عنوان مقاله [English]
The economical loss from stored product pests and their resistance to phosphine and methyl bromide, necessitate replacing these chemicals with other compounds. The toxicity of ozone was evaluated on two important stored product insects, Sitophilus oryzae L. and Oryzaephilus surinamensis (L.). The insects were exposed to ozone in separate date, wheat and rice storehouses at the depths of 30, 40, 45 and 100 cm. The mortality was determined after 24 h of exposure. The results demonstrated a lower mortality caused by ozone in date compared to wheat and rice on S. oryzae and O. surinamensis. Treatments with ozone under different depths led to different levels of mortalities, but at 100 cm, mortality for both species were significant. Calculated omega square (w2) values showed that this criterion (w2) for the depth of the foodstuff (0.05) is more than the corresponding value (0.004). Therefore, depth of the foodstuff was more effective than the type of foodstuff on the pests’ mortalities. The relative median potency tests revealed higher LC50 values of ozone for S. oryzae and O. surinamensis in date comparing to the LC50values for wheat and rice at a depth of 100 cm.
Cassanova, J. L. (2002) An overview of the scientific aspect of ozone depletion and their impact on environment. pp. 23-27 in Batchhelor, T. & Bolivar, J. (Eds) Proceeding of International Conference on Alternatives to Methyl Bromide. 432 pp. Office for Official Publications of the European Communities.
Harein, P. k. & Meronuch, R. (1995) Stored grain losses to insects and molds and importance of proper grain management. pp. 29-31 in Krischik, V., Cuperus, G. & Galliart, D. (Eds) Stored product management. E-912, 242 pp. Division of Agricultural Science and Natural Resources, Oklahoma State University.
Isikber, A. A. & Oztekin, S. (2009) Comparison of susceptibility of two stored-product insects, Ephestia kuehniella Zeller and Tribolium confusum du Val to gaseous ozone. Journal of Stored Products Research 45, 159-164.
Kells, S., Mason, L. J., Maier, D. E. & Woloshuk, C. P. (2001) Efficacy and fumigation characteristics of ozone in stored maize. Journal of Stored Products Research 37, 371-382.
Kim, J. G., Yousef, A. E. & Dave, S. (1999) Application of ozone for enhancing the microbiological safety and quality of foods: a review. Journal of Food Protection 62, 1071-1087.
Leesch, J. G. (2003) The mortality of stored-product insects following exposure to gaseous ozone at high concentrations. pp. 827-831 in Credland, P., Armitage, D. M., Bell, C. H., Cogan, P. M. & Highley, E. (Eds) Advances in Stored Product Protection: Proceedings of the 8th International Working Conference on Stored-Product Protection. 1071 pp. CAB International, Oxon, UK.
Maier, D. E., Hulasare, R., Campabadal, C. A., Woloshuk, C. P. & Mason, L. (2006) Ozonation as a non-chemical stored product protection technology. Alternative Methods to Chemical Control: Proceedings of the 9th International Working Conference on Stored-Product Protection, pp. 773-777.
Mason, L. J. & Strait, C. A. (1998) Stored product integrated pest management with extreme temperatures. Available from: http://cipm.ncsu.Edu/ipmtext/chap6.pdf (accessed 02 April 2011).
Mendez, F., Maier, D. E., Mason, L. J. & Woloshuk, C. P. (2003) Penetration of ozone into columns of stored grains and effects on chemical composition and processing performance. Journal of Stored Products Research 39, 33-44.
Navarro, S. (2006) Modified atmospheres for the control of stored-product insects and mites. pp. 105-145 in Heaps, J. W. (Ed.) Insect management for food storage and processing.2nd ed. 231 pp. American Association of Cereal Chemists, ACC International, St. Paul, Minnesota, U.S.A.
Padin, S., Dal Bello, G. & Fabrizio, M. (2002) Grain loss closed by Tribolium castaneum, Sitophilus oryzae and Acanthoscelides obtectus in stored durum wheat and beans treated with Beauveria bassiana. Journal of Stored Products Research 38, 69-74.
Rajendran, S. & Muralidharan, N. (2005) Effectiveness of allyl acetate as a fumigant against five stored grain beetle pests. Pest Management Science 61, 97-101.
Sekhon, R. K., Schilling, M. W., Phillips, T. W., Aikins, R. M. J., Hasan, M. M., Nannapaneni, R. & Mikel, W. B. (2010) Effects of carbon dioxide and ozone treatments on the volatile composition and sensory quality of dry-cured ham. Journal of Food Science 75, 452-458.
Snedecor, G. W. & Cochran, W. G. (1989) Statistical methods. 8th ed. 503 pp. IOWA State University Press.
Tunçbilek, S. A. (1997) Susceptibility of the saw-toothed grain beetle, Oryzaephilus surinamensis (L.), to gamma radiation. Journal of Stored Products Research 33, 331-334.