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Screening Op Eighty Jamaica Plants For Insecticidal Activity

Author

Listed:
  • Williams, Lawrence A.
  • Mansingh, Ajai
  • Coke, Lloyd B.

Abstract

Acetone and ethanol extracts of the leaves of eighty plant species, belonging to seventy-three genera and forty-three families were bioassayed on adult Tribolium castaneum (Herst) by spraying a series of concentrations directly on the beetles under a Potter's tower. The highest concentration (20%) of the crude extracts of only four plants, Artocarpus incisa, Capsicum annuum, Cuscuta americana and Nicotiana tabacum inflicted 80 - 100% mortality in five days. About 47 to 67% mortality was recorded with the extracts of Annona reticulata, Bontia daphnoides, Eupatorium odoratum, Gliricidia sepium and Hibiscus rosa-sinensis, while the other seventy-one plants were relatively ineffective.

Suggested Citation

  • Williams, Lawrence A. & Mansingh, Ajai & Coke, Lloyd B., 1988. "Screening Op Eighty Jamaica Plants For Insecticidal Activity," 24th Annual Meeting, August 15-20, 1988, Ocho Rios, Jamaica 260338, Caribbean Food Crops Society.
    • Handle: RePEc:ags:cfcs88:260338
    DOI: 10.22004/ag.econ.260338
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    File URL: https://ageconsearch.umn.edu/record/260338/files/24_34.pdf
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    Cited by:

    1. Williams, Lawrence A. & Mansingh, Ajai, 1988. "PRELIMINARY INVESTIGATION OM THE ADVERSE EFFECTS OF EXTRACTS OF Azadirachta indica AND Artocarpus incisa ON THE REPRODUCTIVE PHYSIOLOGY OF THE CATTLE TICK, Boophilus microplus," 24th Annual Meeting, August 15-20, 1988, Ocho Rios, Jamaica 260337, Caribbean Food Crops Society.

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