TITLE

Genetic Effects Involved in the Heritability of Several Quantitative Characters of Ornamental Value in Gillyflower (Matthiola incana L.). II. Flower Characters

AUTHOR(S)
Cordea, Mirela; Mann Ardelean; Pui, Doina-Angela; Mithalescu, Lucia
PUB. DATE
January 2009
SOURCE
Bulletin of the University of Agricultural Sciences & Veterinary;2009, Vol. 66 Issue 1, p40
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Six cultivars of gillyflower (M incana L.) belonging to series 'Giant Imperial' ('White', 'Yellow', 'Lavender', 'Violet', 'Crimson' and 'Rose'), were used in a cyclic crossing system with Giant Imperial White as tester parent, in 2005. Half of the F1 seeds of each combination were planted in 2006 and self-pollinations as well as backcrosses with P1 and P2 were performed on all F1 hybrid plants. In 2007, all parental varieties, F1 and F2 hybrids as well as BC~1 and BC~2 backcross generations were grown on individual plots with 92-166 plants/plot. Fifty plants with double flowers were randomly taken from each plot and were analyzed concerning several flower characters (no. of flowers/inflorescence, diameter of flower and persistence of blooming) and the main genetic effects involved in the inheritance of these characters were computed according to the model proposed by Mather and Jinks (1977). It is noticeable that for the number of flowers/inflorescence and persistence of blooming, the additive effects were the largest component of the total genetic effects while for diameter of flower the dominance effects were slightly higher than the additive ones. There could be concluded that at least for these three studied characters additivity plays the major role in their inheritance with noticeable effects of dominance in case of persistence of flowering. The choice of parents for crosses made for breeding purposes should consider the above results.
ACCESSION #
47636940

 

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