十大功劳白粉病的发生与防治  

Occurrence and Prevention of Powdery Mildew of Mahonia fortunei

作　　者：冯林国 周勤明[2] 朱杰旦 徐绍清[2] FENG Lin-guo(Forest Farm of Cixi City,Cixi,Zhejiang 315315)

机构地区：[1]浙江省慈溪市林场,浙江慈溪315315 [2]浙江省慈溪市林特技术推广中心,浙江慈溪315300 [3]浙江省慈溪市林业技术服务站,浙江慈溪315300

出　　处：《园艺与种苗》2020年第4期17-18,21,共3页Horticulture & Seed

基　　金：浙江省慈溪市农业局科技项目“林木蛀干害虫生物防治技术研究”(201005)。

摘　　要：十大功劳白粉病是十大功劳的严重病害,每年通常有2个发生高峰期。在浙江慈溪,十大功劳白粉病秋季发病率为98.7%,病情指数为75.4。通过合理降低植株密度、改善通风透光条件,增施肥料,加强修剪更新,及时清理病枝枯叶等措施,并结合必要的农药防治,可控制其发生与蔓延。Powdery mildew is one of the most serious diseases of Mahonia fortunei,and it has two peak periods every year.In Cixi City of Zhejiang Province,the incidence of powdery mildew of Mahonia fortunei in autumn was 98.7%,and the disease index was 75.4.Through reasonable reduction of plant density,improvement of ventilation and light transmission conditions,increasing application of fertilizer,strengthening pruning and updating,timely cleaning of diseased branches and dead leaves and other measures,and combining with the necessary pesticide prevention and control,the occurrence and spread of powdery mildew of Mahonia fortunei can be controlled.

关 键 词：十大功劳白粉病 发生规律 感病指数 防治 慈溪 

分 类 号：S436.8[农业科学—农业昆虫与害虫防治]