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Varietal classification by multivariate analysis in onion (Allium cepa L.)

Journal:
Journal of the Korean Society for Horticultural Science


Issue Date:
1996


Abstract(summary):

Varietal distances were measured by Euclidian D-2 statistics in 1,770 possible comparisons among sixty varieties of onion with seven characters, such as plant height, length of leaf sheath, diameter of leaf sheath, height of bulb, diameter of bulb, weight of bulb per plant and yield. A complete linkage cluster analysis based on the D-2s were attempted. Sixty cultivars of onion were largely classified into four varietal groups. Group 1, group 2, group 3 and group 4 contained fourteen, sixteen, fifteen and fifteen cultivars, respectively. Most of the varietal groups were not associated with their geographical origin. Yield and weight of bulb among the seven characters were the largest contributors to the D-2 in both intra and inter groups.


Page:
37---41


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