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Serine proteinases from three strains of Sitophilus zeamais (Coleoptera: Curculionidae), one susceptible and two resistant to insecticides--one exhibiting fitness cost (resistant cost strain) and the(More)
Insecticide resistance is usually associated with fitness costs, but such costs may be mitigated by increased energy and amino acid accumulation and mobilization as has been suggested in the maize(More)
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