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Evaluation of Hyptis spicigera leaf extracts against cowpea weevil (Callosobruchus maculatus) in stored Bambara groundnut (Vigna subterranea L.)

Abstract Laboratory study was conducted at the University for Development Studies, Tamale, Ghana in 2016 to evaluate the potency of different concentrations of aqueous leaf extracts (ALE) from Hyptis spicigera… Click to show full abstract

Abstract Laboratory study was conducted at the University for Development Studies, Tamale, Ghana in 2016 to evaluate the potency of different concentrations of aqueous leaf extracts (ALE) from Hyptis spicigera (Lam.) against Callosobruchus maculatus (F.) infestation in Bambara groundnut seeds. Two aqueous extracts concentrations were prepared at three temperatures. The treatments were; control (sterilized untreated seed), 10% ALE [w\v] applied at 25 °C, 10% ALE applied at 50 °C, 10% ALE applied at 100 °C, 20% ALE applied at 25 °C, 20% ALE applied at 50 °C and 20% ALE applied at 100 °C. The results showed that, application of 20% ALE at 100 °C recorded a significant (p

Keywords: applied ale; hyptis spicigera; bambara groundnut; ale applied; leaf extracts; callosobruchus maculatus

Journal Title: Journal of the Saudi Society of Agricultural Sciences
Year Published: 2020

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