Six-year evaluation of selected traits of fruit colour and their interdependences in a set of 24 apricot genotypes

Z. Vachůn
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Z. Vachůn: Mendel University of Agriculture and Forestry, Brno, Faculty of Horticulture, Lednice, Czech Republic

Horticultural Science, 2003, vol. 30, issue 4, 123-128

Abstract: These traits of fruit colour were evaluated in 24 apricot genotypes for six years: basic colour, overcolour, flesh colour and attractiveness. The evaluation involved variability of colour traits and correlations between these traits in a six-year period. The evaluated genotypes were significantly different in colour traits; it will facilitate the selection of commercially interesting genotypes. Highly significant correlation coefficients (r = 0.56++ to r = 0.96++) were calculated for the rank of the values of particular traits in 1994-1999; it confirmed that the traits are genetically conditioned. As for the correlations between the traits, the closest correlation was found out between basic colour of fruit and flesh colour (r = 0.53++ to r = 0.96++) and between basic colour and overcolour (r = 0.45++ to r = 0.65++). In the six-year period fruit attractiveness showed the lowest variability expressed by average coefficient of variation (v = 14.98%) while fruit overcolour had the highest variability (v = 41.14%). The coefficients of variation for basic colour and flesh colour were at a medium level. Harogem and Harlayne were the most interesting varieties by their colour traits. Among the registered and most frequently grown varieties in the CR it was Velkopavlovická LE-6/2. The varieties Lednická M-90-A and Vynoslivyj were the most promising for producers by their colour.

Keywords: apricot; genotypes; traits of fruit colour; variability; correlations (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:30:y:2003:i:4:id:3874-hortsci

DOI: 10.17221/3874-HORTSCI

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