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. 2019 Oct 3;8(10):395. doi: 10.3390/plants8100395

Figure 2.

Figure 2

Effect on insect performance of systemin peptide supplied via hydroponics. Tomato plants were grown in hydroponic culture and supplied with 100 pM Sys or 100 pM Sys-scramble (Scp) or PBS1X. (A) Mean weight (± S.E.) of S. littoralis larvae feeding on tomato leaves. (B) Survival rate of experimental S. littoralis larvae. Asterisks denote statistically significant differences (one-way ANOVA: * p < 0.05; ** p < 0.01; *** p < 0.001). A group of 32 larvae was used for each experimental condition and the experiment was repeated twice.