We unfortunately identified crown gall - Agrobacterium vitis - in our Chambourcin vines. We will manage the diseased vines for production for the time being - the disease is systemic and the vines cannot be cured. Crown gall symptoms occur when an infected vine is winter injured, giving the galls a chance to form. We will train up new trunks and manage multiple trunks of … [Read more...] about Crown gall in Chambourcin