Scale Insects
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关于这种疾病
Pest damage caused by insects with hard shell-like coverings that attach to leaves and stems and feed on plant sap, potentially weakening the agave. Heavy infestations can affect overall plant vigor.
主要症状
- White or gray-brown small shell-like deposits appear on leaves and stems
- Feeding sites may turn yellow or become sunken
- Overall plant growth slows or declines
- Sooty mold (black sooty deposits) may develop concurrently
主要原因
- Growing in dry conditions that favor scale insects
- Management in poorly ventilated enclosed spaces
- Introduction via other plants or newly purchased specimens
- Ants facilitating the spread of scale insects
预防（栽培环境与日常管理）
Inspect the undersides of leaves and stems of newly purchased plants before introducing them to other plants. Maintain good airflow and inspect regularly for early detection.
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？
A specialist nursery can identify the pest species and guide appropriate responses based on the severity of infestation. Advice on improving the growing environment, such as better airflow and plant spacing, is also available.
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