Studies on the efficacy of silicosec against Oryzaephilus surinamensis L. and Tribolium castaneum Herbst using two bioassay methods
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Department of Plant Protection, Agricultural Faculty, Urmia University, Urmia, West Azarbaijan, Iran, P.O. Box 57135-165
Ghazaleh Mohitazar
Department of Plant Protection, Agricultural Faculty, Urmia University, Urmia, West Azarbaijan, Iran, P.O. Box 57135-165
Journal of Plant Protection Research 2009;49(3):330–334
Laboratory experiments were conducted to determine the effect of Silicosec by using contact and oral bioassay methods on survival of 1–7 days old adults of Oryzaeohilus surinamensis (L.) and Tribolium castaneum (Herbst) at 27±2°C and 65±5% RH. For contact method adult of these species were exposed to five doses of Silicosec for 3 days on plastic Petri dishes while in the case of oral bioassay technique the species were exposed to maize treated with five doses of Silicosec in small glass vials for 10 days. After exposure the initial mortality was recorded. For O. surinamensis in oral and contact methods 99% mortality was achieved at 8 333 ppm after 10 days and 165 ppm after 3 days, respectively, for T. castaneum 75% mortality achieved at 25 000 ppm after 10 days and 165 ppm after 3 days in the same order. For the oral method LC50 values for O. surinamensis and T. castaneum were 50 and 133 ppm, respectively after 10 days, while for the contact method these criteria were 8 and 57 ppm, respectively after 3 days. The results revealed that Silicosec with contact method could have more deleterious effect compared to the other method, and O. surinamensis was more susceptible to Silicosec than T. castaneum in either bioassay methods
The authors have declared that no conflict of interests exist.
Aldryhim Y.N. 1993. Combination of classes of wheat and environmental actors affecting the efficacy of amorphous silica dust, Drycide, against Rhyzopertha dominica (F). J. Stored Prod. Res. 29: 271–275.
Athanassiou C.G., Vayias B.J., Dimizasa C.B., Kavallieratos N.G., Papagregoriouc A. S., Buchelosa C.Th. 2003. Insecticidal efficacy of diatomaceous earth against Sitophilus oryzae(L.) (Coleoptera: Curculionidae) and Tribolum confosum du Val (Coleoptera: Tenebrionidae) on stored wheat: influence of dose rate, temperature and exposure interval. J. Stored Prod. Res. 41: 45–55.
Athanassiou C.G., Kavallieratos N.G. 2005. Insecticidal effect and adherence of PyriSec in different grain commodities. Crop Prot. 27: 703–710.
Athanassiou C.G., Korunic Z. 2007. Evaluation of two new diatomaceous earth formulations enhanced withabamectin and bitterbarkomycin against four stored- grain beetle species. J. Stored. Prod. Res. 43: 468–473.
Arthur F.H. 2000a. Toxicity of diatomaceous earth to red flour beetles (Coleoptera: Tenebrionidae): effect of temperature and relative humidity. J. Econ. Entomol. 93: 526–532.
Arthur F.H. 2000b. Impact of food source on survival of red flour beetles (Coleoptera: Tenebrionidae) exposed to diatomaceous earth. J. Econ. Entomol. 93: 1347–1356.
Chabang Y., Arthur F.H., Wilde G.E., Thorne J.E. 2007. Efficacy of diatomaceous earth to control Rhyzoperta dominica(F.) (Coleoptera: Bostrichidae) in rough rice: Impact of temperature and relative humidity. J. Crop Prot. 29: 923–929.
Chintzoglou G., C.G. Athanassiou and F.H. Arthur. 2008. Insecticide effect of Spinosad dust, in combination with diatomaceous earth against two stored grain beetle species. J. Stored Prod. Res. 44: 347–353.
Demissie G., Tefera T., Abraham T. 2008.Efficacy of Silicosec, filter cake and wood ash against the maize weevil Sitophilus zeamais M. (Coleoptera: Curculionidae) on three maize genotypes. J. Stored Prod. Res. Available online http: // www. Sciencedirect.com.
Fields P.G, Korunic Z. 2000. The effect of grain moisture content and temperature on the efficacy of diatomaceous earths from different geographical locations against stored-product beetles. J. Stored Prod. Res. 36: 1–13.
Gerber B.S., Finn K.N. 2005. Using SPSS for windows, Data analysis and grafics. Springer New York, 180 pp.
Korunic Z., Fields P.G., Kovacs M.I.P., Noll J.S., Loukow O.M., Demianyk C.J., Shibley K.J. 1996. The effect of diatoma ceous earth on grain quality. Posthar. Biol. Technol. 9: 327–383.
Korunic, Z. 1998. Diatomaceous earths, a group of natural insecticides. J. Stored Prod. Res. 34: 87–97.Moore D., Lord J.C., Smith S.M. 2000. Pathogens. p. 193–227. In: ′′Alternatives to Pesticides in Store-Product IPM′′ (B. Subramanyam, D.W. Hagstrum, eds.). Kluwer Academic Publishers, Boston, MA.
Rigaux M., Haubruge E., Fields P.G. 2001. Mechanisms for tolerance to diatomaceous earth between strains of Tribolium castaneum. Entomol. Exp. Appl. 101: 33–39.
SAS. 1999. SAS online doc®, version8. SAS Institute, Cary, Nc.
Subramanyam Bh., Roesli R. 2000. Inert dust. p. 321–379. In ′′Alternatives to Pesticides in Store-Product IPM′′ (B. Subramanyam, D.W. Hagstrum, eds.). Kluwer Academic Publishers, Boston, MA.
Subramanyam Bh., Hagstrum D.W. 1995. Resistance measurement and management. p. 331–398. In: ′′Integrated Mnagement of Insect in Stored Products′′ (B. Subramanyam, D.W. Hagstrum, eds.). Marcel Decker, New York. Vardeman E.A., Arthur F.A., Nechols J.R., Cambell J.F. 2007. Efficacy of surface application with diatomaceous earth to control Rhyzoperta± dominica(F.) (Coleoptera: Bostrichidae)±in stored wheat. J. Stored Prod. Res. 43: 333–341.
Vayias B.J., Athanassiou C.G. 2004. Factors affecting efficacy of the diatomaceous earth formulation Silicosec against adults and larvae of the confused beetle TriboliumConfusum Du Val (Coleoptera: Tenebrionidae). Crop Prot. 23: 563–573.
Vayias B.J., Athanassiou C.G., Kavallieratos N.G., Buchelos C.T. 2006. Susceptibility of different European populations of Tribolium confusum(Coleoptera: Tenebrionidae) to five diatomaceous earth formulations. J. Econ. Entomol. 99: 1899–1904.