@article{
 title = {Field Evaluation of Soybean Engineered with a Synthetic cry1Ac Transgene for Resistance to Corn Earworm, Soybean Looper, Velvetbean Caterpillar (Lepidoptera: Noctuidae), and Lesser Cornstalk Borer (Lepidoptera: Pyralidae)},
 type = {article},
 year = {2000},
 identifiers = {[object Object]},
 keywords = {Bacillus thuringiensis, Lepidoptera, Noctuidae, Py,soybean},
 pages = {613-622},
 volume = {93},
 websites = {http://dx.doi.org/10.1603/0022-0493-93.3.613},
 publisher = {Entomological Society of America},
 id = {f808cb68-0e6a-3b5b-ac02-603fee86c347},
 created = {2012-01-05T13:09:45.000Z},
 file_attached = {false},
 profile_id = {1a467167-0a41-3583-a6a3-034c31031332},
 group_id = {0e532975-1a47-38a4-ace8-4fe5968bcd72},
 last_modified = {2012-01-05T13:15:19.000Z},
 tags = {Bt soybean,United States,economic,productivity},
 read = {false},
 starred = {false},
 authored = {false},
 confirmed = {true},
 hidden = {false},
 source_type = {Journal Article},
 abstract = {Atransgenic line of the soybean ÔJackÕ, Glycinemax(L.) Merrill, expressing a synthetic cry1Ac gene from Bacillus thuringiensis variety kurstaki (Jack-Bt), was evaluated for resistance to four lepidopteran pests in the Þeld. Jack-Bt and genotypes serving as susceptible and resistant controls were planted in Þeld cages and artiÞcially infested with larvae of corn earworm, Helicoverpa zea (Boddie), and velvetbean caterpillar, Anticarsia gemmatalis (Hu¨ bner), in 1996, 1997, and 1998, and also with soybean looper, Pseudoplusia includens (Walker), in 1996. Susceptible controls included Jack (1996Ð1998), ÔCobbÕ (1996), and Jack-HPH (1996). GatIR 81Ð296 was used as the resistant control in all 3 yr. Compared with untransformed Jack, Jack-Bt showed three to Þve times less defoliation from corn earworm and eight to nine times less damage from velvetbean caterpillar. Defoliation of GatIR 81Ð296 was intermediate between that of Jack and Jack-Bt for corn earworm, and similar to that of Jack for velveltbean caterpillar. Jack-Bt exhibited signiÞcant, but lower resistance to soybean looper. Jack-Bt also showed four times greater resistance than Jack to natural infestations of lesser cornstalk borer, Elasmopalpus lignosellus (Zeller), in conventional Þeld plots at two locations in 1998. Data from these experiments suggest that expression of this cry1Ac construct in soybean should provide adequate levels of resistance to several lepidopteran pests under Þeld conditions.},
 bibtype = {article},
 author = {Walker, David R and All, John N and McPherson, Robert M and Boerma, H Roger and Parrott, Wayne A},
 journal = {Journal of Economic Entomology},
 number = {3}
}

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Merrill, expressing a synthetic cry1Ac gene from Bacillus thuringiensis variety kurstaki (Jack-Bt), was evaluated for resistance to four lepidopteran pests in the Þeld. Jack-Bt and genotypes serving as susceptible and resistant controls were planted in Þeld cages and artiÞcially infested with larvae of corn earworm, Helicoverpa zea (Boddie), and velvetbean caterpillar, Anticarsia gemmatalis (Hu¨ bner), in 1996, 1997, and 1998, and also with soybean looper, Pseudoplusia includens (Walker), in 1996. Susceptible controls included Jack (1996Ð1998), ÔCobbÕ (1996), and Jack-HPH (1996). GatIR 81Ð296 was used as the resistant control in all 3 yr. Compared with untransformed Jack, Jack-Bt showed three to Þve times less defoliation from corn earworm and eight to nine times less damage from velvetbean caterpillar. Defoliation of GatIR 81Ð296 was intermediate between that of Jack and Jack-Bt for corn earworm, and similar to that of Jack for velveltbean caterpillar. Jack-Bt exhibited signiÞcant, but lower resistance to soybean looper. Jack-Bt also showed four times greater resistance than Jack to natural infestations of lesser cornstalk borer, Elasmopalpus lignosellus (Zeller), in conventional Þeld plots at two locations in 1998. Data from these experiments suggest that expression of this cry1Ac construct in soybean should provide adequate levels of resistance to several lepidopteran pests under Þeld conditions.","bibtype":"article","author":"Walker, David R and All, John N and McPherson, Robert M and Boerma, H Roger and Parrott, Wayne A","journal":"Journal of Economic Entomology","number":"3","bibtex":"@article{\n title = {Field Evaluation of Soybean Engineered with a Synthetic cry1Ac Transgene for Resistance to Corn Earworm, Soybean Looper, Velvetbean Caterpillar (Lepidoptera: Noctuidae), and Lesser Cornstalk Borer (Lepidoptera: Pyralidae)},\n type = {article},\n year = {2000},\n identifiers = {[object Object]},\n keywords = {Bacillus thuringiensis, Lepidoptera, Noctuidae, Py,soybean},\n pages = {613-622},\n volume = {93},\n websites = {http://dx.doi.org/10.1603/0022-0493-93.3.613},\n publisher = {Entomological Society of America},\n id = {f808cb68-0e6a-3b5b-ac02-603fee86c347},\n created = {2012-01-05T13:09:45.000Z},\n file_attached = {false},\n profile_id = {1a467167-0a41-3583-a6a3-034c31031332},\n group_id = {0e532975-1a47-38a4-ace8-4fe5968bcd72},\n last_modified = {2012-01-05T13:15:19.000Z},\n tags = {Bt soybean,United States,economic,productivity},\n read = {false},\n starred = {false},\n authored = {false},\n confirmed = {true},\n hidden = {false},\n source_type = {Journal Article},\n abstract = {Atransgenic line of the soybean ÔJackÕ, Glycinemax(L.) 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