河西走廊地区不同玉米杂交种材料的性状分析及综合评价

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关键词：玉米杂交种；性状分析；产量；综合评价；河西走廊地区

中图分类号：S513 文献标志码：A 文章编号：2097-2172（2025）06-0524-07

doi：10.3969/j.issn.2097-2172.2025.06.006

Trait Analysis and Comprehensive Evaluation of Different Maize Hybrids in the Hexi Corridor

ZHANG Zhengjie， YANG Guohua， GUO Ruihong， CHENG Kaihua， YANG Wenxia， MA Zhenglong （Jiuquan Academy of Agricultural Sciences， Jiuquan Gansu 735ooo， China）

Abstract：Byanalyzing thetraitsof maize hybridsintheHexi Coridorregion，thisstudyaims toenhance theaccuracyof inovativeutilizationofmaizegermplasmresources，scientifcallmatchparentallines，andtherebyimprovetheeficiencyofelite varietybreeding.2Omaizehybridswerecomprehensivelyanalyzedfordiseaseresistance，yield，ndyield-relatedtraitsusing methodsincludingclusteranalysis，greyrelationalanalysis，andmembershipfunctionevaluation.Resultsshowed thatstemrotwas the primary disease affecting maize hybrids in the Hexi Corridor，with natural incidence rates ranging from 0% to 90.0% ，and the highesticidenceobservedinthehybridE9706-121Xian38.Thecontributionofyield-relatedtraits tomaizeyield，indescending order，waseardiameter，hundred-kerelweight，numberofkernelrowsperar，kernelsetingrate，numberofkemelsperrow， barrentiplength，andlodgingrate.Clusteranalysiscategorizedthe20hybridsinto3groups.GroupIincluded11medium-yield hybridssuchas5874，56C5617，meia3（entrolriety）5821658JB8 × （204号 J4CV3，3358×J4CV2BC，Jiu714×723，658BC0×723，andEr9706-121×723.Group I included8low-yieldhybridssuch as91M9 × Xian38，Er9706-121×Xian38，Er9706-121×F20，Huaqing105 I × 3358，XD6CR × Er9706-121，J765 × 723，3358 × 1CPSBC3，and J765×Jiu14.GouplincludedonlyHeyul87（tescondcontrolvariety），characteredasigielding.Temembershipfuctio was used for comprehensive evaluation of maize yield and key traits. The D -values of thehybridsranged fromO.265 to 0.693，with Heyu187（the second control variety），3358xJ4CV2BC，658BC0×723，and Jiu714x723 exhibiting higher D -values and overall superior performance，indicating potential for further breeding trials.

KeyWords：Maize hybrid; Trait analysis;Yield; Comprehensive evaluation; Hexi Corridor region

玉米（ZeamaysL.）是保障国家粮食安全的重要支撑，在耕地资源有限的条件下，增加玉米产量的首要因素是提升单产水平[1-2]。（剩余7289字）