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2008•Journal of Fruit and Ornamental Plant ResearchRequires access

BIOLOGY OF SWEET CHERRY FLOWERING

W. Lech, M. Małodobry, Ewa Dziedzic, Monika Bieniasz, Slawomir Doniec

Open publisher page 22 citations

Abstract

The aim of the study presented was to evaluate floral biology and fruit set of sweet cherry cultivars 'Van', 'Summit', 'Kordia', 'Hedelfinger' and 'Regina', as dependent on the pollination method. The results showed a rapid growth of pollen tubes in the style. Percentage of germinating pollen was on the same level during the flowering period. The fertilization of ovules already occurred in the second day of flowering. The percentage of fertilized ovules was the greatest on the ninth day of flowering, but covered 30% of the flowers only. The most incompatible cultivars are 'Kordia' and 'Regina'. After self-pollination those cultivars practically did not set fruit. 'Van' and 'Hedelfinger' cultivars were self-incompatible in moderate degree. 'Summit' was a self-compatible cultivar; after self-pollination its fruit set reached 11%. 'Regina' was highly self-incompatible cultivar, after pollination with pollen of 'Kordia' its fruit set was 9.9%.

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What this paper is about

The aim of the study presented was to evaluate floral biology and fruit set of sweet cherry cultivars 'Van', 'Summit', 'Kordia', 'Hedelfinger' and 'Regina', as dependent on the pollination method. The results showed a rapid growth of pollen tubes in the style. Percentage of germinating pollen was on the same level during the flowering period. The fertilization of ovules already occurred in the second day of flowering. The percentage of fertilized ovules was the greatest on the ninth day of flowering, but covered 30% of the flowers only. The most incompatible cultivars are 'Kordia' and 'Regina'. After self-pollination those cultivars practically did not set fruit. 'Van' and 'Hedelfinger' cultivars were self-incompatible in moderate degree. 'Summit' was a self-compatible cultivar; after self-pollination its fruit set reached 11%. 'Regina' was highly self-incompatible cultivar, after pollination with pollen of 'Kordia' its fruit set was 9.9%.

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Available abstract

The aim of the study presented was to evaluate floral biology and fruit set of sweet cherry cultivars 'Van', 'Summit', 'Kordia', 'Hedelfinger' and 'Regina', as dependent on the pollination method. The results showed a rapid growth of pollen tubes in the style. Percentage of germinating pollen was on the same level during the flowering period. The fertilization of ovules already occurred in the second day of flowering. The percentage of fertilized ovules was the greatest on the ninth day of flowering, but covered 30% of the flowers only. The most incompatible cultivars are 'Kordia' and 'Regina'. After self-pollination those cultivars practically did not set fruit. 'Van' and 'Hedelfinger' cultivars were self-incompatible in moderate degree. 'Summit' was a self-compatible cultivar; after self-pollination its fruit set reached 11%. 'Regina' was highly self-incompatible cultivar, after pollination with pollen of 'Kordia' its fruit set was 9.9%.

Key concepts: Cultivar, Pollination, Ovule, Pollen, Biology, Fruit set, Pollen tube, Hand-pollination

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