Login | Request Account (DAF staff only)

Abundance of Helicoverpa (Lepidoptera: Noctuidae) pupae under cotton and other crops in central Queensland: implications for resistance management

Share this record

Add to FacebookAdd to LinkedinAdd to XAdd to WechatAdd to Microsoft_teamsAdd to WhatsappAdd to Any

Export this record

View Altmetrics

Sequeira, R. V. and Playford, C. L. (2001) Abundance of Helicoverpa (Lepidoptera: Noctuidae) pupae under cotton and other crops in central Queensland: implications for resistance management. Australian Journal of Entomology, 40 (3). pp. 264-269. ISSN 1326-6756

Full text not currently attached. Access may be available via the Publisher's website or OpenAccess link.

Article Link: https://doi.org/10.1046/j.1440-6055.2001.00234.x

Abstract

Planting of refuge crops and post-harvest cultivation of soil in winter are key elements of resistance management strategies (RMS) for Bt-transgenic (Ingard®) and conventional cottons in southern Queensland and New South Wales. As part of a larger project to examine the feasibility of growing Ingard® in central Queensland (CQ), field assessments were conducted during the 1996–97 growing season to examine the adequacy of the southern Bt-cotton RMS under local environmental conditions. The suitability of cotton and a number of other field crops as refuges for Bt-cotton was assessed in terms or their relative Helicoverpa pupal productivity. The practicality and potential effectiveness of post-harvest cultivation under CQ conditions were also assessed. Field assessments show that pigeon pea has the greatest potential as a refuge for Bt-cotton. Unsprayed cotton, sorghum and maize also produced substantially high pupal densities and hence are suitable refuge options, but they will require larger areas to be planted relative to pigeon pea. Post-harvest cultivation in cotton fields is largely ineffective for resistance management under CQ conditions. A Bt-cotton RMS for CQ is proposed. The CQ strategy includes refuge crop options contained in the southern strategy and the use of late season trap-crops of pigeon pea as an alternative to post-harvest cultivation.

Item Type:Article
Subjects:Science > Entomology
Live Archive:09 Jan 2024 03:11
Last Modified:09 Jan 2024 03:11

Repository Staff Only: item control page