Golden shower tree with Anthracnose: Prevention & Cure
Cassia fistula
Anthracnose on Golden shower tree: What to Know?
Anthracnose on Golden shower tree (Cassia fistula) is a fungal condition with high severity. Golden shower tree 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...
Golden shower tree is a easy-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment.
Unlike bacterial infections, Anthracnose on Golden shower tree can be managed with organic fungicides. Without precautions, chemical treatments for Anthracnose can be harmful to pets. Use organic methods for Golden shower tree in pet-friendly homes.
ð What Does Anthracnose Look Like on Golden shower tree?
- 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 Golden shower tree?
- 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 Golden shower tree?
TLDR: Treat Anthracnose on Golden shower tree with quick treatment (~7 days) or organic (~14 days). Golden shower tree 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 Golden shower tree?
TLDR: Prevent Anthracnose on Golden shower tree 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 Golden shower tree to Prevent Anthracnose?
ð§ How to Water
Water moderately, allowing the substrate to dry out well between waterings. Although drought-tolerant, regular watering during dry periods encourages blooming. Avoid waterlogging, which causes root rot.
âïļ Lighting
It needs full sun, six to eight hours of direct light daily, to grow vigorously and bloom abundantly. It does not thrive indoors or in the shade.
ðŠī Ideal Soil
Prefers fertile, well-drained soils. If the soil is clayey or sandy, amend it with organic matter to improve fertility and drainage. It tolerates a wide pH range (5.5 to 8.0).
Frequently asked questions
Can Anthracnose kill my Golden shower tree?
How long does Golden shower tree take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Golden shower tree?
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
- Golden shower tree (Cassia fistula) Care Guide - Forward Plant
- Golden Shower Tree Care Guide - Plantiary
- Cassia fistula - Wikipedia