2 articles for “American bollworm”

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Research ArticleOpen accessPhrase in the titleNutritional Value of the Maize Stalk Borer and American Bollworm as Unconventional Protein SourcesA.E. Ghaly, F.N. AlkoaikProblem statement: The maize stalk borer and American bollworm were grown in an artificial media to evaluate their potential as human food sources. Approach: Both cultures were started from moths and the life cycle and culture structures were evaluated. Results: The larvae of both insects reached maximum weight and maximum length at the same time. The growth rate of the … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 8,088 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSynthetic Pyrethroid Resistance in Field Strains of Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) in Tamil Nadu, South IndiaP. Duraimurugan, A. RegupathyResistance to synthetic pyrethroids was diagnosed in the field population of American bollworm, Helicoverpa armigera (Hubner) from Coimbatore, Tamil Nadu, South India during 2003-2004 cropping seasons. A Discriminating Dose (DD) bioassay technique was used to monitor fortnightly changes in resistance at Coimbatore where number of crops served as host plants for this pest. The resistance level of various synthetic pyrethroids … …American Journal of Applied Sciences, Vol. 2, Issue 7 · 31 Jul 2005 · 6,856 accessesView PDF Cite