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Evaluating Amaranthus spp. and Solanum nigrumas Trap Crops for Managing Meloidogyne incognita in Okra (Abelmoschus esculentus) Cultivation

Author

Listed:
  • Ziada Salum Mtakimwa

    (Egerton University, Kenya)

  • Daniel Otaye

    (Egerton University, Kenya)

  • Japheth Muthamia

    (Egerton University, Kenya)

  • Samwel Masau

    (Egerton University, Kenya)

Abstract

This study investigate the use of intercropping with trap crops of crops- Amaranthus spp. and black nightshadeto mitigate the impact of root-knot nematode (Meloidogyne incognita) on okra (Abelmoschus esculentus) production. Root-knot nematodes cause significant reductions in okra growth and yield, posing a challenge for sustainable cultivation. The objective of this study was to evaluate the effects of inoculation and intercropping on plant growth, fruit yield, and nematode suppression. A controlled field experiment monitored growth parameters (plant height and stem girth), fruit number, fruit weight, and fruit size over eight weeks across treatments: inoculated okra alone, inoculated okra intercropped with Amaranthus, black nightshade, or both. Statistical analyses, including ANOVA and least significant difference (LSD) tests, were applied to assess the treatment effects. The results showed that okra intercropped with both Amaranthus and black nightshade achieved the highest fruit numbers (up to 12.7 fruits/plot by week 7) and fruit weights (approximately 67.6 g/plot), significantly (p

Suggested Citation

  • Ziada Salum Mtakimwa & Daniel Otaye & Japheth Muthamia & Samwel Masau, 2025. "Evaluating Amaranthus spp. and Solanum nigrumas Trap Crops for Managing Meloidogyne incognita in Okra (Abelmoschus esculentus) Cultivation," European Journal of Agriculture and Food Sciences, European Open Science, vol. 7(6), pages 24-32, November.
    • Handle: RePEc:epw:ejfood:v:7:y:2025:i:6:id:20965
    DOI: 10.24018/ejfood.2025.7.6.965
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