Strawberry Prone to Anthracnose: How to Protect
Fragaria x ananassa
Anthracnose on Strawberry: What to Know?
Anthracnose on Strawberry (Fragaria x ananassa) is a fungal condition with high severity. Strawberry 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...
Strawberry is a easy-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment.
Strawberry 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 Strawberry can be managed with organic fungicides.
ð What Does Anthracnose Look Like on Strawberry?
- 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 Strawberry?
- 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 Strawberry?
TLDR: Treat Anthracnose on Strawberry with quick treatment (~7 days) or organic (~14 days). Strawberry has high 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 Strawberry?
TLDR: Prevent Anthracnose on Strawberry 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 Strawberry to Prevent Anthracnose?
ð§ How to Water
Keep the soil consistently moist, especially during flowering and fruiting. Water at the base of the plant to avoid wetting the leaves and fruit, which can encourage fungal diseases.
âïļ Lighting
Prefers full sun for best fruit production but tolerates partial shade. Avoid intense, direct sunlight during the hottest hours of the day in very hot climates.
ðŠī Ideal Soil
Strawberry plants prefer soil rich in organic matter, well-drained, and slightly acidic to neutral. A mix of potting soil, organic compost, and a bit of sand is ideal.
Frequently asked questions
Can Anthracnose kill my Strawberry?
How long does Strawberry take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Strawberry?
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
- NCSU Extension - Fragaria x ananassa
- Missouri Botanical Garden - Fragaria x ananassa Honeoye
- Growables - Strawberry care guide
- Wikifarmer - Strawberry Pests & Diseases
- ILoveFlores - Fragaria x ananassa
- Rebrotar Plantas - Morango