London plane Prone to Anthracnose: How to Protect

Platanus × hispanica

Susceptibility: High Severity: High Difficulty: Medium

Anthracnose on London plane: What to Know?

Anthracnose on London plane (Platanus × hispanica) is a fungal condition with high severity. London plane has high 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...

London plane is a medium-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment.

London plane is highly susceptible to Anthracnose, unlike most plants in the same family. Without early intervention, recovery takes 21 days instead of 14 days. Unlike bacterial infections, Anthracnose on London plane can be managed with organic fungicides.

🔍 What Does Anthracnose Look Like on London plane?

• Small irregular yellow or brown spots on leaves
• Dark sunken lesions on leaves, stems, flowers and fruits
• Water-soaked lesions that darken as they age
• Pink gelatinous masses of spores in lesion centers during warm, moist weather
• Spots that expand and may cover entire leaves
• Defoliation in advanced stages

❓ What Causes Anthracnose on London plane?

→ Caused by fungi in the genus Colletotrichum
→ Cool wet weather promotes development
→ Optimum temperature between 75-85°F (24-29°C)
→ Foliage wet for extended periods of time
→ Fungi overwinter in seeds, soil and garden debris
→ Spores spread through water droplets

💊 How to Treat Anthracnose on London plane?

TLDR: Treat Anthracnose on London plane with quick treatment (~7 days) or organic (~14 days). London plane has high susceptibility to this disease.

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Quick Fixes

Remove and discard all visibly infected parts

Apply commercial systemic fungicide (azoxystrobin or mancozeb)

Adjust irrigation to avoid wetting foliage

Second application of systemic fungicide

Assess treatment effectiveness

🌿

Organic Treatment

Remove all infected plant parts and discard in plastic bag

Apply organic liquid copper spray to all plant surfaces

Switch irrigation regime to drip, avoiding foliage wetting

Second application of copper fungicide or neem oil

Assess progress and remove any new lesions

Final organic fungicide application and ongoing monitoring

🛡️ How to Prevent Anthracnose on London plane?

TLDR: Prevent Anthracnose on London plane with 8 essential preventive care practices.

✓ Implement drip irrigation instead of overhead watering
✓ Give plants enough room to breathe and reduce humidity
✓ Remove infected plant material after harvest
✓ Practice crop rotation between hosts and non-hosts
✓ Choose resistant plant varieties when possible
✓ Use western grown seeds not exposed to the disease
✓ Avoid wetting foliage during watering
✓ Ensure good air circulation around plants

🌱 How to Care for London plane to Prevent Anthracnose?

💧 How to Water

Water deeply every 7-14 days during the first 2-3 years after planting. Once established, the tree is drought-tolerant and typically requires supplemental watering only during prolonged dry spells. Avoid waterlogging.

☀️ Lighting

Plant in full sun with at least 6 hours of direct sunlight per day. Tolerates partial shade but growth will be slower. Exceptionally well-adapted to urban light conditions including reflected heat and air pollution.

🪴 Ideal Soil

Prefers fertile, loamy, well-drained soils with pH 6.0-7.5. Tolerates clay, chalk, sand, and compacted urban soils. Avoid permanently waterlogged conditions.

Frequently asked questions

Can Anthracnose kill my London plane?

Yes, without treatment, Anthracnose can be fatal to London plane. Early detection and treatment are key.

How long does London plane take to recover from Anthracnose?

With proper treatment, recovery takes approximately 14 days. Without treatment, it can take significantly longer.

Is Anthracnose contagious to other plants near London plane?

Yes, Anthracnose can spread to nearby plants. Isolate the affected London plane immediately.

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