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Relative resistance of homozygous resistant (RR), heterozygous resistant (RS) and fully susceptible (SS) third instar larvae of diamondback moth larvae in leaf-dip bioassays. Data for the reciprocal F1 crosses used to produce RS heterozygotes have been plotted separately and the sex of the resistant parent indicated. Data are five-day mortality; lines represent fitted statistical models from a binomial glm.
