摘要
通过制作切片、病组织分离培养及单孢分离、接种试验等 ,确定引起金叶女贞叶斑病的病原菌为Corynesporasp .。此病在上海始发期为 4月下旬 ,高峰期为 7～ 8月和 10月。发病率和株密度在一定程度上呈正比关系。 80 %大生可湿性粉剂是防治此病较好的药剂。
The pathogen of leaf spot of Ligustrum vicaryi was identified as Corynespora sp.after microscope inspection,isolation of infected tissue,single spore isolation and inoculation.The disease first appeared in the end of April with a peak in July,August and October in Shanghai.The disease was more serious in July and August than in October.The investigation revealed that incidence rate of leaf spot is positive related to planting density.The control experiment in lab and field showed that 80% Dithane M-45(mancozeb)had the best effect.
出处
《中国森林病虫》
北大核心
2002年第5期12-14,共3页
Forest Pest and Disease
基金
上海市科委重点科技项目 (批准号 0 12 912 0 2 8)
上海市园林局青年课题 ( 99青 0 8号 )
