我国苜蓿抗霜霉病的研究进展Ξ.PDFVIP

第 11 卷 　第 1 期 天 津 农 学 院 学 报 Vol 11 ,No1 2004 年 3 月 Journal of Tianjin A gricultural College March ,2004 ( ) 文章编号 :1008 - 5394 2004 01 - 0032 - 05 我国苜蓿抗霜霉病的研究进展 1 1 2 2 韦东胜 ,桂 　枝 ,郑久明 ,唐玉芹 ( 1. 天津农学院 农学系 ,天津 300384 ; 2. 天津市宝坻区农业技术推广服务中心 ,天津 301800) 摘　　　要 :介绍了霜霉病的症状和发生规律及病原菌的生物学特性 ,提出苜蓿霜霉病的防治 更侧重于“防”,更依赖于科学的田间管理与草地利用等综合防治措施 , 即牧草混播、合理施肥、 合理利用、搞好田间卫生、种子处理 ,最后指出了苜蓿育种工作中存在的主要问题。 关 　键 　词 :苜蓿 ; 霜霉病 ; 防治措施 中图分类号: S436. 421. 11 ; S551. 7 　　文献标识码 :A Advances in Researches of Downy Mildew in Alfalfa in China 1 1 2 2 W EI Don gsheng , GU I Zhi , ZHEN G Jiuming , TA N G Y uqin ( 1. Department of Agronomy , Tianjin A gricultural College , Tianjin 300384 , China ; 2. Center of A gricultural Technologies Popularization of Baodi District , Tianjin , Tianjin 301800 , China ) Abstract :The symptoms and the regularities of downy mildew , and the biological characteristics of Peronospora aestivalis Syd. are introduced. So , it is advanced that more attention should bepaid to the ”prevention ”of downy mildew , and much more , to the comprehensive prevention and control countermeasures , such as scientific field management , meadow utilization and so on , that is , mixed sowing , rational fertilizer application , rational utilization of meadows , cleaning out the fields and seed treatment. In the end , some problems and suggestions about alfalfa breeding are raised. Key words :alfalfa ; downy mildew ; prevention and control methods