摘要
近几年在山东泰安等板栗Castanea mollissima产区发生一种新的叶部病害—板栗褐缘叶枯病Phpmopsis mollissima Y.Z.HUA & S.X.JIANG。病原菌每年只侵染1次,侵染高峰期在8月份,以菌丝体和分生孢子在板栗病叶及冬芽上越冬。选用新型杀菌剂戊唑醇、氟硅唑和咪鲜胺防治该病,防治效果分别为93.4%,90.8%和72.4%。
The brown margin leaf blight in Castanea mollissima occurred seriously in chestnut-producing areas such as Tai＇an in Shandong Province.The pathogen,Phpmopsis mollissima Y.Z.HUA S.X.JIANG infected host once a year and overwintered as mycelium and conidia in leaf and winter buds.The peak of the infection was in August.The control effects of new fungicides tebuconazole,flusilazole and prochloraz on the disease were 93.4%,90.8% and 72.4% respectively.
出处
《中国森林病虫》
北大核心
2010年第5期30-31,共2页
Forest Pest and Disease
基金
泰安市科技发展计划项目(泰计发20075011)
关键词
板栗褐缘叶枯病
板栗
病原菌
发生规律
防治
brown margin leaf blight
Castanea mollissima Blume
Phomopsis mollissima Y.Z.HUA ＆ S.X.JIANG
occurrence regularity
control
