coronavirus
Rust in Crab Apple
How to identify and treat rust in Crab Apple.
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Crab Apple care requirements
water
Moderate watering during growing season; water deeply but infrequently; drought-tolerant once established.
soil
Well-drained loam or sandy soil; pH 6.0–7.5; tolerates slightly acidic to neutral conditions.
light
Full sun; requires at least 6 hours of direct sunlight for optimal flowering and fruiting.
symptoms
Symptoms to look for in Crab Apple
- fiber_manual_recordOrange or brown pustules on leaf undersides
- fiber_manual_recordYellow spots on leaf tops
- fiber_manual_recordPremature leaf drop
help
Common causes in Crab Apple
Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.
healing
How to treat rust in Crab Apple
Remove and destroy infected leaves. Apply copper or sulphur fungicide.
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Preventing rust in Crab Apple
Avoid overhead watering. Space plants adequately. Clear debris.