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A and B, Feeding preference of L. dispar caterpillars (L2) for leaf discs of P. × canescens wild type (WT) versus sulfotransferase1 (RNAi) knockdown lines. Consumed leaf area was measured after 21 h of feeding. Medians ± quartiles are shown. ns, not significant. Statistical significance was assessed by paired t-test or Wilcoxon signed rank test (n = 11–14). Experiment 1 (P = 0.172, t = −1.470); experiment 2 (P = 0.380, W = 24.00).
