stem canker (Leptosphaeria coniothyrium)
Cankers, diebacks, and wilts
Rose stem canker | Walter Reeves: The Georgia Gardener
Rose (Rosa spp.) and hybrids-Brand and Common Canker | Pacific Northwest Pest Management Handbooks
What Is Rose Canker – Heirloom Roses
How to Get Rid of Cankers in Your Garden | Yates Australia
Factsheet - Canker
Stem Canker of Rose – Center for Urban Agriculture
Stumped by Cane Canker?
Rose (Rosa spp.) and hybrids-Brand and Common Canker | Pacific Northwest Pest Management Handbooks
Cankers on Rose (Coniothyrium, Phomopsis, Botryosphaeria, Botrytis and others)-Hort Answers - University of Illinois Extension
Rose Canker
Roses: Rose Stem Canker???, 1 by judycooksey
PLANT DISEASE
Rose Stem Canker and Dieback - New York Plants HQ
Dark Spots on Rose Stems - YouTube
Rose Canker Identification and Treatment - YouTube
Bactrie Canker in Stem Rose Stock Image - Image of gardening, agriculture: 195359897
What's wrong with my plant? : Garden : University of Minnesota Extension
Rose Canker and remedy - Gardening & Landscaping Stack Exchange
11 Rose Bush Diseases: Identification, Prevention, and Treatment
Rose – Black Spot Canker on Stem | Walter Reeves: The Georgia Gardener
Gardening 208: All About Roses - Franz Witte
Canker on Roses, Shrubs, and Vines | University of Maryland Extension
