GENETICAL STUDIES OF SOME MORPHOLOGICAL TRAITS AND YIELD OF BALADY CABBAGE USING NORTH CAROLINA DESIGN II

Zyada, Hany G.; Ismail, H. E.M. A.

doi:10.21608/zjar.2018.49818

GENETICAL STUDIES OF SOME MORPHOLOGICAL TRAITS AND YIELD OF BALADY CABBAGE USING NORTH CAROLINA DESIGN II

Document Type : Original Article

Authors

Hort. Dept., Fac. Agric., Zagazig Univ., Egypt

10.21608/zjar.2018.49818

Abstract

This work was carried out at Ghazala Experimental Farm, Fac. Agric., Zagazig Univ., Egypt, during the two successive winter seasons of 2015/2016 and 2016/2017, to estimates the genetic parameters for Balady cabbage, using North Carolina Mating Design II. Ten selected plants were used for this study (five as males and other five as females) from Balady cabbage population. Results of this study showed insignificant mean squares for male × female interaction for all the studied traits, except that for stem diameter, leaf width, wrapper leaves weight per plant and head height, which were highly significant. Estimations of additive variance (σ²_A) were higher than dominance variance (σ²_D) for stem diameter, leaf width, head height, head diameter and head weight per plant (yield), indicate the important of additive gene action in the inheritance of these traits. Nevertheless, σ²_D was higher than σ²_A for stem height from wrapper leaves to head, leaf length, and wrapper leaf number and weight per plant, so that the dominance was played very important role in the inheritance of these traits. The heritability in broad-sense ranged from -4.30% for stem height up to wrapper leaves to 83.80% for leaf width. While, narrow-sense of heritability ranged from -2.10% for stem height up to wrapper leaves to 97.35% for head height.

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