Chemical stimulants and deterrents regulating acceptance or rejection of crucifers by cabbage butterflies
- 1 July 1987
- journal article
- research article
- Published by Springer Nature in Journal of Chemical Ecology
- Vol. 13 (7), 1771-1776
- https://doi.org/10.1007/bf00980217
Abstract
GravidPieris rapae butterflies oviposit on many, but not all, crucifers. Rejection ofErysimum cheiranthoides andCapsella bursa-pastoris was initially explained by the presence of chemical deterrents in the plants. Analyses and bioassays of plant extracts indicated the absence of oviposition stimulants inC. bursa-pastoris, but similar chemical separation ofE. cheiranthoides extracts revealed the presence of stimulants as well as deterrents. Choice tests illustrate how acceptance or rejection of a plant by an insect may depend on the balance of positive and negative chemical stimuli within the plant.This publication has 9 references indexed in Scilit:
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