Journal of Applied Biological Sciences | |
Genetic Variation, Heritability and Path Analysis of Summer Rapeseed Cultivars | |
Engin KINACI1  Zehra AYTAÇ1  Gülcan KINACI1  | |
关键词: summer rapeseed; yield; genetic variation; heritability; correlation; path analysis; | |
DOI : | |
学科分类:生物科学(综合) | |
来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente | |
【 摘 要 】
Sixspringrapeseedvarietieswerestudiedforvariability,heritability,geneticadvance,correlationandpathanalysisofseedyieldandyieldcomponents.Significantdifferencesdeterminedamonggenotypesformostofthetraitsindicatedthatthereissufficientvariabilityavailabletomakeeffectiveselections.Genotypicandphenotypicvarianceswerehighestforseedyieldperplantfollowedbyseedyield.Broadsenseheritabilityestimatesrangedfrom0.87to0.99.Highheritabilitywithlowgeneticadvanceofplantheightandpodlengthindicatedtheinfluenceofdominantandepistaticeffectsofthesetraits.Highheritabilityofseedyieldperplant,seedyield,podspermainstemcoupledwithhighgeneticadvancerevealedthatadditivegeneeffectsareimportantindeterminingthesecharactersandcouldbeimprovedthroughmassselection.Positiveandsignificantcorrelationofseedyieldwithplantheight,podspermainstem,seedsperpodandseedyieldperplantindicatedforhigherseedyield.Podspermainstem,seedsperpodandplantheightshowedaconsiderabledirectpositiveeffectonseedyieldperplantforalmostallgenotypes.Theseyieldcomponentscanbeusedasselectioncriteriatoimproveseedyieldofsummertyperapeseed.
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912090818429ZK.pdf | 176KB | download |