Creeping Woodsorrel with Anthracnose? Rare but Treatable
Oxalis corniculata
Anthracnose on Creeping Woodsorrel: What to Know?
Anthracnose on Creeping Woodsorrel (Oxalis corniculata) is a fungal condition with high severity. Creeping Woodsorrel 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...
Creeping Woodsorrel is a easy-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment. As an indoor plant, ensure good ventilation to aid recovery.
Unlike most plants, Creeping Woodsorrel has natural resistance to Anthracnose. Best treated with preventive measures rather than reactive treatment. Unlike bacterial infections, Anthracnose on Creeping Woodsorrel can be managed with organic fungicides. Without precautions, chemical treatments for Anthracnose can be harmful to pets. Use organic methods for Creeping Woodsorrel in pet-friendly homes.
ð What Does Anthracnose Look Like on Creeping Woodsorrel?
- 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 Creeping Woodsorrel?
- 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 Creeping Woodsorrel?
TLDR: Treat Anthracnose on Creeping Woodsorrel with quick treatment (~7 days) or organic (~14 days). Creeping Woodsorrel 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 Creeping Woodsorrel?
TLDR: Prevent Anthracnose on Creeping Woodsorrel 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 Creeping Woodsorrel to Prevent Anthracnose?
ð§ How to Water
Water every 7 days or when the top 2-3 cm of soil is dry. Avoid overwatering, which promotes root rot and uncontrolled stolon spread.
âïļ Lighting
Thrives in full sun to partial shade. Indoors, place near a bright window. Tolerates light shade but flowers best with a few hours of direct sun.
ðŠī Ideal Soil
Adapts to well-drained soils ranging from sandy to clay. Prefers pH 5.0â7.5. Avoid compacted or waterlogged soils.
Frequently asked questions
Can Anthracnose kill my Creeping Woodsorrel?
How long does Creeping Woodsorrel take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Creeping Woodsorrel?
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
- Como Cultivar e Cuidar de Azedinha - PictureThis
- Oxalis corniculata - NC State Extension
- Oxalis corniculata - RHS