Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/8895
Title: Do green lacewings ('Mallada signata') add mortality of 'Helicoverpa armigera' on transgenic Bt cotton?
Contributor(s): Bahar, Md Habibullah (author); Stanley, John (author); Gregg, Peter (author)orcid ; del Socorro, Alice (author)
Publication Date: 2009
Handle Link: https://hdl.handle.net/1959.11/8895
Abstract: Experiments were done to study the compatibility of a general predator, a green lacewing, to control 'Helicoverpa armigera' eggs and larvae with transgenic Bt cotton. Bt cotton did not affect green lacewing performance. Green lacewings consumed statistically identical numbers of 'Helicoverpa' eggs and larvae on both Bt and conventional cotton plants. On Bt cotton plants 83% of the 'H. armigera' larvae died within 72 hours. Mortality increased to 98% when lacewing larvae were present. This 'mopping-up' of surviving 'Helicoverpa' on Bt cotton by lacewing larvae has the potential to reduce immediate pest damage but perhaps more importantly remove potentially Bt-resistant genotypes.
Publication Type: Conference Publication
Conference Name: ESCM 2009: Joint Annual Meeting of the Entomological Societies of Canada & Manitoba, Winnipeg, Canada, 18th - 21st October, 2009
Conference Details: ESCM 2009: Joint Annual Meeting of the Entomological Societies of Canada & Manitoba, Winnipeg, Canada, 18th - 21st October, 2009
Source of Publication: ESCM 2009 Program and Abstracts, p. 37-37
Publisher: Entomological Society of Canada
Place of Publication: Online
Field of Research (FOR): 070308 Crop and Pasture Protection (Pests, Diseases and Weeds)
060208 Terrestrial Ecology
HERDC Category Description: E3 Extract of Scholarly Conference Publication
Other Links: http://www.esc-sec.ca/meetings/ESC2009/jam09prog.pdf
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