摘要
为了选育出高产抗性强的玉米(Zea mays L.)品种,对联合体玉米区试的10个品种进行5种病害的抗性鉴定,通过主成分分析法分析玉米主要农艺性状和病害抗性的关系。结果表明,10个品种对茎基腐病和穗腐病的抗性总体都强,对丝黑穗病和矮花叶病的抗性总体都弱;主成分分析综合排名第一的太育184对茎基腐病为高抗,对穗腐病为抗性,对大斑病为中抗,综合抗病性好;综合排名第二的RF1915的玉米产量最高。在玉米选育时要综合考量,选育出适合地域种植的最佳玉米品种。
In order to select maize varieties with high yield and strong resistance,the resistance to five diseases of 10 varieties in the regional trial of combined maize was identified,and the relationship between main agronomic characters and disease resistance of maize was analyzed by principal component analysis.The results showed that the resistance of 10 varieties to stem base rot and ear rot was strong,and the resistance to silk smut and dwarf mosaic was weak;Taiyu 184,which ranked first in principal component analy⁃sis,was highly resistant to stem base rot,resistant to ear rot and moderately resistant to large leaf spot,so it had good comprehensive disease resistance;RF1915,the second highest comprehensive ranking,has the highest corn yield.Comprehensive consideration should be taken in maize breeding to select the best maize variety suitable for regional planting.
作者
郗小倩
李洪
王瑞军
张旭丽
XI Xiao-qian;LI Hong;WANG Rui-jun;ZHANG Xu-li(Crop Research Institute of Alpine Region,Shanxi Agricultural University,Datong 037000,Shanxi,China)
出处
《湖北农业科学》
2022年第4期78-80,84,共4页
Hubei Agricultural Sciences
