Is insecticide resistance a factor contributing to the increasing problems with Dalbulus maidis (Hemiptera: Cicadellidae) in Brazil?
Eduardo Perkovski Machado,
Emily Vieira Souza,
Gabriel Silva Dias
et al.
Abstract:BackgroundThe corn leafhopper, Dalbulus maidis, is an important pest in Brazil. While chemical control has traditionally been the cornerstone for managing this pest, field control failures have been reported for some insecticides. To understand if these failures are due to resistance, we evaluated the susceptibility of 11 field‐collected populations of D. maidis to major insecticides during the 2021–2022 crop seasons in Brazil using concentration‐mortality bioassays. Additionally, we employed diagnostic concen… Show more
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