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Aphid-induced changes in levels of protein thiols in maize plants. (A)—Złota Karłowa cultivar (susceptible), (B)—Waza cultivar (relatively resistant). Con—control (non-infested) plants; 30A and 60A—30 and 60 aphids per plant, respectively. Different letters above bars denote significant differences between the means of treated (30A and 60A) and control plants of each genotype (post-hoc Tukey’s test; p < 0.01).
