Vineyard weed identification and management presentations

If you could not attend the recent vineyard weed identification and management meeting, you can view the presentations online.

Vineyard weed identification and weed management with herbicides were the topics presented to grape growers on April 17, 2014, at the Northwest Michigan Horticultural Research Center in Leelanau County.

Michigan State University Extension horticulture specialist Eric Hanson and I teamed up to cover the topic of weed identification, covering the basics of weed identification, weed life cycles and 25 common problem weeds of Michigan vineyards. A number of the species covered are known to be alternate hosts of viruses that can infect grapevines, making these weeds of particular concern.

Wayne Mitchem from North Carolina State University Department of Horticultural Sciences made his presentations on herbicide products and weed management programs via a videoconference link. He gave detailed information on over a dozen vineyard herbicides and how they can be used in specific combinations or schedules to combat specific weed situations.

These presentations can be found online here:

For more information, visit the MSU Viticulture and Enology website at

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