垄间套种玉米对东当归产量和抽薹的影响姚玉玲1,杨迎春1,李云飞1,李蓉芳1,杨昊2,费甫华1,李念祖1∗(1.宜昌市农业科学研究院,湖北宜昌443004;2.平村众赢(湖北)药业有限公司,湖北宜昌443100)摘要以东当归为试验材料,研究不同玉米套种株距和行距对其产量和抽薹的影响。结果表明,东当归垄间套种玉米株行距为1m×3m时,产量相对最高,为12882.6kg/hm2,较最低产量增产32.99%,且抽薹率较低,为0.87%;东当归抽薹率在套种玉米株行距为0.75m×2.00m时最高,达2.17%。东当归抽薹率随着玉米套种株行距的增大呈“低—高—低”趋势。合理控制垄间套种玉米株距和行距,能有效提高东当归产量,控制抽薹,达到绿色生产、增产增收的目的。关键词垄间套种;玉米;东当归;抽薹中图分类号S344.3文献标识码A文章编号0517-6611(2023)03-0041-03doi:10.3969/j.issn.0517-6611.2023.03.009开放科学(资源服务)标识码(OSID):EffectsofInterplantingMaizeBetweenRidgesonYieldandBoltingofAngelicaacutilobaYAOYu-ling,YANGYing-chun,LIYun-feietal(YichangAcademyofAgriculturalSciences,Yichang,Hubei443004)AbstractAngelicaacutiloba(Sieb.etZucc.)Kitagawawasusedtostudytheeffectofdifferentplantingspacingandrowspacingwheninter-plantingmaizeonitsyieldandbolting.Theresultsshowedthatwhentheplantingspacingandrowspacingwas1m×3m,theyieldwasthehighest(12882.6kg/hm2),whichincreasedby32.99%comparedwiththelowestyield,andtheboltingratewaslower(0.87%).Thebol-tingrateofA.acutilobawasthehighestwhentheplantspacingandtherowspacingofinterplantedmaizewas0.75m×2.00m,reaching2.17%.TheboltingrateofA.acutilobapresentedalow-high-lowtrendwiththeincreaseofmaizeinterplantingspacing.WefoundthattheyieldofA.acutilobacouldbeincreasedeffectivelyandtheboltingcouldbecontrolledbyreasonablycontrollingtheplantspacingandrowspacingofinterplantingmaizebetweenridges,soastoachievethegoalofgreenproductionandincreasingyieldandincome.KeywordsInterplantingbetweenridges;Maize;Angelicaacutiloba;Bolting基金项目湖北省农业科技创新中心2020年重大科技研发专项(2020-620-000-002-04);宜昌市科技计划项目(A21-4-020)。作者简介姚玉玲(1988—),女,湖北宜昌人,农艺师,硕士,从事中药材栽培与生理研究。∗通信作者,农艺师,硕士,从事中药材栽培与生理研究。收...