engleski

The effect of pollenizers on the fruit set of apple cultivars 'Julyred', 'Elstar' and 'Golden Delicious clone B'

The effect of pollenizer ('Gala', 'Idared' and 'Jerseymac') on fruit set of cvs. 'Elstar', 'Julyred' and 'Golden Delicious clone B was studied. In cv. 'Elstar' highest fruit set was obtained after pollination with cv. 'Gala' (48.93%), and lowest after pollination with cv. 'Idared' (29.86 %). The lowest fruit set in cv. 'Julyred' was obtained after pollination with cv. 'Gala' (10.43 %), and higher after pollination with cvs. 'Idared' and 'Jerseymac'. There was no significant difference between these two pollenizers. The lowest fruit set of cv. 'Golden Delicious Clone B' was obtained after pollination with cv. 'Jerseymac' (8.87 %) and highest with cv. 'Gala' (15.28 %). Cv. 'Elstar' had highest fruit set (30 to 49 %) depending on pollenizer, and cv. 'Golden Delicious clone B' the lowest (9-15 %). The differences in fruit set can be attributed to differences in pollen germination among pollenizers, as well as overlapping in S - alleles.

Malus x domestica Borkh; pollenizer; fruit set; cultivar

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