Towards sweet cherry (Prunus avium L.) breeding: phenotyping evaluation of newly developed hybrids
An increasing demand for cherry production (Prunus avium L.) in Greece led to the development of new high quality sweet cherry cultivars. Self-incompatibility in cherry is one of the most challenging issues for the species’ cultivation and top breeding priority. Τhe present study focuses on the development of new hybrids with improved traits such as productivity, fruit size, organoleptic characteristics and self-compatibility. For this purpose, thirty different cultivars were crossed and produced hybrids that were evaluated according to 34 morpho-physiological characteristics. The results were analyzed using the XLSTAT (version 2014.1) software and a dendrogram was constructed using the agglomerative hierarchical clustering method. Optimal hybrid clustering was achieved when characteristics of great economic importance such as fruit shape and size, growth habit and days to blooming were included in the analysis. Based on the results, new sweet cherry hybrids with the special character of self-compatibility were developed. Our findings provide crucial new information for sweet cherry future breeding programs and cultivation.
KeywordsSweet cherry Hybrids Self-compatibility Phenotypic Multivariate analysis
Aliki Xanthopoulou acknowledges “HFRI: Research Projects for Postdoctoral Researchers” funded by H.F.R.I. (Hellenic Foundation for Research and Innovation).
- Aravanopoulos FA (2010a) Contribution of leaf morphometrics in the study of genetic entries in Salix. Electron J Plant Breed 1(5):1320–1328Google Scholar
- Bassi D, Guerriero R, Pennone F (1995) The apricot cultivars. Rivista di Frutticoltura e di Ortofloricoltura (Italy).Google Scholar
- Ganopoulos I, Moysiadis T, Xanthopoulou A, Ganopoulou M, Avramidou E, Aravanopoulos FA, Tani E, Madesis P, Tsaftaris A, Kazantzis K (2015) Diversity of morpho-physiological traits in worldwide sweet cherry cultivars of GeneBank collection using multivariate analysis. Sci Hortic 197:381–391CrossRefGoogle Scholar
- Humphry-Baker P (1975) Pollination and fruit set in tree fruits. British Columbia Department of Agriculture, VictoriaGoogle Scholar
- IPGRI (1985) Cherry descriptors. International Plant Genetic Resources Institute, Rome, p 33Google Scholar
- Marshall RE (1954) Cherries and cherry products. In: Economic crops. Interscience, ed., vol 5. New YorkGoogle Scholar
- Nyéki J, Soltész M, Szabó Z (2008) Morphology, biology and fertility of flowers in temperate zone fruits. Akadémiai Kiadó, BudapestGoogle Scholar
- Pimentel RA (1979) Morphometrics, the multivariate analysis of biological data. Kendall/Hunt Pub. Co.Google Scholar
- UPOV (1976) Guidelines for the conduct of test for dis- tintness, homogeinity and stability of the cherry. International Union for the Protection of New Varieties of Plants, Genova, p 15Google Scholar
- Webster AD (1996) The Taxonomic classification of sweet and sour cherries and a brief history of their cultivation. In: Webster AD, Looney NE (eds) cherries. Cab International, Wallingford, pp 3–25Google Scholar