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. 2005 Jun 6;102(24):8426–8430. doi: 10.1073/pnas.0409324102

Fig. 1.

Fig. 1.

Density of Cry1Ac/Cry1C-resistant diamondback moth on Bt plants (A) and non-Bt refuge plants (B) in greenhouse cages. Trt 1, 45% Cry1Ac and 45% two-gene plants plus 10% refuge; Trt 2, 45% Cry1C and 45% two-gene plants plus 10% refuge; Trt 3, 90% two-gene plants plus 10% refuge. Data were based on two replicates in treatment 1 after 20 generations when one replicate was terminated because of control failure. Means (±SEM) followed by the same letter within the same generation are not significantly different (P > 0.05).