Precocity and a long-term cropping in apple progenies grown on M 9 rootstock

J. Blažek, L. Zelený and J. Křelinová
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J. Blažek: Research and Breeding Institute of Pomology Holovousy Ltd., Holovousy, Czech Republic
L. Zelený: Research and Breeding Institute of Pomology Holovousy Ltd., Holovousy, Czech Republic
J. Křelinová: Research and Breeding Institute of Pomology Holovousy Ltd., Holovousy, Czech Republic

Horticultural Science, 2016, vol. 43, issue 4, 167-174

Abstract: The fruiting of 23 apple progenies, in total 756 genotypes grafted on M 9 rootstock, was evaluated for 11 years (2005-2015). The most precocious was the progeny obtained by the crossing of genotype HL1737 and Pink Lady cultivar, seedlings of which achieved fruiting stage just between the first and second year after planting. The least precocious was the progeny Freedom × Antonovka o.p., in which seedlings started fruiting on average just in the 5th and 6th year after planting. The most productive in the study was the progeny HL782 × Topaz, having a mean rating of 5.33 points on a 1-9 scale. Behind this leader, in decreasing order, were the progenies HL782 × HL665, Resista × Pink Lady, Resista × HL2219 and HL665 × HL782. The progenies Resista × Benet and Idleless × HL665 were distinguished with the highest level of biennial bearing (above 81%). The most valuable for utilisation in breeding is the progeny HL665 × HL782. Other noteworthy donors to be considered for distinctly more regular cropping are the cultivars Pink Lady, Discovery and HL2219.

Keywords: Malus × domestica; cropping; progeny segregation; apple breeding (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlhor:v:43:y:2016:i:4:id:268-2015-hortsci

DOI: 10.17221/268/2015-HORTSCI

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