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.
Latest from Nursery Management
- John Ruter shares UGA's latest woody and herbaceous ornamental plant breeding projects
- Conor Foy joins EHR's national sales team
- Pantone announces its 2026 Color of the Year
- Syngenta granted federal registration for Trefinti nematicide/fungicide in ornamental market
- Get to know Kayela Aeppli
- HILA 2025 video highlights: John Gaydos of Proven Winners
- Q&A with Justin Bartlett
- Be the best choice