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Fig. 1. Fumonisin concentration in grain (A and B) and the severity of Fusarium ear rot (C and D) for Bt and non-Bt corn hybrids infested with European corn borer larvae at V8 (8 leaves with collars) and R2 (blister), or infested with corn earworm larvae at R2, or not infested with insects. Primary ears were injected with a spore suspension of F. verticillioides and F. proliferatum down the silk channel at R2 (A and C), or were not inoculated with Fusarium spp. (B and D). Lowercase letters above columns designate differences at 
= 0.05 between Bt and non-Bt hybrids within treatments.
