Video presents methods for using own-rooted Vitis vinifera vines

Mallory Marienfeld<fourni49@msu.edu>, MSU IPM Program -

Learn about the research investigating if the insecticide Movento can provide long-term protection against phylloxeration in own-rooted Vitis vinifera vines in Michigan.

Phylloxera on a leaf.
Phylloxera on a leaf.

Phylloxera is a devastating insect pest of vineyards that produces galling on the leaves. More seriously, it produces a nymph stage that feeds on the roots of grapevines, either killing the vines or leaving them very weak and unproductive. Two general strategies to combat this insect pest include developing phylloxera-resistant hybrid varieties and phylloxera-resistant rootstocks. Additionally, Bayer Crop Sciences has a product called Movento that has efficacy in controlling phylloxeration on the roots of grapevines.

Thanks to funding from the Michigan Grape and Wine Industry Council, Tom Zabadal and Jenny Schoonmaker of Michigan State University began a project to see if this chemical strategy could be used in Michigan to grow own-rooted vines of the Vitis vinifera species and protect them from phylloxeration. Growers can watch a short video about this project at “Developing methods for use of own-rooted Vitis vinifera vines in Michigan vineyards.”

The video addresses the following questions that were part of the project:

  1. Can Movento provide long-term protection to vines against phylloxera infestation of roots?
  2. If so, how often does Movento need to be applied to achieve this protection?
  3. If Movento provides long-term protection against root phylloxeration, what strategies might growers employ to establish own-rooted vines in both new and existing vineyards?
  4. What are the most efficient ways to employ those strategies?

To access “Developing methods for use of own-rooted Vitis vinifera vines in Michigan vineyards” and other wine grape research videos on a variety of topics, go to the Michigan State University Extension Grapes Research page.

This article was published by Michigan State University Extension. For more information, visit https://extension.msu.edu. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464).

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