西瓜枯萎病的防治

• 作 者: 毛小明
• 机 构: 玉山县农业局
• 出 处: 江西农业科技
• 发表日期: 1998年06期
• 关键词: 西瓜枯萎病 茎蔓 缢缩 传染途径 结果期 病株根 瓜田 基部 病残体 抗枯萎病

１主要症状及传染途径枯萎病在西瓜全生育期均会发生，而以开花、抽蔓到结果期发病最盛。该病的典型症状是萎蔫。发病初期，病株由根及蔓逐渐萎蔫，似缺水状，中午萎蔫更为明显，早晚尚能恢复，几天后整株叶片枯萎下垂，不再恢复。病株根部腐烂，茎蔓基部稍缢缩。西瓜枯萎...

1 main symptoms and routes of infection Fusarium wilt in the whole growth period will occur, but to flowering, pumping Man to the peak incidence of the disease. The typical symptom of the disease is wilting. Early onset, the diseased plants gradually wilting roots and vines, like water shortages, wilting noon is more obvious, sooner or later still be able to recover, a few days after the whole plant withered leaves withered, no longer recover. Root diseased plant rot, stalk base slightly constricted. Watermelon withered ...