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Frequency of alleles conferring resistance to Bt maize in French and US corn belt populations of the European corn borer, Ostrinia nubilalis
TLDR
It is suggested that resistance is probably rare enough in France and the northern US corn belt for the high-dose plus refuge strategy to delay resistance to Bt maize.
Modeling the Development of Resistance by Stalk-Boring Lepidoptera (Crambidae) in Areas with Irrigated Transgenic Corn
TLDR
The population dynamics and population genetics of two bivoltine species of corn borers are modeled in a hypothetical region of irrigated transgenic and nontransgenic corn to examine the potential impact of behavior on resistance development.
Frequency of resistance to Bacillus thuringiensis toxin Cry1Ab in southern United States Corn Belt population of European corn borer (Lepidoptera: Crambidae).
TLDR
The results suggest the frequency of resistance alleles is low enough that the high-dose refuge resistance management strategy may be effective for delaying resistance evolution in O. nubilalis to Bt corn in the southern Corn Belt.
Modeling the development of resistance by stalk-boring lepidopteran insects (Crambidae) in areas with transgenic corn and frequent insecticide use.
TLDR
The population dynamics and population genetics of two bivoltine species of corn borers are simulated in a hypothetical region of irrigated transgenic and nontransgenic corn where insecticide was applied only to the nontransogenic refuge crop.
Monitoring for Pyrethroid Resistance in Bollworm (Helicoverpa zea) Populations in Texas: Trends from 2003-2005
TLDR
Assessment of the susceptibility of the bollworm, Helicoverpa zea (Boddie), to the pyrethroid cypermethrin in the primary crop production areas of Texas found the most resistant populations were from Nueces, Uvalde, and Williamson counties while the most susceptible population were from Ellis, Fisher and Mitchell, Hockley, and Swisher counties.
Frequency of Resistance to Bacillus thuringiensis Toxin Cry1Ab in Southern United States Corn Belt Population of European Corn Borer (Lepidoptera: Crambidae)
TLDR
The results suggest the frequency of resistance alleles is low enough that the high-dose refuge resistance management strategy may be effective for delaying resistance evolution in O. nubilalis to Bt corn in the southern Corn Belt.
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