



枯萎病
中文 | English |
---|---|
枯萎病 | Fusarium wilt |
病原:尖孢镰刀菌 Fusarium oxysporum f. sp. melongenae | Pathogen: Fusarium oxysporum f. sp. melongenae |
类型:真菌病害 | Type: Fungal disease |
主要症状 Main Symptoms
中文 | English |
---|---|
发病初期:植株下部叶片发黄、萎蔫。 | Early stage: Lower leaves turn yellow and wilt. |
维管束褐变,茎基部切开可见褐色条纹。 | Vascular bundles turn brown; brown streaks visible when stem is cut. |
植株自下而上逐渐萎蔫,最终整株枯死。 | Wilting progresses upward from the bottom, eventually killing the whole plant. |
多在结果期表现严重,造成减产。 | Symptoms are more severe during fruiting stage, leading to yield loss. |
发生规律 Occurrence
中文 | English |
---|---|
病原菌在土壤中和病残体中长期存活。 | The pathogen survives in soil and plant debris for long periods. |
通过根部伤口或自然孔口侵入植株。 | Enters plants through root wounds or natural openings. |
高温干旱或排水不良条件下易发生。 | Incidence is higher under high temperature, drought, or poor drainage. |