Naranjilla with Anthracnose: Prevention & Cure

Solanum quitoense

Susceptibility: Moderate Severity: High Difficulty: Medium

Anthracnose on Naranjilla: What to Know?

Anthracnose on Naranjilla (Solanum quitoense) is a fungal condition with high severity. Naranjilla 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...

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

Unlike bacterial infections, Anthracnose on Naranjilla can be managed with organic fungicides.

🔍 What Does Anthracnose Look Like on Naranjilla?

• 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 Naranjilla?

→ 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 Naranjilla?

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

⚡

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 Naranjilla?

TLDR: Prevent Anthracnose on Naranjilla 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 Naranjilla to Prevent Anthracnose?

💧 How to Water

Keep the soil evenly moist but never waterlogged, usually every 2-4 days depending on heat and rain. Drought during flowering and fruit set makes flowers and fruit drop.

☀️ Lighting

Prefers partial shade or overcast conditions, like the forest understory it comes from. Strong midday sun scorches the big leaves; shade cloth or nearby trees help.

🪴 Ideal Soil

Deep, loamy soil rich in organic matter, well drained and slightly acidic (pH 5.5-6.5). Dig in compost or well-rotted manure before planting.

Frequently asked questions

Can Anthracnose kill my Naranjilla?

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

How long does Naranjilla 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 Naranjilla?

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

See more: Naranjilla → See more: Anthracnose →