Scholars Research Library

Scholars Research Library

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Annals of Biological Research


Management of Sitophilus oryzae (L.) (Coleoptera: Curculionidae) under modified atmospheric condition on stored sorghum

Author(s): Jayashree Mekali, Naganagoud, A, Sreenivas, AG , Somasekhar and Udaykumar Nidoni

Management of Sitophilus oryzae (L.) under modified atmospheric (MA) condition on stored sorghum containing various concentrations of carbon dioxide (CO2), oxygen (O2) and nitrogen (N2) was studied. The tested MA was N2: O2: CO2- 80: 00: 20 MA1, 80: 05: 15 MA 2, 80: 10: 10 MA 3, 80: 15: 5 MA 4, and Untreated MA 5. Adult emergence and mass loss (%) was recorded after exposure periods of 45, 90, 135, 180, 225, 270 and 315 days. Fifteen and 20 per cent CO2 concentrations exposed up to 315 days resulted in the cent per cent mortality of insects. Further, there was no adult emergence thereby mass loss (%) was nil and also there was no loss in germination of grains.