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Understanding Spodoptera litura larval survival in Bollgard 3 crops in Northern Australia

Holman, S. and Grundy, P. R. (2023) Understanding Spodoptera litura larval survival in Bollgard 3 crops in Northern Australia. In: 5th biennial Australian Cotton Research Conference, 5-7 September 2023, Toowoomba.

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Publisher URL: https://www.australiancottonscientists.org/wp-content/uploads/AACS-2023-Proceedings.pdf


The introduction of Bt cotton has facilitated industry expansion into regions historically burdened by high insect populations. Since experimental farming of Bollgard 3 commenced in Northern Australia in 2017, there have been frequent reports of S. litura larvae of all instar sizes surviving in some crops. Effective pest and resistance management relies on a comprehensive understanding of pest biology, ecology and host-plant interactions. However, due to its rarity in Australia's temperate climates, little is known about S. litura, hindering the development of sustainable management practices. Investigating factors associated with larval survival in Bollgard 3 crops marks the initial step in assessing the pest status and resistance risks posed by S. litura in co on across Northern Australia. Here we discuss a series of experiments exploring various mechanisms that potentially facilitate improved larval survival, including plant phenology and different plant parts.

Item Type:Conference or Workshop Item (Paper)
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Crop and Food Science
Subjects:Plant culture > Field crops > Textile and fibre plants
Plant pests and diseases
Plant pests and diseases > Weeds, parasitic plants etc
Live Archive:06 Feb 2024 05:35
Last Modified:06 Feb 2024 05:35

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