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Waterville, Ohio

After discovering huge svb grubs late in the season last year I tried to be on the offensive for the 2009 season. However, I've found some within my vines yesterday. Rather then slicing my vines length wise, I scraped the outer edge of the vine enough to find the entrance hole and used a bent paper clip to remove 7 or 8 grubs from two different plants. Although I believe I removed all of them, I used a heavy dose of imidacloprid to keep them at bay.

My question is are my measures going to be enough to keep my plants healthy and alive or should I have sliced the areas length wise to make sure I extracted all of them from my two plants? Will a heavy dose of imidacloprid deter any new grubs from actually entering the vines?

7/22/2009 11:57:18 AM

Ctpumpkin@optonline.net

Too soon to tell. I have e new neonicitinoid (same chemical class as imidacloprid) that is notoriously faster than Merit but I don't have a test subject.

At $112/lb Safari is not an experiment to be taken lightly.

7/22/2009 7:07:45 PM

Windsor, Ontario, Canada

It won't really deter them from eating the vines, but it will kill them when they try too.

7/22/2009 9:35:23 PM

Minneapolis, MN

Must they be removed, or could someone just let the Imidacloprid do it's job and leave them dead inside?

8/5/2009 8:39:58 AM