Eared willow with Anthracnose? Rare but Treatable
Salix aurita
Anthracnose on Eared willow: What to Know?
Anthracnose on Eared willow (Salix aurita) is a fungal condition with high severity. Eared willow has low susceptibility to this disease. Anthracnose is a fungal disease caused by fungi in the genus Colletotrichum that affects many plants, including vegetables, fruits, and trees. The disease thrives in cool, wet conditions, causing dark...
Eared willow is a easy-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment.
Unlike most plants, Eared willow has natural resistance to Anthracnose. Best treated with preventive measures rather than reactive treatment. Unlike bacterial infections, Anthracnose on Eared willow can be managed with organic fungicides.
ð What Does Anthracnose Look Like on Eared willow?
- âĒ Small irregular yellow or brown spots on leaves
- âĒ Dark sunken lesions on leaves, stems, flowers and fruits
- âĒ Water-soaked lesions that darken as they age
- âĒ Pink gelatinous masses of spores in lesion centers during warm, moist weather
- âĒ Spots that expand and may cover entire leaves
- âĒ Defoliation in advanced stages
â What Causes Anthracnose on Eared willow?
- â Caused by fungi in the genus Colletotrichum
- â Cool wet weather promotes development
- â Optimum temperature between 75-85°F (24-29°C)
- â Foliage wet for extended periods of time
- â Fungi overwinter in seeds, soil and garden debris
- â Spores spread through water droplets
ð How to Treat Anthracnose on Eared willow?
TLDR: Treat Anthracnose on Eared willow with quick treatment (~7 days) or organic (~14 days). Eared willow has low susceptibility to this disease.
Quick Fixes
Remove and discard all visibly infected parts
Remove and discard all visibly infected parts
Apply commercial systemic fungicide (azoxystrobin or mancozeb)
Apply commercial systemic fungicide (azoxystrobin or mancozeb)
Adjust irrigation to avoid wetting foliage
Adjust irrigation to avoid wetting foliage
Second application of systemic fungicide
Second application of systemic fungicide
Assess treatment effectiveness
Assess treatment effectiveness
Organic Treatment
Remove all infected plant parts and discard in plastic bag
Remove all infected plant parts and discard in plastic bag
Apply organic liquid copper spray to all plant surfaces
Apply organic liquid copper spray to all plant surfaces
Switch irrigation regime to drip, avoiding foliage wetting
Switch irrigation regime to drip, avoiding foliage wetting
Second application of copper fungicide or neem oil
Second application of copper fungicide or neem oil
Assess progress and remove any new lesions
Assess progress and remove any new lesions
Final organic fungicide application and ongoing monitoring
Final organic fungicide application and ongoing monitoring
ðĄïļ How to Prevent Anthracnose on Eared willow?
TLDR: Prevent Anthracnose on Eared willow with 8 essential preventive care practices.
- â Implement drip irrigation instead of overhead watering
- â Give plants enough room to breathe and reduce humidity
- â Remove infected plant material after harvest
- â Practice crop rotation between hosts and non-hosts
- â Choose resistant plant varieties when possible
- â Use western grown seeds not exposed to the disease
- â Avoid wetting foliage during watering
- â Ensure good air circulation around plants
ðą How to Care for Eared willow to Prevent Anthracnose?
ð§ How to Water
Water weekly in dry spells during the first year. After that, rain is usually enough unless a drought drags on.
âïļ Lighting
It prefers sun and won't grow in deep shade.
ðŠī Ideal Soil
It likes damp, heavy soil, acidic to neutral, and copes with poor or occasionally flooded ground. It rarely does well on chalk.
Frequently asked questions
Can Anthracnose kill my Eared willow?
How long does Eared willow take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Eared willow?
Sources & References
- Anthracnose: Identification, Prevention & Treatment | Gardening Know How
- Anthracnose: How to Identify, Control, and Prevent Anthracnose | The Old Farmer's Almanac
- Anthracnose Disease: Symptoms, Treatment and Control | Planet Natural
- Anthracnose: Symptoms, Prevention & Treatment Methods
- How to Identify, Treat, and Prevent Anthracnose
- Trees for Life - Eared willow
- Wikipedia - Salix aurita
- PFAF - Salix aurita
- RHS - Salix aurita
- NatureSpot - Eared Willow
- RHS - Willow anthracnose, scab and canker
- RHS - Salix x fragilis (genus pests and diseases)