Effect of MpNav knock-down on fecundity of M. persicae. Fecundity of insects previously fed on artificial diets containing DEPC water, dsGFP and dsMpNav at their nymphal stage. Mean ± SEM of three replications (n = 18) are shown. Treatments are compared using ANOVA (Tukey Kramer multiple comparions, p < 0.05). Symbol ** indicates P < 0.01.