芝麻茎秆机械强度与相关性状的研究

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中图分类号 S565.3 文献标识码A文章编号 0517-6611（2025）12-0008-04

doi：10.3969/j.issn.0517-6611.2025.10.003开放科学（资源服务）标识码（OSID）：

CorrelationBetweenStemMechanicalStrengthandStemTraitsinSesame

LIU Mei-ru， ZHANG Xian-mei， ZHANG Quan et al（Luohe Academy of Agricultural Science，Luohe，Henan 462000）

AbstractThe mechanicalstrengthofsesamestalkws testedduringfloweringandcapsularstage，andcoelationanalysisandmultiplere gresionanalysiswerepeforedonteshapeofssamestalkinteodelength，iameterfreshweight，dryweightandplanthighrbological yield.Teresultssowedthattestemmechanicalstrengthofsamesteasnegativelycorelatedwithtelngthofinterode.Testemechanicaltegthofozdtaielatoithtedelhdtelyatatie tionwithte6thiteodengtheehancalstregthofssaestdpositivecoelationwiinteodedameernduozi. stemmechanicaltregthadsigicantposiiecoelatioitdameerofteddthitedameeileLuozioada significant positive correlation with diameter of the 2nd，4th and 5th internods，and extremely significant level with diameter of the 3rd internode.Themechancaltrengthofsesamestwaspositivelyorelatedwithtefreshweightofachinteode，LuoziNo.21stemmhanical strengthassifatlosilelatedirshtfthtede，luoNasifantli latedwiththefreshweightoftendinteode.Tereasaposiecorelationtwenstemmechanicalstrengthandinteodedryweigt， andtherewasasignifcantposiecoelationbetweenstemmechanicalstrengthndtenditeodedryeightofLuoziNo.2.Itepro duction of sesame，should choose the varieties with high plants and thick stems.

KeywordsSesame;Stem;Mechanical strength;Correlatior

倒伏是由多种因素相互作用引发的茎秆从自然直立状态到永久错位的现象，是限制作物生产力的因素之一[]。（剩余4886字）