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. 2018 Oct 25;9:1498. doi: 10.3389/fphys.2018.01498

FIGURE 2.

FIGURE 2

Impact of the tyrosine and phenylalanine depleted diet on aphid performances. (A) Survival analysis of A. pisum reared on two artificial diets: a complete diet (AP3, blue) and a Tyr/Phe depleted diet (YFØ, yellow). Each diet group was composed of 30 aphids. Data were analyzed using Log Rank Test. (B) Effects of the YFØ diet on aphid weight 7 days after the transfer on artificial diets. Each diet group was composed of 30 aphids. Data were analyzed using Welch’s t-test and significant differences are indicated with asterisks (∗∗∗∗P ≤ 0.0001). (C) Cumulative number of progeny laid per aphid reared on the YFØ and AP3 diets. Results are reported as means (±SD) of 10 isolated individuals per diet. Data were analyzed by a Welch’s t-test and significant differences are indicated with asterisks (P ≤ 0.05). (D) Effects of the YFØ diet on the size of produced nymphs. A total of 43 and 29 nymphs were measured for the AP3 and YFØ diet, respectively. Data were analyzed using Student’s t-test (ns, not significant).