Disease | Fungus |
Powdery mildew | Podosphaera pannosa || |
Rust | Phragmidium mucronatum Phragmidium rosae-pimpinellifoliae plus seven other Phragmidium spp. || |
Septoria leaf spot | Septoria rosae Sphaerulina rehmiana [teleomorph] || |
Spot anthracnose | Elsinoë rosarum Sphaceloma rosarum [anamorph] || |
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Jul 30, 2021 · The three most serious diseases of roses in South Carolina are black spot, powdery mildew, and stem canker, and dieback. For more information on ...
Jun 2, 2020 · These can include Aphids, Caterpillars, Leaf Rolling Sawfly, Rose Slug Sawfly, Red Spider Mite and Thrips.
Diseases of roses are primarily caused by fungi, bacteria and plant viruses. Fungal pathogens are responsible for diseases such as powdery mildew, downy mildew, ...
The most common rose disease in California gardens and landscapes is powdery mildew, but other diseases including rust, black spot, botrytis, downy mildew, and ...
Are your roses yellowing? Do they have black spots? Learn about common rose diseases and pests, from rose chlorosis to rose aphids, and how to combat them.
Diseases · Black Spot · Powdery Mildew · Rose Mosaic Virus · Crown Gall · Rose Rosette Virus · Mossy Rose Gall · Rusts · Canker. Cankers cause dark sunken areas ...
Jan 19, 2024 · 3. Stem Canker · 4. Rose Rust · 5. Botrytis Blight · 6. Downy Mildew · 7. Rose Rosette Disease · 8. Rose Mosaic · 9. Crown Gall · 10. Rose Slug.
In Connecticut, the common diseases of rose include black spot, powdery mildew, downy mildew, Botrytis blight, cankers (brand and common canker), rust, crown ...