Document Type: Original Article

Authors

1 Department of Entomology, school of agriculture science, Mohaghegh Ardabili University, Ardabil, Iran

2 Ph.D Student in Agro-ecology, Department of Crop Production and Plant breeding, School of Agriculture, Zabol University, Zabol, Iran

3 Young Researchers Club, Boroujed branch, Islamic Azad University, Boroujerd, Iran

Abstract

The European corn borer, Ostrinia nubilalis (Hübner), is an important insect pest of corn, Zea mays L., crop in Moghan region. In field experiments, the density of eggs and larvae of O.nubilalis and percentage of eggs and larvae parasitisms were studied on four corn hybrids NS704 (commercial cultivar), NS770, NS640 and MV524 (cultivars with high yield). Furthermore, in this study, the predators and parasitoids of the European corn borer were collected and identified on four corn hybrids in an experimental field. The seeds of corn hybrids were planted in an experimental field, approximately 700 m2. This experiment was conducted in a completely randomized block design with four replications. Samplings were conducted from the V6 (six leaf collar) until the R3 (milk) growth stages of corn. On each sample date, five plants/hybrid from each of the four replication were selected randomly and number of eggs (parasitized and non- parasitized) of O. nubilalis per plant was recorded using a 20X hand lens, then the stalkof these plants were dissected and number of larvae, larval mines and parasitized larvae per plant were recorded. The results showed that, the lowest density of eggs, larvae and larval mines were observed on NS704. While, the percentage of eggs and larvae of this month on NS704 were higher than on the other three tested hybrids . Therefore, it was concluded that the NS704 hybrid was less suitable to the European corn borer among the tested corn hybrids and has the potential to be used in the integrated management of O. nubilalis. Furthermore, in this study 12 predators’ species and 2 parasitoid species were collected and identified from experimental field. The predator bug, Orius niger Wolff, and parasitoid wasps, Trichogramma brassicae Bezd and Habrobracon hebetor (Say), had higher abundance rate on four tested hybrids.

Keywords

Azimi, S.M., Farnia, A., Shaban, M. and Lak, M. (2013). Effect of different biofertilizers on Seed yield of barley (Hurdeom vulgar L.), Bahman cultivar. International journal of Advanced Biological and Biomedical Research. Volume 1, Issue 5: 538-546.

Barlow, V. M., T. Kuhar, J. S. III, and R. J. Cordero. (2004). Evaluation of foliar insecticides for control of lepidopterous pests in peppers, 2003. Arthrop. Manag. Tests 29.

Beyranvand, H., Farnia, A., Nakhjavan, SH. and Shaban, M. (2013). Response of yield and yield components of maize (Zea mayz L.) to different bio fertilizers. International journal of Advanced Biological and Biomedical Research. Volume 1, Issue 9: 1068-1077.

Bohn, M., R. C. Kreps, D. Klein, and A. E. Melchinger, 1998: Wann lohnt die Zünslerbekämpfung? Mais 26, 150-152.

borer resistance. Phytopath. 87, 1071-1077.Harmon, J. P., J. A. White, and D. A. Andow. 2003. Oviposition behavior of Ostrinia nubilalis (Lepidoptera: Crambidae) in response to potential intra- and interspecific interactions. Popul. Ecol. 32: 334 - 339.

Capinera, J. L. 2001. Handbook of Vegetable Pests. Academic Press, New York.

Franz, J. M., H. Bogensch, S. A. Hassan, P. Huang, E. Naton, H. Suter, and G. Viggiani. 1980. Results of a joint pesticide test programme by the working group: Pesticides and beneficial arthropods. Entomophaga231 - 236.

Gingras, D. and G. Boivin. 2002. Effect of plant structure, host density and foraging duration on host finding by Trichogramma evanescens (Hymenoptera: Trichogrammatidae). Environ. Entomol. 31: 1153-1157.

Hazzard, R. V. and G. M. Ghidiu. 2001. European corn borer management. P. 67-76 In T. J. Boucher and R. A. Ashley (eds.), Northeast Pepper Integrated Pest Management (IPM) Manual. Univ. Conn. Coop. Ext., Stoors, CT.

