辽宁省120份引种玉米品种对5种主要病害的抗性鉴定分析

Analysis of Resistance Identification of 120 Introduced Maize Varieties to 5 Major Diseases in Liaoning Province

对辽宁省120份引种玉米品种同步进行玉米大斑病、灰斑病、丝黑穗病、镰孢菌茎腐病和穗腐病田间抗性鉴定。结果表明,供试引种玉米品种对辽宁玉米产区5种主要病害的抗病性表现总体较好,未发现高感品种且均表现出良好的多抗性,尤其对玉米镰孢菌茎腐病和穗腐病抗性表现较好。

The field resistance of 120 maize varieties introduced in Liaoning Province was determined by simultaneous identification of maize large spot,grey spot,head smut,fusarium stem rot and ear rot.The results showed that the introduced maize varieties showed good resistance to 5 major diseases in Liaoning,and no high susceptibility varieties were found,and all showed good multi-resistance,especially the resistance to stem and ear rot of maize Fusarium.