山东省玉米主导品种抗南方锈病鉴定及对灾情的影响  

Resistance Identification of the Leading Corn Cultivarsto Southern Corn Rust in Shandong Province and Analyzing Its Effect on Disaster

作　　者：鄢洪海 王琰 张茹琴 宋希云 王志奎 夏淑春 YAN Hong-hai;WANG Yan;ZHANG Ru-qin;SONG Xi-yun;WANG Zhi-kui;XIA Shu-chun(College of Plant Health and Medicine,Qingdao Agricultural University,Qingdao 266109;Qingdao Plant Protection Station,Qingdao 266100;Peanut Research Institute in Shandong Province,Qingdao 266101,China)

机构地区：[1]青岛农业大学植物医学学院,山东青岛266109 [2]山东省乳山市农业局,山东青岛266100 [3]即墨市农业局,山东青岛266201

出　　处：《玉米科学》2019年第6期175-180,共6页Journal of Maize Sciences

基　　金：国家重点研发计划课题“鲁东夏玉米化肥农药减施增效技术集成与示范”(2018YFD0200603);山东省自然科学基金项目(ZR2011CL005);山东省“泰山学者”建设工程专项(BS2009NY040)

摘　　要：采用田间跟踪调查和离体接种方法测定玉米品种对南方锈病的抗性,分析近年来山东省主推玉米品种对南方锈病的抗性及变化情况,探寻建立一种实用、快速检测寄主抗锈性和锈病菌致病性变异的鉴定技术。结果表明,供试玉米品种多为感病或高感南方锈病品种,2014~2016年山东省主推玉米品种尤其是骨干品种都是连续多年种植的品种,每年更新的品种数量少于2~3个,而且与黄淮海地区主推玉米品种重复率较高,这可能是导致近年来本地区玉米南方锈病逐年加重甚至流行的重要原因。In order to find a practical and rapid method for detecting corn resistance to southern corn rust, the pathogenicity variation of the pathogen, and accurately understanding the resistance of leading maize cultivars to southern rust in Shandong province in recent years, field investigation and in vitro inoculation methods were used to determine southern rust resistance. The results showed that, the leading maize cultivars in Shandong province in 2014-2016 were mostly susceptible or highly susceptible to the rust, and the leading cultivars were continuously planted for many years, and the annual renewal cultivars were less than 2-3. Moreover, they had a high repetition rate with the leading cultivars in Huang-Huai-Hai region, this might be an important reason for the rust becoming serious even epidemic year by year. There was no unified method for identifying maize resistance to southern corn rust in China, which was very disadvantageous to cultivating, popularizing and utilizing of rust resistant cultivars,and controlling the disease.

关 键 词：玉米 玉米南方锈病 山东省主推品种 抗性测定 灾变分析 

分 类 号：S435.131[农业科学—农业昆虫与害虫防治]