Editing Genetically modified maize (section)

== Resistance ==
Resistant strains of the European corn borer have developed in areas with defective or absent refuge management.<ref name=sci1009>{{cite journal | vauthors = Tabashnik BE | title = Plant science. Communal benefits of transgenic corn | journal = Science | volume = 330 | issue = 6001 | pages = 189–90 | date = October 2010 | pmid = 20929767 | doi = 10.1126/science.1196864 | s2cid = 36595050 }}</ref><ref name=Witowski /> In 2012, a Florida field trial demonstrated that [[Fall armyworm|army worms]] were resistant to Bt maize produced by Dupont-Dow; armyworm resistance was first discovered in Puerto Rico in 2006, prompting Dow and DuPont to voluntarily stop selling the product on the island.<ref>{{cite web | vauthors = Kaskey J | work = Bloomberg News | date = 16 November 2012 | url = https://www.bloomberg.com/news/2012-11-16/dupont-dow-corn-defeated-by-armyworms-in-florida-study.html | title = DuPont-Dow Corn Defeated by Armyworms in Florida: Study |archive-url=https://web.archive.org/web/20150305033718/https://www.bloomberg.com/news/articles/2012-11-16/dupont-dow-corn-defeated-by-armyworms-in-florida-study|archivedate=2015-03-05|url-status=live}} {{subscription required}}</ref>