河南省珍珠豆型花生主要农艺性状与单株生产力的相关及通径分析-论文.pdf

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1、安徽农业科学，JournalofAnhuiAgri．Sei．2014，42(5)：1306—1307，1310责任编辑姜丽责任校对李岩河南省珍珠豆型花生主要农艺性状与单株生产力的相关及通径分析范小玉，陈雷，李可，吴继华(商丘市农林科学院，河南商丘476000)摘要[目的]为河南省珍珠豆型花生育种提供理论参考依据。[方法]对河南省18个珍珠豆型花生品种农艺性状与单株生产力进行相关及通径分析。[结果]相关分析表明，百果重、百仁重与单株生产力呈显著正相关；主茎高、侧枝长、总分枝数、结果枝数、单株结果数、饱果率与单株生产力呈正相关，但是出米率与单株生产力呈负

2、相关。通径分析表明，各性状对单株生产力的直接贡献大小顺序为：主茎高>百果重>单株结果数>百仁重>饱果率>总分枝数>结果枝数>出米率>侧枝长。[结论]河南省珍珠豆型花生育种应选择单株结果数多，百果重、百仁重、主茎高和侧枝长适宜，总分枝数、结果枝数和饱果率相协调的品种。关键词花生；珍珠豆型；农艺性状；相关分析；通径分析中图分类号S565．2文献标识码A文章编号0517—6611(2014)05—01306—02CorrelationandPathAnalysisofMainAgronomicCharactersandProductivityPerPlan

3、tofPearBeanTypePeanutofHenanProv-inceFANXiao-yu，WUJi-huaetal(ShangqiuCollegeofAculturalScience，Shangqiu，Henan476000)Abstract『Objective]TheaimwastoprovideatheoreticalreferencebasisforbreedingofpearbeantypepeanutinHenanProvince．[Meth-od]Agronomiccharactersandproductivityof18pearb

4、eantypepeanutcuhivarsofHenanProvincewereanalyzedbycorrelationandpathc0ef-ficientanalysis．『Result]Thecorelationanalysisresultsshowedthatthe100一podand100一seedwei．ghtwerepositivesignificantcorelationwiththeproductivityperplant；theproductivityperplanthadapositivecorelationwithsixch

5、aracteristics，includingmainstemheight，lateralbranchlength．thenumberoftotalbranches。thenumberoffruitingbranches，thepodnumberperplantandfull—podrate，whileanegativecorrelationwithshellingpercentage．Theanalysisresultsofpathcoefficientshowedthatthedirectcontributionrateofdiferenttra

6、itstothepro—duetivityperplantwasinorder：themainstemheight>100podsweight>podnumberperplant>100seedsweight>thefull—podrate>thenumberoftotalbranches>thenumberoffruitingbranches>shellingpercentage>lateralbranchlength．[Conclusion]Whenbreedingthepearbeantypepeanuteultivars，thepeanutc

7、ultivarshouldbeselectedthathavemorepodnumberperplant，appropriate100一podweight，100一seedweight．mainstemheightandlateralbranchlength，coordinatedthenumberoftotalbranches，thenumberoffruitingbranchesandthefull—podrate．KeywordsPeanut；Pearbeantype；Agronomiccharacters；Corelationanalysis

8、；Patheoeffieientanalysis河南省是我国花生生产大省，常年花生种植面积100万别为远杂5