Full Length Research Paper
Abstract
The proposed study was carried out in the glasshouse of the Department of Plant Breeding and Genetics, University of Agriculture Faisalabad, Pakistan to evaluate eighty maize genotypes for seedling traits during the crop season in February 2011. The higher value of genotypic variance was found for chlorophyll contents, photosynthetic rate and sub-stomatal CO2 concentration. The higher values of heritability and genetic advance were also recorded for chlorophyll contents, photosynthetic rate and sub-stomatal CO2 concentration for both after 14 and 28 days of seedling emergence. It was concluded that the selection of higher yielding genotypes can be made and may also be used as potential genotypes for higher grain and fodder yields.
Key words: Zea mays, genotypic variance, heritability, genetic advance, Pakistan.
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