Black Mold
Chlaropsis thielavioides
15 host plants · Fungal
Last updated
Sooty black fungal coating covers leaves and stems from insect honeydew. Treat the underlying pest and improve sanitation.
Practice strict sanitation in greenhouses, storage bins, and storage houses. Wash all dust and debris from the walls and floors before disinfecting storage house and bins.
Quick Reference
Agent Type
fungal
Causal Agent
Chlaropsis thielavioides
Host Plants
15
Favorable Conditions
High humidity and warm temperatures; sooty mold grows on honeydew (no direct ...
Management
Vulnerability Window
Spring through fall; peaks in mid-summer when honeydew producers are active.
What Triggers Infection
High humidity and warm temperatures; sooty mold grows on honeydew (no direct infection).
Cultural Controls
- Practice strict sanitation in greenhouses, storage bins, and storage houses.
- Wash all dust and debris from the walls and floors before disinfecting storage house and bins.
- Use only uncontaminated stock for planting.
Host Plants (15)
Adenium obesum Desert Rose, Desert Azalea, Mock Azalea Allium Tapertip Onion Daphne cneorum Garland Daphne, Rock Daphne, Rose Daphne Hibiscus syriacus Rose, of Sharon Shrub, Althea Kerria japonica Japanese Kerria Japanese Rose Rosa acicularis Wild Prickly Rose Rosa gymnocarpa Little Wood Rose, Wood Rose, Baldhip Rose Rosa multiflora Multiflora Rose Rosa nutkana Nootka Rose Rosa pisocarpa Clustered Rose, Swap Rose Rosa rubiginosa Sweetbriar Rose, Eglantine Rose Rosa rugosa Rugosa Rose, Beach Tomato, Sea Tomato Rosa woodsii Woods' Rose Spiraea densiflora Rose, Meadowsweet, Mountain Spirea, Subalpine Spirea Spiraea douglasii Rose, Spirea
Sources & References
Data Maturity Structured Multiple sources. Expert review underway.