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Remain vigilant for Palmer amaranth
Story Date: 7/20/2018
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Source: FARM DOC DAILY, UNIV. OF ILLINOIS, 7/18/18
Recommended citation format: Hager, A. "Remain Vigilant for Palmer Amaranth." farmdoc daily (8):132, Department of Agricultural and Consumer Economics, University of Illinois at Urbana-Champaign, July 18, 2018.Permalink
Palmer amaranth (Amaranthus palmeri) has garnered much attention recently in both academic discussions and popular press releases, and with good reason. Among the weedy species of Amaranthus, Palmer amaranth has the fastest growth rate and is the most competitive with the crops common to Midwest agronomic cropping systems. Soybean yield losses approaching 80% and corn yield losses exceeding 90% have been reported in the peer-reviewed scientific literature. While most concern focuses on Palmer amaranth in agronomic cropping systems, Palmer amaranth also can become established in non-crop areas. Palmer amaranth populations in non-crop environments obviously do not compete with agronomic crops, but these established plants can produce seeds that ultimately find their way into crop production fields.
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