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Pakistan Journal of Biological Sciences

Year: 1999  |  Volume: 2  |  Issue: 1  |  Page No.: 222 - 224

Performance of Six Maize (Zea mays L.) Inbred Lines and Their all Possible as Well as Reciprocal Cross Combinations

M. Ahsan

Abstract

The present work consisted of six elite, exotic and local maize inbred lines and their all possible as well as reciprocal cross combinations. This values of coefficients of variation were found to be lower for all agronomic traits except grain yield per plant (22.83%). Genotypic correlation coefficients had higher magnitude than the phenotypic correlation coefficients. Phenotypic correlation coefficients were found to significant and positive between leaf area, leaf angle, number of leaves per plant, plant height and grain yield. They were found negative and significant between days taken to tasseling, days taken to silking and grain yield. However, it is concluded from these results that grain yield can be improved by increasing leaf angle, leaf area, number of leaves per plant and plant height.

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