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Economic, health, and environmental burden of the Tomato Leafminer, Tuta absoluta in tomato production in Kenya and Uganda

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  • Chepchirchir, Fridah
  • Muriithi, Beatrice Wambui
  • Langat, Jackson
  • Ndlela, Shepard
  • Mohamed, Samira Abuelgasim
  • Khamis, Fathiya

Abstract

The negative effects of pest infestation on agricultural production cannot be underestimated. There have been several efforts to control these pests, chiefly through the use of synthetic pesticides. However, the continuous use of the chemicals causes pest resistance and resurgence and presents high human and environmental risks. This study examines the economic, health, and environmental impact of Tuta absoluta, an economically important pest in tomato production, among smallholder farmers in selected counties in Kenya and Uganda. Economic Impact Quotient (EIQ) and gross margin analysis were used on data obtained from a random sample of 316 and 345 tomato growers in Kenya and Uganda respectively. The results show a significant impact of T. absoluta on tomato production in both countries. On average, the tomato growers earned a gross income of $38,123 and $11,627 in Kenya and Uganda respectively, with synthetic chemicals for the management of T. absoluta contributing 66-78% of the cost of production. The opportunity cost lost due to the forgoing pesticide for management of the pest, and instead replacing it with an integrated pest management package was valued between $8 to $646 in Kenya and $895 in Uganda, respectively, using NPV through the most pessimistic scenario, while BCR was $1 and $5 in Kenya and Uganda respectively.

Suggested Citation

  • Chepchirchir, Fridah & Muriithi, Beatrice Wambui & Langat, Jackson & Ndlela, Shepard & Mohamed, Samira Abuelgasim & Khamis, Fathiya, 2023. "Economic, health, and environmental burden of the Tomato Leafminer, Tuta absoluta in tomato production in Kenya and Uganda," 2023 Seventh AAAE/60th AEASA Conference, September 18-21, 2023, Durban, South Africa 365871, African Association of Agricultural Economists (AAAE).
    • Handle: RePEc:ags:aaae23:365871
    DOI: 10.22004/ag.econ.365871
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    References listed on IDEAS

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    1. Mwungu, Chris Miyinzi & Muriithi, Beatrice & Ngeno, Vincent & Affognon, Hippolyte & Githiomo, Caroline & Diiro, Gracious & Ekesi, Sunday, 2020. "Health and environmental effects of adopting an integrated fruit fly management strategy among mango farmers in Kenya," African Journal of Agricultural and Resource Economics, African Association of Agricultural Economists, vol. 15(01), March.
    2. Mustapha F. A. Jallow & Dawood G. Awadh & Mohammed S. Albaho & Vimala Y. Devi & Nisar Ahmad, 2017. "Monitoring of Pesticide Residues in Commonly Used Fruits and Vegetables in Kuwait," IJERPH, MDPI, vol. 14(8), pages 1-12, July.
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