Hoffmann, G. M. und H. Schmutterer, 1999: Parasitäre Krankheiten und Schädlinge an landwirtschaftlichen Kulturpflanzen. Verlag Eugen Ulmer, Stuttgart.

Hudon, M., and E. J. LeRoux, 1986: Biology and population dynamics of the European corn borer (Ostrinia nubilalis) with special reference to sweet corn in Quebec. I. Systematics, morphology, geographical distribution, host plants, economic importance. Phytoprotection 67: 39-54.

Jennings, C. W., W. A. Russell, and W. D. Guthrie, 1974: Genetics of resistance in maize to first- and second-brood European corn borer. Crop Sci. 14, 394-398.

Kuhar, T. P., M. G. Wright, M. P. Hoffmann, and S. A. Chenus. 2002. Life table studies of European corn borer (Lepidoptera: Crambidae) with and without inoculative releases of Trichogramma ostriniae (Hymenoptera: Trichogrammatidae). Pop. Ecol. 31: 482 - 489.

Langenbruch, G. A,. and D. Szewczyk, 1995: Maiszünsler (Ostrinia nubilalis) an Mais im Süden Nordrhein-Westfalens. Nachrichtenblatt Deutsch. Pflanzenschutzd. 47, 326.

Lew, H., A. Adler, and E. Edinger, 1991: Moniliformin and the European corn borer (Ostrinia nubilalis). Mycotox. Res. 7, 71-76.

Mason, C. E., M. E. rice, D. D. Calvin, J. W. V. Duyn, W. B. Showers, W. D. Hutchinson, J. F. Witkowski, R. A. Higgins, D. W. Onstad, and G. P. Dively. 1996. European corn borer: ecology and management, North Central Regional Extension Publication #327. Iowa State University, Ames. Frye, R. D. 1972. Evaluation of insect predation on European corn borer in North Dakota. Environ. Entomol. 1: 535-536.

Munkvold, G. P., R. L. Hellmich, and L. G. Rice, 1999: Comparison of fumonisin concentration in kernels of transgenic Bt maize hybrids and nontransgenic hybrids. Plant Dis. 83, 130-138.

Munkvold, G. P., R. L. Hellmich, and W. B. Showers, 1997: Reduced Fusarium ear rot and symptomless infection in kernels of maize genetically engineered for European corn

Nault, B. A. and G. G. Kennedy. 1996. Timing insecticide applications for managing European corn borer (Lepidoptera: Pyralidae) infestations in potato. Crop Prot. 15: 465-471.

Noldus, L.P.J. 1989. Semiochemicals, foraging behaviour and quality of entomophagous insects for biological control. 108: 425-451.

Ross, S. E. and K. R. Ostlie. 1990. Dispersal and survival of early instars of European corn borer (Lepidoptera: Pyralidae) in field corn. J. Econ. Entomol. 83: 831-836.

Shaban, M. (2013a). Application of seed equilibrium moisture curves in agro physics. International journal of Advanced Biological and Biomedical Research. Volume 1, Issue 9: 885-898.

Shaban, M. (2013b). Biochemical aspects of protein changes in seed physiology and germination. International journal of Advanced Biological and Biomedical Research. Volume 1, Issue 8: 885-898.

Showers, W. B., G. L. Reed, J. F. Robinson, and M. B. Derozari. 1976. Flight and sexual activity of the European corn borer. Environ. Entomol. 5: 1099 - 1104.

Smith, S. M. 1996. Biologycal contqol with Trichogramma, dvances, successes, and potential of their use. Annu. Rev. Entomol 41: 375 - 406.

Thorpe, K. W. 1985. Effects of height and habitat type on egg parasitism by Trichogramma minutum and T. pretiosum (Hymenoptera: Trichogrammatidae). Agric. Ecosys. Environ. 12: 117-126.

Wang B, D. N. Ferro, and D. W. Hosmer. 1997. Importance of plant size, distribution of egg masses, and weather conditions on egg parasitism of the European corn borer, Ostrinia nubilalis by Trichogramma ostriniae in sweet corn. Entomol. Exp. Appl. 83: 337-345.