Dog Strangling Vine Control with Herbicides

Dec 24, 2020

An invasive perennial weed from the milkweed family, dog strangling vine, is extremely difficult to control once it gets established. Progress has been made on biological control of this weed in Ontario through the release of Hypena opulenta, a leaf feeding caterpillar. However, integrated strategies that include both biological and chemical methods are often most effective at reducing large and dense infestations of this weed. Recently, Dr. Tardif’s laboratory at the University of Guelph, compared the effectiveness of fifteen herbicide treatments at controlling dense populations of dog strangling vine within a York region woodlot. Below is a summary of observations for the most asked about herbicide treatments to control dog strangling vine.

Arsenal Powerline (3 L/ha): Control was not overly impressive in the weeks following application. A year after application it was the most effective at controlling dog strangling vine. Unfortunately, since this product is non-selective, other undesirable weeds, like garlic mustard, started growing the following year.
Garlon XRT (2.5 L/ha): Offers the quickest and most effective control of top growth. However, with no residual activity, re-growth is evident a year after application.
Roundup Weathermax (6.6 – 8.3 L/ha): Control was not overly impressive in the weeks following application. A year after application, control is variable and is best described as reducing stand numbers but re-growth from rhizomes do occur the following year.

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Border View Farms is a mid-sized family farm that sits on the Ohio-Michigan border. My name is Nathan. I make and edit all of the videos posted here. I farm with my dad, Mark and uncle, Phil. We also have a part-time employee, Brock. My dad started the farm in 1980. Since then we have grown the operation from just a couple hundred acres to over 3,000. Watch my 500th video for a history of our farm I filmed with my dad.

I started making these videos in the fall of 2019 as a way to help show what I do on a daily basis as a farmer. Agriculture is different from any other industry and I believe the more people that are showing their small piece of agriculture, helps to build our story. We face unique challenges and stressful situations but have some of the most rewarding payoffs in the end. I get to spend everyday doing what I love, raising my kids on the farm, and trying to push our farm to be better every year. I hope that I can address questions or concerns that you might have about farms and agriculture.