Within-Plant Distribution of European Corn Borer, Ostrinia nubilalis Hübner, Egg Masses on Bell Pepper

Barlow, Vonny M.; Kuhar, Thomas P.

doi:10.18474/0749-8004-39.4.670

Cited by 2 publications

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“…In different areas, O. nubilalis has been reported as one of the most important pests of sweet pepper, Capsicum annuum (Frantz et al. ; Barlow and Kuhar ). It is nowadays controlled with chemical pesticides and with biological control agents such as Trichogramma ostriniae (Chapman et al.…”

Section: Introductionmentioning

confidence: 99%

“…O. nubilalis is not only the major pest of corn, but it has been described as a polyphagous pest because it attacks over 200 herbaceous plant species including vegetables, weeds and flowers with stems large enough for the larvae to enter (Hodgson 1928;Hudon and LeRoux 1986). In different areas, O. nubilalis has been reported as one of the most important pests of sweet pepper, Capsicum annuum (Frantz et al 2004;Barlow and Kuhar 2009). It is nowadays controlled with chemical pesticides and with biological control agents such as Trichogramma ostriniae (Chapman et al 2009), whereas the potential of the use of Bt formulations in the control of infestations in sweet pepper cultivations had been assayed in only a few studies (Maini and Burgio 1989).…”

Section: Introductionmentioning

confidence: 99%

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Susceptibility to Cry proteins of a Spanish Ostrinia nubilalis glasshouse population repeatedly sprayed with Bacillus thuringiensis formulations

Crava

Bel

Ferré

et al. 2013

J Applied Entomology

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Ostrinia nubilalis Hübner (Lepidoptera: Crambidae), a major pest of corn in temperate climates, can feed on other crops due to its polyphagous behaviour. In particular, this species became a serious problem in some sweet pepper commercial glasshouses in south‐eastern Spain repeatedly sprayed with Bacillus thuringiensis (Bt) products to control Spodoptera exigua Hübner (Lepidoptera: Noctuidae). The susceptibility of an O. nubilalis colony established from individuals collected in these Bt‐sprayed glasshouses was compared with a reference laboratory colony. Differences in susceptibility between the two colonies to Cry1Aa, Cry1Ab, Cry1Ac and Cry2Aa proteins were found. However, our results indicate that the O. nubilalis control failure in the glasshouse was not due to selection for resistance. Intraspecific variation probably accounts for differences between the glasshouse‐derived population and the laboratory strain. This conclusion is based on several lines of evidence: the glasshouse‐derived population retained its susceptibility to a Bt standard product and to most of its individual components (both in the form of protoxins and in the form of activated toxins), and it did not respond to laboratory selection with high doses of Cry1Ab.

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Section: Introductionmentioning

confidence: 99%