Efficacy of pyramided Bt proteins Cry1F, Cry1A.105, and cry2Ab2 expressed in Smartstax corn hybrids against lepidopteran insect pests in the northern United States. - Rule DM; Nolting SP; Prasifka PL; Storer NP; Hopkins BW; Scherder EF; Siebert MW; Hendrix WH 3rd (Journal of economic entomology, 2014)