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  • 1
    Electronic Resource
    Electronic Resource
    Extractives of seeds of the meliaceae: Effects onSpodoptera frugiperda (J.E. Smith),Acalymma vittatum (F.), andArtemia salina Leach (1987)
    Springer
    Journal of chemical ecology 13 (1987), S. 99-111 
    Details
    ISSN: 1573-1561
    Keywords: Spodoptera frugiperda ; Lepidoptera ; Noctuidae ; Acalymma vittatum ; Coleoptera ; Chrysomelidae ; brine shrimp ; Artemia salina ; insecticides ; antifeedants ; Meliaceae ; neem ; limonoids ; azadiractin ; seeds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Hexane and ethanol extracts of seeds from 22 species of plants of the family Meliaceae from a number of countries were prepared. The extracts were submitted to antifeedant and toxicity bioassays utilizing fall armyworm [Spodoptera frugiperda (J.E. Smith)] (Lepidoptera: Noctuidae) larvae and striped cucumber beetle [Acalymma vittatum (F.)] (Coleoptera: Chrysomelidae) adults. Toxicity tests were also performed with brine shrimp,Anemia salina Leach. Feeding inhibition and mortality produced by some of these extracts were comparable to and, in certain cases, slightly greater than the effects produced by comparable neem (Azadiracta indica A. Juss.) seed preparations. Brine shrimp toxicity data do not extrapolate to insect activity, and vice versa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020354
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of meliaceous seed extracts on growth and survival ofSpodoptera frugiperda (J.E. Smith) (1989)
    Springer
    Journal of chemical ecology 15 (1989), S. 121-128 
    Details
    ISSN: 1573-1561
    Keywords: Spodoptera frugiperda ; Lepidoptera ; Noctuidae ; Meliaceae ; neem ; insecticides ; limonoids ; seed extracts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Hexane and ethanol extracts of seeds from 10 plant species (including neem—Azadirachta indica A. Juss.) of the family Meliaceae were incorporated into artificial diet at various doses and fed to fall armyworm [Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae)] larvae in nochoice tests. All produced significant mortality, reduced larval growth rate, increased time to pupation, or all three, at some concentration. The two highest doses of all of the ethanol extracts caused 100% mortality before pupation, but the hexane extracts tended to be less effective.Aglaia cordata Hiern. ethanol extract was as potent as the comparable neem seed extract at virtually all levels, and its hexane extract was active at much lower concentrations than the neem extract was. The sublethal effects (slower growth and increased time to pupation) were usually detectable at lower doses of extract than mortality was.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02027778
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    Paper (German National Licenses)
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