朗伍德王莲腐霉叶腐病的发生与综合防治  

Occurrence of Pythium Leaf Rot Disease on Victoria“Longwood hybrid”and Its Integrated Control

作　　者：殷茜[1] 汪洪江[1] 陈迎晖[1] 窦剑[1] 杨军[1] 朱洪武[1] 

机构地区：[1]江苏省中国科学院植物研究所/南京中山植物园,南京210014

出　　处：《安徽林业科技》2014年第6期50-52,共3页Anhui Forestry Science and Technology

摘　　要：朗伍德王莲是著名的大型热带水生植物,观赏价值高。腐霉叶腐病是由旋柄腐霉导致的朗伍德王莲苗期一种毁灭性病害。本文总结了该病的症状和发病规律,分析了温室育苗的诱病因子,从农业措施和化学防治方面,系统地总结了关键防治技术。Victoria ＂Longwood hybrid＂ is a well-known large tropical aquatic plant of high ornamental value. Pythium leaf rot disease on Victoria water lily is a seedling-stage devastating disease caused by Pythium helicoides. In this paper the symptoms and pathogenesis of the disease were summarized and its predisposing factors in greenhouse seedling-raising were analyzed. Some key control techniques were systematically summarized from the aspects of agricultural measures and chemical control.

关 键 词：朗伍德王莲 腐霉叶腐病 旋柄腐霉 综合防治 

分 类 号：S432.44[农业科学—植物病理学]