Convolvulus arvensis (bindweed)

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spklatt Ottawa, ON(Zone 5a) Apr 17, 2005

A historic garden that I volunteer at has a lot of bindweed. The stuff just keeps coming back, like the proverbial cat. I've been reading up on how to deal with it; the link below has some good info, but I was curious if someone here has had any success with any method in particular?

http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7462.html

Shannon

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caron Woodland Park, CO(Zone 4b) Apr 17, 2005

I don't particularly like leaving plastic in place for years-not at all good for the soil. Although covering makes it weak and easier to pull, one bit of light and it's back with a vengance. I've the vines travel more than a few feet only to peek up from under plastic or boards. Nasty, evil, weed!!
You can also don a nitrile glove with a cotton one over that-dip gove in chemical and literally shake hands with the bindweed if it's in places where application will be difficult. You can also paint on with a foam brush. Re-application is always necessary. The roots are very deep and this always resprouts.

I've had extremely good success with the Aceria mite here. Don't know if it's available for you.

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spklatt Ottawa, ON(Zone 5a) Apr 17, 2005

Good info - thanks. You're right, the roots sure are deep.

Is the Aceria mite introduced to bindweed to control it? What is its effect on the surrounding ecosystem?

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caron Woodland Park, CO(Zone 4b) Apr 17, 2005

Yes and none. Aceria malherbae is host specific to Convovulous arvense. Does not go to others in same family or genus as I understand it and I have never found it on anything else but field bindweed.
Here is a link. http://www.ag.state.co.us/DPI/insectary/BOM-Am.html
The organization I work for was the initial field experiment in 1999.

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spklatt Ottawa, ON(Zone 5a) Apr 17, 2005

Very interesting - Ill see if it's available here in Canada. Thank you!

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