crown gall

I've been growing crown gall, I mean Chambourcin, for the last 10 years. It has been a constant battle with crown gall where I end up retraining trunks every 2-3 years. Naturally this means I've never been able to achieve much more than a 25% yield. This year I'm trying something different that...

So I know I have the vermin in the vineyard. One area of my chambourcin is much more severely impacted by crown gall than another. At first I'd attributed that to soil and vigor differences but I'm now thinking that rabbits are playing a starring role. Not that it takes much for Chambourcin to...