细菌性叶斑病 Bacterial Leaf Spot
| 中文 | English |
|---|---|
| 基本信息 | Basic Information |
| 中文名：细菌性叶斑病 英文名：Bacterial Leaf Spot 病原：Xanthomonas campestris pv. vesicatoria 类型：细菌病害 | Chinese name: 细菌性叶斑病 English name: Bacterial Leaf Spot Pathogen: Xanthomonas campestris pv. vesicatoria Type: Bacterial disease |
| 主要症状 | Main Symptoms |
| 叶片出现小水渍状病斑，逐渐扩大成褐色或黑色坏死斑。果实上出现凹陷黑斑，严重影响商品性。 | Leaves develop small water-soaked lesions, enlarging into brown or black necrotic spots. Fruits show sunken black lesions, reducing marketability. |
| 发生规律 | Epidemiology |
| 细菌可在种子、土壤、病残体中存活，高温高湿环境利于流行。 | Survives in seeds, soil, and debris. Outbreaks favored by warm, humid conditions. |