Heritability estimates and the variation of pomological traits, total phenolic compounds, and antioxidant capacity in two apricot progenies

Even though pomological traits are important in fruit breeding for quality, antioxidant capacity and the total content ofphenolic compounds have also gained importance, together with a rising awareness of their health benefits. As a result, this study wasconducted to evaluate the variation and heritability levels of antioxidant capacity and total phenolic compounds, as well as pomologicaltraits in ‘Hacıhaliloğlu’ × ‘Stark Early Orange’ and ‘Çataloğlu’ × ‘Stark Early Orange’ apricot crosscombinations based on phenotypicassessments of fruit samples. The results indicated significant differences among F1 progenies in the samples involved in the study.Broad-sense heritability coefficients ranged from 0.59 to 0.98 in the combinations examined. Parent–offspring regression coefficientsfor antioxidant capacity and total phenolic compounds were calculated to be 0.433 and 0.164, respectively. The results of the study canbe useful in deciding selection strategies and choosing parents in relevant breeding programs.

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