Effectiveness of Herbicides Applied Mid-Summer or Fall on Canada Thistle Control

Effectiveness of Herbicides Applied Mid-Summer or Fall on Canada Thistle Control

Field studies were established on Canada thistle in several states in the upper Midwest to measure effectiveness of herbicides applied at various application times including mid-summer and fall. Milestone® herbicide at 5 and 7 fluid ounces per acre (fl oz/A) was applied at various growth stages from May through early November.

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