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An Evaluation of the Efficacy of Botanical Pesticides for Fall Armyworm Control in Maize Production

DOI: 10.4236/oalib.1106746, PP. 1-12

Subject Areas: Agricultural Science, Plant Science

Keywords: Spodoptera frugiperda, Fall Armyworm, Infestation, Efficacy, Maize, Botanicals

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Abstract

Since the report of the Fall armyworm (FAW) (Spodoptera frugiperda) in 2016 in Africa, the FAW has widely spread in Zambia, causing significant damage to maize, rice sorghum and other crops. The botanical extracts from Neem leaves, Garlic cloves and Chinaberry leaves efficacies were compared to Cypermethrin insecticide for FAW control in maize. A Randomized Complete Block Design (RCBD) with four replications and Seedco SC 403 maize variety were used as a test crop. Ten FAW larvae were artificially introduced into the maize two weeks after planting followed by an application of insecticides for seven weeks after 20% infestation. Analysis of variance showed a significant difference (p < 0.01) in maize yields between the controls and all the treatments but not among the four treatments. The study also showed that Neem treatment had the highest maize yield of 4.9 t ha-1 followed by Cypermethrin with 4.7 t ha-1, Chinaberry and Garlic with 4.3 t ha-1 corresponding to the effectiveness of 67%, 65%, 60% and 60% respectively in relation to the potential yield. It was concluded that the three botanicals’ extracts were as effective as cypermethrin as a control measure for the FAW and may be an alternative method for FAW control among small scale farmers in Zambia.

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Siazemo, M. K. and Simfukwe, P. (2020). An Evaluation of the Efficacy of Botanical Pesticides for Fall Armyworm Control in Maize Production. Open Access Library Journal, 7, e6746. doi: http://dx.doi.org/10.4236/oalib.1106746.

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