大麦与谷类科学2023年第40卷第2期[2]李金霞,何长安,王海玲,等.黑龙江省玉米产业发展现状及展望[J].农业展望,2020,16(1):67-70.[3]孙丽萍,张思奇,赵同雪,等.2016年黑龙江省玉米大斑病调查与分析[J].东北农业科学,2017,42(4):36-38.[4]张瑞敬,罗晓苹,李登来,等.玉米病害的调查[J].农家参谋,2018(9):75.[5]贾冰.玉米茎腐病的发生与防治[J].新农业,2021(16):51.[6]张文瑜.田间玉米病害防治与种植技术应用研究[J].世界热带农业信息,2022(6):57-58.[7]靳英杰,李鸿萍,安盼盼,等.玉米抗倒性研究进展[J].玉米科学,2019,27(2):94-98,105.EvaluationoftheAdaptabilityoftheNewEarly-maturingMaizeVarietyHeikeyu17inNorthernHeilongjiangCHENHaijun(HeiheBranchofHeilongjiangAcademyofAgriculturalSciences,Heihe164399,China)Abstract:ThenewmaizevarietyHeikeyu17wasselectedandbredbyHeiheBranchofHeilongjiangAcademyofAgriculturalSciencesin2013.ItpassedtheappraisaloftheNationalCropAppraisalCommitteespecializedinMaizeVarietiesin2021,withtheaccreditationnumber“Guoshenyu20210157”.In2022,theadaptabilityofHeikeyu17wasassessedinfieldtrialsconductedonsixsites:Bei'an,Aihui,Nenjiang,Heshan,Jianshan,andKeshan.Theresultsshowedthatitsagronomictraitsvariedwithsite,withvariationrangesof259-269cmforplantheight,77-86cmfortheheightofearposition,1.6%-5.4%forthepercentageofhollowstalks,19.3-22.2cmforpaniclelength,4.9-5.6cmforpaniclediameter,0.8-3.2cmforthelengthofearbarrentip,14.0-15.4forthenumberofpaniclerow,37.00-43.00forkernelnumberperrow,31.6-35.7gfor100-kernelweight,75.6%-79.8%forkernelyield,and9082.5-12608.6kg/hm2foryield.ThisvarietyshowedthebestperformanceinvariousagronomictraitsandyieldinKeshanCountyamongthesixsites;ontheotherhand,itshowedstrongstemstrengthanddiseaseresistanceonallthesites,withoutlodgingoccurringoneachsite.Inconclusion,thisvarietyissuitableforplantinginthelowerlimitofthethirdaccumulatedtemperaturebeltandtheupperlimitofthefourthaccumulatedtemperaturebeltinHeilongjiangProvince.KeyWords:Maize;Heikeyu17;NorthernHeilongjiang;Adaptability■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■...
