Marestail seedling and field infested with marestail
Figures 1 (inset). Marestail plant forming rosette in spring. Figure 2. Corn field infested with glyphosate-resistant marestail in eastern Nebraska. (All photos by Debalin Sarangi).

When is a Good Time to Scout and Control Glyphosate-Resistant Marestail?

March 8, 2017

Marestail, also known as horseweed or Canada fleabane, is a winter or summer annual weed in Nebraska. Historically, marestail was found in waste area, field edges, along roadsides, and railway tracks; however, no-till crop production systems over the last 20 years favor marestail germination and establishment in agronomic crops in Nebraska.

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