Correlation analysis for various grain contributing traits of Zea mays | Zendy

Qurban Ali | Zendy; Ahsan Muhammad | Zendy

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Correlation analysis for various grain contributing traits of Zea mays

Author(s) -

Qurban Ali,

Ahsan Muhammad

Publication year - 2015

Publication title -

african journal of agricultural research

Language(s) - English

Resource type - Journals

ISSN - 1991-637X

DOI - 10.5897/ajar2013.7838

Subject(s) - heritability , biology , crop , agronomy , genetic correlation , genetic gain , zea mays , genetic variability , yield (engineering) , grain yield , genotype , horticulture , genetic variation , biochemistry , genetics , materials science , metallurgy , gene

For the study of genetic variability and correlation analysis among grain yield and its contributing traits an experiment was conducted in the research area of Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan during crop season of 2011. The heritability was found 96.06 to 99.99% while genetic advance was from 15.939 to 63.439%. Significant genotypic correlation was found for grain yield per plant with stem diameter, cob diameter, cob length, cob weight, 100-seed weight, dry matter yield, leaves per plant, chlorophyll contents, grain rows per cob and cobs per plant. It was accomplished that higher heritability and genetic advance was found. It was suggested that selection of higher grain yielding genotypes may be helpful to enhance crop yield and productivity. Key words: Zea mays, heritability, genetic advance, genotypic, phenotypic, correlation.

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