2014年安徽省玉米区域试验品种对南方锈病的抗性分析

Identification of Regional Test for Corn Varieties Resistance to Southern Rust in Anhui Province in 2014

采取田间自然诱发鉴定的方法,测定了2014年安徽玉米区域性试验品种对南方锈病的抗性。结果表明,不同玉米品种对南方锈病的抗性存在明显的差异,在112个品种中,大多数表现为抗性或中抗,其中抗性(R)品种占41.96%,达到中抗(MR)水平的品种占37.50%,感病(S)品种的比例为19.64%,高抗(HR)品种仅1个,无高感(HS)品种。

Using the method of natural inducement in field, the resistance of 112 new corn varieties （lines） in regional test in Anhui Province to southern rust was identified in 2014. The results showed that 47 in 112 varieties were ,re- sistant to southern rust, accounted for 41.96%. The varieties with moderate resistance （MR） accounted for 37.50%, 22 varieties were sensibility（S）, only 1 varieties was high resistance （HR）, and no varieties were high sensibility （HS）.