Abstract
THE effect of low pressures on the mortality of stored product insects has been investigated by Back and Cotton1 and by us2. The relative sensitivity of six stored product insects was determined and the possible use of low pressures for stored product insect control was considered. In a preliminary study on the effect of different low pressures on Sitophilus oryzae (L.)3, the highest mortality was obtained when the insects were exposed to 5 cm of mercury for 8 h, while lower pressures resulted in lower mortality. We have recorded the sensitivity of two more species to different low pressures, and compared it with that of S. oryzae.
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References
Back, E. A., and Cotton, R. T., Agric. Res., 31, 1035 (1925).
Calderon, M., Navarro, S., and Donahaye, E., J. Stored Prod. Res., 2, 135 (1965).
Calderon, M., and Navarro, S., Progress Report for the Year 1966/67, Department of Plant Protection, Jaffa, Israel.
Abbott, W. S., J. Econ. Entomol., 18, 265 (1925).
Bhambhani, H. J., Bull. Entomol. Res., 47, 749 (1955).
Sharplin, T., and Bhambhani, H. J., Canad. Entomol., 95, 352 (1963).
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CALDERON, M., NAVARRO, S. Sensitivity of Three Stored Product Insect Species exposed to Different Low Pressures. Nature 218, 190 (1968). https://doi.org/10.1038/218190a0
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DOI: https://doi.org/10.1038/218190a0
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