Full TGIF Record # 107305
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Web URL(s):http://www.bioone.org/bioone/?request=get-document&issn=0022-0493&volume=097&issue=04&page=1202
    Last checked: 11/2005
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Martínez, Ana-Mabel; Caballero, Primitivo; Villanueva, Maider; Miralles, Nagore; Martín, Ivan San; López, Estíbaliz; Williams, Trevor
Author Affiliation:Departmento de Producción Agraria, Universidad Pública de Navarra, Spain
Title:Formulation with an optical brightener does not increase probability of developing resistance to Spodoptera frugiperda Nucleopolyhedrovirus in the laboratory
Section:Biological and microbial control
Other records with the "Biological and microbial control" Section
Source:Journal of Economic Entomology. Vol. 97, No. 4, August 2004, p. 1202-1208.
Publishing Information:Lanham, MD: Entomological Society of America
# of Pages:7
Keywords:TIC Keywords: Optical analysis; Spodoptera frugiperda; Insecticide resistance; Biological insecticides; Viruses; Susceptibility; Sublethal factors
Abstract/Contents:"Stilbene-derived optical brighteners can markedly enhance the insecticidal activity of certain baculoviruses. We evaluated the influence of an optical brightener on the rate at which Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) developed resistance to nucleopolyhedrovirus (SfMNPV). Two laboratory colonies of S. frugiperda were inoculated with an LC50 of SfMNPV, in the absence or presence of the optical brightener Tinopal LPW (0.1%), over a period of two and 11 generations, in the first and second experiment, respectively. Compared with the initial susceptibility of the insect colony, resistance ratios or 11- and 12-fold were observed after two generations of treatment with SfMNPV + Tinopal LPW and SfMNPV alone. Similar, but variable degrees of resistance were observed in the long-term experiment with resistance ratios of 8- to 35-fold after seven to 11 generations. The presence of Tinopal LPW alone, or in mixtures with SfMNPV, did not cause any systematic change in insect resistance in either experiment. At the end of the long-term experiment, debilitating effects on pupal weight, adult fecundity, and longevity were observed in the insects exposed to Tinopal LPW alone or in mixtures with SfMNPV, but the pattern of such effects among treatments differed in each generation. We conclude that optical brighteners are unlikely to affect the rate of development of resistance to nucleopolyhedroviruses applied as biological insecticides."
Language:English
References:53
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martínez, A., P. Caballero, M. Villanueva, N. Miralles, I. S. Martín, E. López, et al. 2004. Formulation with an optical brightener does not increase probability of developing resistance to Spodoptera frugiperda Nucleopolyhedrovirus in the laboratory. J. Econ. Entomol. 97(4):p. 1202-1208.
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Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0022-0493&volume=097&issue=04&page=1202
    Last checked: 11/2005
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 931 .A1 J6
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