Inheritance of yield and quality traits in Strawberry (Fragaria × ananassa Duch.)

What is it about?

Information on the inheritance of yield and quality traits is important for the selection of parents and breeding approaches to be adopted for the improvement of strawberry. We estimate the combining ability and gene effects for plant yield, fruits number/plant, fruit weight, pulp firmness and sugar content of strawberries in order to identify the best genitors and promising crosses, in 30 hybrids of six parents.

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Why is it important?

We identify genotypes like ‘A1’ and ‘Alba’ with a higher concentration of favorable alleles for plant yield and fruits number. This two genotypes will allow the increase of plant yield when used as a male and of fruit number genotypes when used as a female genitor. Also, we find that the variety ‘Marmolada’ was a good general combiner for sugar content, pulp firmness and fruit weight, with a significant effect when used as a female genitor.