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Abstract                 Volume:9  Issue-5  Year-2021          Original Research Articles


Online ISSN : 2347 - 3215
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcret@gmail.com

Comparative Efficacy of Fennel Seed and Koseret Leaf Powders in Management of Adult Maize Weevil (Sitophilus zeamais motsch.) in Stored Maize Grains
Mulugeta Desta*, Yenewud Tenaw, Zekeria Yusuf and Sewunet Mengistu
Department of Natural and Computational Sciences, School of Biological Sciences and Biotechnology, Haramaya University, Ethiopia
*Corresponding author
Abstract:

The use of plant extracts as pest control is beneficial over synthetic pestidides because of their easily degradable, effective and ensure safety of the consumers and the environment. This study was aimed to examine the effect of ground funnel seed and koseret leaf in control of maize weevil and prolonged storage of the powders on their insecticidal activity in stored maize grains. A factorial experiment was laid in a complete randomized design replicated twice. The treatments have shown high repellence against maize weevil at all concentration of treatments. Mean separation for maize weevil mortality rate at different concentrations of fennel seed, koseret leaf and their combination powders resulted with no mortality. The highest mean mortality rate was recorded for fennel seed. Maize weevil progeny emergence rate during extended duration of maize storage as treated with fennel seed, koseret leaf, and their combination powders showed the highest progeny emergence rate in control group in all treatments. This study revealed insect repellents and pesticidal activity of fennel seed, koseret leaf powders and their combinations. Characterizing their effect in control of maize weevil and prolonged storage of the powders on their insecticidal action is crucial in protection of grains at a minimum cost.

Keywords: biopesticidal activity, botanical extracts, insect repellents, progeny emergence, weevil mortality rate, synthetic pesticides.
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How to cite this article:

Mulugeta Desta, Yenewud Tenaw, Zekeria Yusuf and Sewunet Mengistu. 2021. Comparative Efficacy of Fennel Seed and Koseret Leaf Powders in Management of Adult Maize Weevil (Sitophilus zeamais motsch.) in Stored Maize Grains.Int.J.Curr.Res.Aca.Rev. 9(5): 17-23
doi: https://doi.org/10.20546/ijcrar.2021.905.003