Effects of cross‐pollination among non‐Bt and pyramided Bt corn expressing cry proteins in seed mixtures on resistance development of dual‐gene resistant Helicoverpa zea

BACKGROUND Seed mixture strategy can guarantee the compliance of planting non‐Bt crops to host the susceptible insects for resistance management. However, pollen movement between Bt and non‐Bt corn in the mixed plantings could reduce the efficacy of this strategy for ear‐feeding insects. Few studies...

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