Anthracnose
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关于这种疾病
A fungal disease causing dark brown to black lesions on leaves and stems. It tends to occur during hot, humid periods and can spread to neighboring leaves if left unmanaged.
主要症状
- Brown to dark brown lesions may appear on leaves, often with a yellow border
- Small dark specks (spore masses) may be visible within lesions
- Lesions may enlarge and merge, discoloring large portions of the leaf
- Symptoms may spread to neighboring leaves or nearby plants
主要原因
- Hot, humid growing conditions (most common during the rainy season and summer)
- Water splashing onto foliage during watering, dispersing fungal spores
- Fungal entry through pruning wounds or physical damage to leaves
- Re-infection from fallen diseased leaves or plant debris left at the base
预防（栽培环境与日常管理）
Water at the soil level to minimize water contact with foliage. Remove fallen leaves and debris from around the base of the plant. Maintain good air circulation and avoid overcrowding.
相关图鉴
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建议几天内处理专卖店·园艺可做的处理？
Specialist nurseries and growers can help assess lesion appearance to identify the disease, advise on proper disposal of removed leaves, and suggest management adjustments for hot and humid seasons.
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