Heritability and relationships between maize agricultural traits
Krzysztof Wójcik
nasiona@mhr.com.plMałopolska Hodowla Roślin HBP Sp. z o. o., Oddział Nasiona Kobierzyc (Poland)
Rafał Kuriata
Katedra Genetyki, Hodowli Roślin i Nasiennictwa, Uniwersytet Przyrodniczy we Wrocławiu (Poland)
Sylwia Lewandowska
Katedra Genetyki, Hodowli Roślin i Nasiennictwa, Uniwersytet Przyrodniczy we Wrocławiu (Poland)
Abstract
Twenty eight inbred lines were investigated in the field experiment. The experiment was arranged in randomized complete block design with three replication in two vegetative seasons 2009 and 2010. Heritability in broad sense and genotypic coefficient of variation (GCV) were calculated based on analysis of variance. Wright’s path analysis was made and coefficients of correlation were calculated. Days until shedding had relatively high heritability (0.76), whereas moderate values were obtained for ear diameter and ear height. The greatest values of GCV were obtained in case of ear height, ear rows number and ear grain weight. Path analysis revealed that ear length and diameter had directly and indirectly the most significant influence on ear grain yield.
Keywords:
heritability, maize, path analysisReferences
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Authors
Krzysztof Wójciknasiona@mhr.com.pl
Małopolska Hodowla Roślin HBP Sp. z o. o., Oddział Nasiona Kobierzyc Poland
Authors
Rafał KuriataKatedra Genetyki, Hodowli Roślin i Nasiennictwa, Uniwersytet Przyrodniczy we Wrocławiu Poland
Authors
Sylwia LewandowskaKatedra Genetyki, Hodowli Roślin i Nasiennictwa, Uniwersytet Przyrodniczy we Wrocławiu Poland
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Copyright (c) 2012 Krzysztof Wójcik, Rafał Kuriata, Sylwia Lewandowska
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