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Genetic Variability, Heritability and Genetic Advance Estimates in Some Maize ( Zea mays L.) Varieties in Sudan

Date: February 5,2021 |Hits: 813 Download PDF How to cite this paper

Mohammed A. Mohammedali1, Omer A. Mohamed1,*, Mohielden G. Abdalla2, Kamaleldin A. M. A. Taha2, Esam Mahgoub M. Ahmed1

1Department of Agronomy, Faculty of Agriculture, Omdurman Islamic University, P.O. BOX 382, Sudan.

2Department of Horticulture, Faculty of Agriculture, Omdurman Islamic University, P.O. BOX 382, Sudan.

*Corresponding author: Omer A. Mohamed


An experiment was conducted during winter season 07/2008. Twenty five maize varieties for ten traits were studied in randomized complete block design (RCBD) with three replications at the field of experiments of the Faculty of Agriculture, Sudan University of Science and Technology in Khartoum (Shambat) Sudan to estimate the magnitude of their genetic variability, heritability and genetic advance for yield and yield components were studied plant height (cm), ear height (cm), fresh ear weight dehusked (g), number of husk leaves, dry ear weight (g), ear length (cm), number of rows per ear, number of kernels per row, weight of hundred kernels (g), and grain yield (kg/ha). Analysis of variance revealed significant differences for most characters studied among the varieties. The phenotypic coefficient of variation (PCV) is higher than genotypic coefficient of variation (GCV) recorded for all traits. The highest heritability and high value (64.29%) was found for number of husk leaves followed by ear height (60.29%), moderate heritability estimates were observed for plant height (51.74%), fresh ear weight dehusked (46.91%) and ear length (39.29%). Genetic advane as percent of mean was the highest for ear length (51.04) and weight of hundred kernels (20.49) indicating additive gene action for these traits. The information generated from this study, maize breeder can be exploited for future maize breeding programs.


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How to cite this paper

Genetic Variability, Heritability and Genetic Advance Estimates in Some Maize ( Zea mays L.) Varieties in Sudan

How to cite this paper: Mohammed A. Mohammedali, Omer A. Mohamed, Mohielden G. Abdalla, Kamaleldin A. M. A. Taha, Esam Mahgoub M. Ahmed. (2021) Genetic Variability, Heritability and Genetic Advance Estimates in Some Maize (Zea mays L.) Varieties in SudanInternational Journal of the Science of Food and Agriculture5(1), 85-90.

DOI: http://dx.doi.org/10.26855/ijfsa.2021.03.012

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