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Brush cherry > Leaf blotch
What Causes Leaf Blotch in Brush cherry?
Brush cherry, also known as Australian water-pear, Scrub cherry, Creek satinash
Leaf blotch is a fungal disease affecting Brush cherry, characterized by discolored, often necrotic spots on leaves, hampering photosynthesis and plant vigor.

Symptom Analysis

Affected Brush cherry exhibit irregular brown or black spots on leaves, defoliation, and reduced growth. Severe infections can lead to withering branches.
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What Causes Leaf blotch Disease on Brush cherry?

Fungal Pathogens
Leaf blotch is primarily caused by various fungal pathogens that thrive in wet, humid conditions.
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How to Treat Leaf blotch Disease on Brush cherry?

Non pesticide
Prune Infected Areas: Trim out infected branches and leaves to prevent spread.

Improve Air Circulation: Space plants accordingly and prune to enhance air flow, reducing fungal proliferation.
Pesticide
Fungicidal Sprays: Apply fungicides containing chlorothalonil or copper-based products following label instructions.

How to Prevent Leaf blotch on Brush cherry?

Proper Plant Hygiene
Disinfect pruning tools and remove fallen foliage to minimize fungal spores.
Watering Practice
Water at the base of Brush cherry, avoiding foliage wetness which promotes fungal diseases.
Fungicide Application
Treat with preventative fungicides during vulnerable periods.
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When is Leaf blotch Most Active Period on Brush cherry?

The disease is most active in spring and summer, due to favorable warm and humid weather conditions for fungal growth.

Infectivity

The disease can spread rapidly through spore dispersal if not controlled.

Lethality

Can cause significant damage but is often non-lethal if managed promptly.

FAQs on Brush Cherry

Can leaf blotch kill Brush cherry?
Leaf blotch can cause significant stress and, if severe and untreated, can potentially be lethal to Brush cherry.
How do I identify leaf blotch on Brush cherry?
Look for irregular spots and blotches on the leaves, ranging from brown to black in color.
Is leaf blotch contagious to other plants?
Yes, spores can travel by wind or water, infecting nearby plants.
How often should I apply fungicide to control leaf blotch?
Follow label recommendations, typically at the onset of the disease or as a preventive measure in the disease's active seasons.
Can pruning help manage leaf blotch?
Yes, pruning infected material and ensuring good air circulation are key in managing the spread of the disease.
Should I destroy Brush cherry affected by leaf blotch?
Not necessarily. If caught early, the disease can often be managed without destroying the plant.
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