红栀子褐斑病的发生与防治  

Occurrence and control of gardenia leaf-spot

作　　者：李国元 邓青云 

机构地区：[1]孝感农学院园艺系,湖北孝感432100 [2]孝感农学院生物系,湖北孝感432100

出　　处：《中国森林病虫》2003年第6期23-24,共2页Forest Pest and Disease

摘　　要：红栀子褐斑病Phyllostictaspp 主要危害植株的中、下部叶片形成褐斑 ,严重时叶片枯萎脱落。病菌以菌丝体或分生孢子器在病落叶或病叶上越冬 ,每年 3— 11月病害都可发生。气温在 2 5℃以上 ,病害发生严重。 5 0 %多菌灵WP 10 0 0倍 ,30 %利德隆悬浮剂 2 5 0 0倍对红栀子褐斑病有较好的防治效果 ,连续施药 3次后防治效果 90Gardenia leaf-spot mainly infected the middle and lower leaves of Gardenia jasminoides Ellis making the leaves blotchy and withered.The disease occurred from March to November and became serious when the temperature was over 25 ℃.The pathogen(Phyllosticta gardenicola Saw.,P.gardeniae Tassi)overwintered as conidiocarp or hyphostroma on the infected leaves.The result of the test showed that the control effect was over 90% when 50% Carbendazim WP(diluted 1 000 times)and 30% LDN flowable formulation(diluted 2 500 times)were sprayed three times.

关 键 词：红栀子 褐斑病 发生 防治 

分 类 号：S763.15[农业科学—森林保护学]