Electronic Journal of Biology

Genetic Potential, Variability and Heritability of Various Morphological and Yield Traits among Maize Synthetics

Breeders are interested in screening and development of open pollinated population in maize. In the current study a set of four maize populations, i.e. PSEV-3-2ES, Pop 2004-BS, Pop 2006 and Jalal 2003 were evaluated for genetic potential and variability. Breeding material was evaluated in randomized complete block design with three replications. Analysis of variance results showed highly significant differences (P≤ 0.01) for all the traits. The highest values for plant height (169.1 cm), ear height (75.13 cm), leaves plant-1 (11.33), flag leaf area (106.5 cm2), grain rows ear-1 (13.67) and grain yield (5927 kg ha-1) were recorded for Jalal-2003. Broad sense heritability (h2bs) ranged from 0.29 to 0.95 for various traits. Among the tested populations Jalal-2003 proved to be superior for most of the traits studied. The present study revealed a considerable amount of genetic variation and heritability estimates that could be manipulated for further improvement in maize breeding.

Author(s):

Muhammad Isha*, Hidayatur Rahman, Ghulam Hassan, Muhammad Iqbal, Ibni Amin Khalil, Sabaz Ali Khan, Sheraz Ahmad Khan, Rafiullah, Jamal Hussain

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