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Anis, J., Primila, K.S., Nisha, V.A., Soory, A.R. and Sarika, M.S. (2010) Safety of a Indica Products to Tetragnqathid Spiders in Rice Ecosystem. Journal & Biopesticides, 3, 88-102.

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• TITLE: Efficacy of Azadirachta indica Leaf Powder and Ethanol Extract on Adult Periplanata americana under Laboratory Condition

  AUTHORS: Ukoroije Boate Rosemary, Abowei Jasper Freeborn Nestor, Otayoor Richard Abalis

  KEYWORDS: Neem Leaf Powder/Ethanol Extract, Cockroach, Laboratory Condition

  JOURNAL NAME: Open Access Library Journal, Vol.5 No.4, April 28, 2018

  ABSTRACT: The efficacy of Azadirachta indica leaf powder and ethanol extract on adult Periplanata americana under laboratory condition to control the nuisance of the pest. The mean mortality count of adultPeriplanata americana was the highest (92) in 50 g leaf powder and the lowest (2) in the control. The result also showed that the highest mortality (125) was recorded in 96 hr exposure time while the lowest (28) was recorded in 24 h exposure time. The Analysis of Variance (ANOVA) for the mean mortality in the experiment and the control indicated that there was significant difference (P-value = 0.05) in the mortality with increase in grams and exposure time of leaf powder and the control at 5% level of significance the mean mortality count of adult P. americana was the highest (108) in 50 ml ethanoic extract and the lowest (3) in the control. The result also showed that the highest mortality (144) was recorded in 96 hr exposure time while the lowest (66) was recorded in 24 h exposure time. The Analysis of Variance (ANOVA) for the mean mortality in the experiment and the control indicates that there is significant difference (P-value = 0.05) in the mortality with increase in grams and exposure time of leaf powder and the control at 5% level of significance. The efficacy of Azadirachta indica Ethanol extract is more than the leaf powder. There was significant difference in mortality in both increase in concentration levels and exposure time at 5% level of significance in both leaf powder and ethanol extract.