Incipient resistance of Helicoverpa punctigera to the Cry2Ab Bt toxin in Bollgard II cotton.

by Sharon Downes, Tracey Parker, Rod Mahon
Published 2010-01-01

A brave new world for an old world pest: Helicoverpa armigera (Lepidoptera: Noctuidae) in Brazil.

by Wee Tek Tay, Miguel F Soria, Thomas Walsh, Danielle Thomazoni, Pierre Silvie, Gajanan T Behere, Craig Anderson, Sharon Downes
Published 2013-01-01

Binding site alteration is responsible for field-isolated resistance to Bacillus thuringiensis Cry2A insecticidal proteins in two Helicoverpa species.

by Silvia Caccia, Carmen Sara Hernández-Rodríguez, Rod J Mahon, Sharon Downes, William James, Nadine Bautsoens, Jeroen Van Rie, Juan Ferré
Published 2010-04-01

Spatio-Temporal Variation in Landscape Composition May Speed Resistance Evolution of Pests to Bt Crops.

by Anthony R Ives, Cate Paull, Andrew Hulthen, Sharon Downes, David A Andow, Ralph Haygood, Myron P Zalucki, Nancy A Schellhorn
Published 2017-01-01

Insect Resistance to Bacillus thuringiensis Toxin Cry2Ab Is Conferred by Mutations in an ABC Transporter Subfamily A Protein.

by Wee Tek Tay, Rod J Mahon, David G Heckel, Thomas K Walsh, Sharon Downes, William J James, Sui-Fai Lee, Annette Reineke, Adam K Williams, Karl H J Gordon
Published 2015-11-01

Multiple recombination events between two cytochrome P450 loci contribute to global pyrethroid resistance in Helicoverpa armigera.

by Thomas K Walsh, Nicole Joussen, Kai Tian, Angela McGaughran, Craig J Anderson, Xinghui Qiu, Seung-Joon Ahn, Lisa Bird, Nena Pavlidi, John Vontas, Jaeeun Ryu, Akhtar Rasool, Isabella Barony Macedo, Wee Tek Tay, Yongjun Zhang, Mary E A Whitehouse, Pierre Jean Silvie, Sharon Downes, Lori Nemec, David G Heckel
Published 2018-01-01