Field evaluation and potential ecological impact of transgenic cottons (Gossypium hirsutum) in Australia
作者： Gary P. Fitt , C. L. Mares , D. J. Llewellyn
DOI: 10.1080/09583159409355367
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摘要: The first field trials in Australia of transformed cottons expressing the CryIA(b) insecticidal protein from Bacillus thuringiensis subsp. kurstaki (Bt) were completed during 1992–93 season. showed good efficacy plants against populations Helicoverpa, but there indications a declining level Bt expression once began to senesce. Laboratory assays that larger instars could survive on transgenic tissues although their growth was severely retarded. introduction may have several ecological impacts, apart direct impact target pests. These include risk resistance development, effects beneficial and non‐target arthropod species changes pest status associated with altered patterns pesticide usage. Chief among potential pests are sucking insects (e.g. Miridae) which appear not be regulated by agents currently suppressed sprays applied for Helicoverpa Transgenic pl...
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