New e-GRO alert details rose gall

Growers should inspect plants for agrobacterium infection.


By Josh Henry and Brian Whipker, North Carolina State University

While out on an extension visit, we were walking through a field of pot grown Knock Out roses that had been held over from the previous year’s crop. The plants looked healthy, but one plant was found to have a large mass of growth near the base of the stem.

Click here to read more from Electronic Grower Resources Online (e-GRO), including sanitation practices for controlling agrobacterium and identification tips.