Water-Lily Anthurium with Anthracnose: Prevention & Cure
Anthurium nymphaeifolium
Anthracnose on Water-Lily Anthurium: What to Know?
Anthracnose on Water-Lily Anthurium (Anthurium nymphaeifolium) is a fungal condition with high severity. Water-Lily Anthurium has moderate 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...
Water-Lily Anthurium is a medium-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment. As an indoor plant, ensure good ventilation to aid recovery.
Unlike bacterial infections, Anthracnose on Water-Lily Anthurium can be managed with organic fungicides. Without precautions, chemical treatments for Anthracnose can be harmful to pets. Use organic methods for Water-Lily Anthurium in pet-friendly homes.
ð What Does Anthracnose Look Like on Water-Lily Anthurium?
- 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 Water-Lily Anthurium?
- 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 Water-Lily Anthurium?
TLDR: Treat Anthracnose on Water-Lily Anthurium with quick treatment (~7 days) or organic (~14 days). Water-Lily Anthurium has moderate 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 Water-Lily Anthurium?
TLDR: Prevent Anthracnose on Water-Lily Anthurium 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 Water-Lily Anthurium to Prevent Anthracnose?
ð§ How to Water
Water approximately every 7 days when the top 3-4 cm of soil are dry. Avoid waterlogging â always use a pot with drainage holes. Reduce watering frequency in winter.
âïļ Lighting
Prefers bright indirect light between 2,000 and 10,000 lux. Avoid direct sun which can scorch the large leaves. Best placed near an east- or north-facing window with filtered light.
ðŠī Ideal Soil
Use a well-draining, organic-rich mix: combine orchid bark, perlite, and peat or coco coir. Ideal pH between 5.5 and 6.5.
Frequently asked questions
Can Anthracnose kill my Water-Lily Anthurium?
How long does Water-Lily Anthurium take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Water-Lily Anthurium?
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
- Common Anthurium Diseases - Plants For All Seasons
- Anthurium nymphaeifolium Care - Greg App