银杏黑斑病的发病规律及药剂防治试验  

Occurrence Regularity and Chemical Controlling Test on the Alternaria tenuis of Ginkgo Biloba

作　　者：江德安[1] 戴余军[1] 

机构地区：[1]孝感学院生命科学技术学院,湖北孝感432100

出　　处：《安徽农业科学》2008年第7期2813-2813,2818,共2页Journal of Anhui Agricultural Sciences

基　　金：湖北省植物病理重点实验室项目(200602)

摘　　要：采用扑海因、施保功、多菌灵、甲基托布津、敌力脱、可杀得等6种化学药剂进行了喷雾防治试验。结果表明,在银杏黑斑病发病期间,从5月25日起每间隔1个月,连续喷药4次后,病情指数均能得到有效地控制,防治效果达66.32%-83.38%。其中,扑海因WP1000倍液和施保功WP1000倍液2种药剂在发病高峰期喷药后防治效果达86.63%和81.78%。The spraying control test was conducted by using iprodione,sporgon,carbendazim,methyl topsin,propriconazole.and cupric hydroxide.The result showed that the disease index could be effectively controlled by continually spraying 4 times in each interval of 1 month since May 25 during the diseased period of Alternaria tenuis of Ginkgo biloba and the efficacy of prevention and cure reached 66.32%～83.38%.Spraying iprodione WP diluted at 1 000 times and Sporgon WP diluted at 1 000 times in high peak period of this disease occurrence could get the efficacy of prevention and cure of 86.63% and 81.78% respectively.

关 键 词：银杏 黑斑病 发生规律 化学防治 

分 类 号：S435.671[农业科学—农业昆虫与害虫防治]