- Author: Konrad Mathesius
Published on: August 24, 2023
Summary note: This is a belated research update from herbicide trials (targeting Italian ryegrass) carried out in the winter of 2021-2022 in wheat fields in the Esparto area. The southern Sacramento Valley saw a record number of consecutive days without rain in that year, which severely limited the efficacy of post-emergent systemic herbicides. Growers should prioritize scheduling post-emergent herbicide applications early in the weed's growth stages and when weeds are actively growing to avoid the severe reduction of herbicide efficacy that can occur as a result of unexpected droughty conditions. This is particularly important given that the weather systems in our...
Tags: axial (2), express (1), herbicide trials (1), Italian ryegrass (8), osprey (2), Sacramento Valley (1), simplicity (2), wheat (6)
Focus Area Tags: Agriculture
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