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Field efficacy of neem (Azadirachta indica A. Juss) for managing soil arthropods and Cercospora leaf spots damage for increased yield in peanut

Author

Listed:
  • Mumuni Abudulai

    (CSIR-Savanna Agricultural Research Institute, Tamale, Ghana)

  • Abdulai B. Salifu

    (CSIR-Savanna Agricultural Research Institute, Tamale, Ghana)

  • Danial Opare-Atakora

    (CSIR-Savanna Agricultural Research Institute, Tamale, Ghana)

  • Mohammed Haruna

    (CSIR-Savanna Agricultural Research Institute, Tamale, Ghana)

  • Inusah I.Y. Baba

    (CSIR-Savanna Agricultural Research Institute, Tamale, Ghana)

  • Israel K. Dzomeku

    (University for Development Studies, Tamale, Ghana)

  • Rick L. Brandenburg

    (North Carolina State University, Raleigh, USA)

  • David L. Jordan

    (North Carolina State University, Raleigh, USA)

Abstract

Field efficacy of neem (Azadirachta indica A. Juss) for managing soil arthropods and Cercospora leaf spots damage to peanut was studied in Ghana from 2008 to 2010. Treatments consisted of neem kernel water extract (NKWE) and neem kernel powder (NKP) applied separately as soil drench at the rates of 10.5 and 21.0 kg/ha at either planting or pegging. Untreated control and chlorpyrifos treatment at pegging were included as checks. Results showed generally that the neem products at the concentrations tested were efficacious and comparable to chlorpyrifos in lowering populations of soil arthropods and severity of leaf spot diseases, leaf defoliation, and scarified and bored pod damage, resulting in increased pod yield in 2008 and 2009.

Suggested Citation

  • Mumuni Abudulai & Abdulai B. Salifu & Danial Opare-Atakora & Mohammed Haruna & Inusah I.Y. Baba & Israel K. Dzomeku & Rick L. Brandenburg & David L. Jordan, 2013. "Field efficacy of neem (Azadirachta indica A. Juss) for managing soil arthropods and Cercospora leaf spots damage for increased yield in peanut," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 49(2), pages 65-72.
    • Handle: RePEc:caa:jnlpps:v:49:y:2013:i:2:id:48-2012-pps
    DOI: 10.17221/48/2012-PPS
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