Cucurbitacins: Specific Insect Attractants in Cucurbitaceae

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Science  16 Sep 1966:
Vol. 153, Issue 3742, pp. 1392-1393
DOI: 10.1126/science.153.3742.1392


In vivo studies of cucurbitacins, the bitter principles present in Cucurbitaceae, indicated a quantitative relation between the concentrations of cucurbitacin in the plant and the degree of insect feeding. In vitro studies demonstrated the attractiveness of these compounds when they were separated from influences of other components of the host plants.

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