Chinese privet Prone to Anthracnose: How to Protect
Ligustrum sinense
Anthracnose on Chinese privet: What to Know?
Anthracnose on Chinese privet (Ligustrum sinense) is a fungal condition with high severity. Chinese privet 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...
Chinese privet is a easy-care plant. Recovery from Anthracnose takes approximately 14 days with proper treatment.
Chinese privet 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 Chinese privet can be managed with organic fungicides. Without precautions, chemical treatments for Anthracnose can be harmful to pets. Use organic methods for Chinese privet in pet-friendly homes.
ð What Does Anthracnose Look Like on Chinese privet?
- 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 Chinese privet?
- 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 Chinese privet?
TLDR: Treat Anthracnose on Chinese privet with quick treatment (~7 days) or organic (~14 days). Chinese privet 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 Chinese privet?
TLDR: Prevent Anthracnose on Chinese privet 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 Chinese privet to Prevent Anthracnose?
ð§ How to Water
Water thoroughly when the top inch of soil feels dry. Do not allow the root ball to dry out completely, especially in summer.
âïļ Lighting
Prefers full sun for the densest foliage and best flowering, but can tolerate partial shade.
ðŠī Ideal Soil
Adaptable to most soil types, but prefers a fertile, well-draining loamy soil.
Frequently asked questions
Can Anthracnose kill my Chinese privet?
How long does Chinese privet take to recover from Anthracnose?
Is Anthracnose contagious to other plants near Chinese privet?
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
- NC State Extension - Ligustrum sinense
- Texas Plant Disease Handbook - Ligustrum
- Clemson HGIC - Ligustrum
- PictureThis - Ligustrum sinense
- NC State - Pests of Ligustrum