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Laboratory evaluation of neem-seed extract against larvae of the cabbage looper and beet armyworm (Lepidoptera: Noctuidae)



Laboratory evaluation of neem-seed extract against larvae of the cabbage looper and beet armyworm (Lepidoptera: Noctuidae)



Journal of Economic Entomology 79(1): 39-41



Incorporation of an extract of neem (Azadirachta indica) seeds into an artificial diet to give concentrations of 0.02, 0.2 and 2.0% (w/v) prolonged development and induced mortality in all larval instars of Trichoplusia ni and Spodoptera exigua. Only one non-reproductive adult female of T. ni was produced when 50 fifth-instar larvae were exposed to the diet containing the lowest concentration of the extract.

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Accession: 001399343

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DOI: 10.1093/jee/79.1.39



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