PJB-1989-30
Expression pf heterosis for horticulture traits in raphanus sativus L.
Farzana nasir
jamil ahmed and M. ishaq khan
Abstract
The heterosis in horticulture traits was
studied in four varieties viz., long white , red long, red round and sparkler of raphanus sativus L. generally all F1 hybrids exhibited heterosis over mind parent
with respect to length , breadth and weight of lesves and length diameter and weight of roots. The cross between long white and red long is better than superior parent in length and weight of leaves and length, weight and diameter of roots. Another cross between long white and sparkler its reciprocal appear better for breadth of leaves. Moreover, six hybrids outyielded the better parents, a positive and significant correlation was observed between foliage weight and root diameter
, leaf index and root diameter and foliage weight and root weight. This study shows that the gene responsible for different horticulture traits exhibits dominance
and heterosis breeding is advantageous for the improvement of horticulture traits of R sativus L. correlation analysis
indicated that desirable plants could be selected at the vegetative stage.
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