Diseases
Alternaria Leaf Spot
Identify Alternaria Leaf Spot: symptoms, possible causes, prevention, and practical actions for 2 affected plants. Concentric dark spots on leaves
Alternaria Leaf Spot is relevant across 2 plant profiles on Wild-Wuchs. In the data it is most often linked with Lacinato kale, red cabbage. Typical signs include: Concentric dark spots on leaves
Plants
2
Category
Vegetables
Synonyms
Alternaria Leaf Spot (Alternaria brassicicola, Alternaria brassicae), Alternaria-brassicae, Kohlschwaerze, Kohlschwärze, alternaria-brassicae, kohlschwaerze
Overview
Symptoms
Concentric dark spots on leaves
Damage
Causes dark, concentric spots on leaves and stems, often with a yellow halo. Can lead to premature leaf drop.
Affected plants
Similar topics
FAQ
How do I recognize Alternaria Leaf Spot?
Concentric dark spots on leaves
What causes Alternaria Leaf Spot?
Causes often relate to site conditions, weather, care, plant density, or pest pressure.
How can I prevent Alternaria Leaf Spot?
Prevention starts with suitable site choice, healthy growing conditions, good airflow, and regular checks.
What helps against Alternaria Leaf Spot?
React early, remove affected plant parts, and prefer gentle organic measures where possible.
Which plants are affected?
Lacinato kale, red cabbage
When does Alternaria Leaf Spot usually appear?
Timing depends on plant, weather, and growing conditions; check regularly during stress periods.