Response of dicamba-resistant Palmer amaranth and cotton to malathion applied in conjunction with dicamba
Delaney C. Foster,
Peter A. Dotray,
Stanley Culpepper
et al.
Abstract:Cotton and soybean growers were offered new technologies in 2016, expanding in-crop herbicide options to include dicamba or 2,4-D. Within three years of commercialization, dicamba use in these crops increased ten-fold and growers began to report Palmer amaranth escapes in dicamba-tolerant production systems in western Tennessee. In 2020, Palmer amaranth seed was collected from eight Tennessee locations where growers witnessed poor control following dicamba. Greenhouse experiments were conducted to evaluate the… Show more
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