东北玉米杂交种对茎腐病的抗性鉴定  

Resistance Identification to Stalk Rot of Maize Hybrids in Northeast China

作　　者：付立新[1] 杨剑飞[1] 胡少新[1] 龚士琛[1] 李国良[1] 扈光辉[1] 王明泉[1] 王志国 李永刚[2] FU Lixin;YANG Jianfei;HU Shaoxin;GONG Shichen;LI Guoliang;HU Guanghui;WANG Mingquan;WANG Zhiguo;LI Yonggang(Maize Research Institute,Heilongjiang Academy of Agriculture Sciences,Harbin Heilongjiang 150086;Northeast Agricultural University,Harbin Heilongjiang 150038)

机构地区：[1]黑龙江省农业科学院玉米研究所,黑龙江哈尔滨150086 [2]东北农业大学,黑龙江哈尔滨150038

出　　处：《现代农业科技》2023年第10期30-33,共4页Modern Agricultural Science and Technology

基　　金：黑龙江省农业科学院创新工程项目(2021YYYF028);黑龙江省省属科研院所科研业务费项目(CZKYF2022-1-C007)。

摘　　要：采用田间人工接种鉴定方法,对50份玉米杂交种进行抗性鉴定。结果表明:玉米杂交种接种病原菌后,均有不同程度的茎腐病发生;表现高抗、抗、中抗、感、高感的杂交种分别为9份、11份、6份、11份、13份,占比分别为18%、22%、12%、22%、26%;抗性水平较好的杂交种共有26份,占比52%。Using field artificial inoculation identification method,resistance identification to stalk rot of 50 maize hybrids was conducted.The results showed that after inoculation with pathogenic bacteria,maize hybrids all experienced varying degrees of stalk rot;the hybrid varieties with high resistance,resistance,medium resistance,sensitivity,and high sensitivity were 9,11,6,11,and 13,accounting for 18%,22%,12%,22%,and 26%,respectively;there were 26 hybrid varieties with good resistance levels,accounting for 52%.

关 键 词：玉米 杂交种 茎腐病 抗性鉴定 东北 

分 类 号：S513[农业科学—作物学] S435.131