Start Date
2-24-2022 11:00 AM
Description
Alfalfa weevils (AW) and fall armyworms (FAW) were newsmakers for very different reasons during the 2021 alfalfa growing season. An AW control failure with a pyrethroid in Kentucky drew attention to practices to manage insecticide resistance. A regional outbreak of FAWs resulted in significant damage to alfalfa and grasses along with a reminder of the unpredictable nature and difficult detection of this pest. While there are several effective FAW control options, it is challenging is to detect infestations in time to act.
Included in
Alfalfa Insect Update: 2021 Growing Season
Alfalfa weevils (AW) and fall armyworms (FAW) were newsmakers for very different reasons during the 2021 alfalfa growing season. An AW control failure with a pyrethroid in Kentucky drew attention to practices to manage insecticide resistance. A regional outbreak of FAWs resulted in significant damage to alfalfa and grasses along with a reminder of the unpredictable nature and difficult detection of this pest. While there are several effective FAW control options, it is challenging is to detect infestations in time to act.