gas concentration where there was no O2 hence there was no scope for insects as well as grains for respiration. The CO2 concentrations of 15 and 20 per cent exposed for 45 days gave cent per cent mortality of insects; no adults survived at that concentration. Further, there was no adult emergence thereby egg laying and mass loss (%) were also nil.

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Keywords

Carbon dioxide, Callasobruchus analis, Pigeonpea, nitrogen, oxygen.

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