| 河北省早熟夏玉米性状相关及通径分析 |
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| 引用本文： | 肖荷霞,陈建忠,王振明.河北省早熟夏玉米性状相关及通径分析[J].河北科技师范学院学报,1999(1). |
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| 作者姓名： | 肖荷霞 陈建忠 王振明 |
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| 作者单位： | 河北省沧州市农林科学院，河北省沧州市农业学校 |
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| 摘 要： | 利用相关及通径分析的方法，对河北省早熟夏玉米品种区试资料进行分析。认为选育早熟、丰产、适应性广泛的玉米杂交种应重点对千粒重和穗行数进行正向直接选择；对穗位、秃尖进行负向直接选择；同时要协调好各性状间的遗传相关关系。对其它性状如出籽率、穗长、株高宜进行间接选择，选择不宜过严。
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| 关 键 词： | 早熟夏玉米 农艺性状 相关分析 通径分析 |
CORRELATIONANDPATHANALYSISONAGRONOMICCHARACTERSOFEARLYMATURINGSUMMERMAIZEINHEBEI PROVINCE |
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| XiaoHexiaChenJianzhong.CORRELATIONANDPATHANALYSISONAGRONOMICCHARACTERSOFEARLYMATURINGSUMMERMAIZEINHEBEI PROVINCE[J].Journal of Hebei Normal University of Science & Technology,1999(1). |
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| Authors: | XiaoHexiaChenJianzhong |
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| Abstract: | ThedataofearlymaturingsummermaizeinregionaltestinHebeiprovincewereanalyzedusingthemethodofcorrelationandpathanalysis.Theresultsshowedthatthepositiveimmediateselectionshouldbecarriedoutforthousandgrainweightandheadprogenyrowinbreedingofmaizehybridspecieswithcharactersofearlymaturing,highyieldandwideadaptability,andthenegativeimmediateselectionforbaldheadandspikelocality.Meanwhile,thegeneticrelationshipbetweencharactersshouldbepaidmuchattentionto.Theindirectselectionshouldbeappliedtoothercharacterssuchasrateofseed,lengthofearandheightofsproutsandsoon,butnottobestrict. |
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| Keywords: | earlymaturingsummermaize agronomiccharacter correlationanalysis pathanalysis |
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