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The Effective Pollination Period of European Plum (Prunus domestica L.) Cultivars in Western Norway

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Faculty of Agriculture, University of Belgrade, 11080 Belgrade, Serbia
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Innovation Centre at Faculty of Technology and Metallurgy, University of Belgrade, 11120 Belgrade, Serbia
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Njøs Fruit and Berry Centre, Njøsavegen 5, N-6863 Leikanger, Norway
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NIBIO Ullensvang, Norwegian Institute of Bioeconomy Research, Ullensvangvegen 1005, N-5781 Lofthus, Norway
*
Author to whom correspondence should be addressed.
Academic Editor: Daniela Farinelli
Horticulturae 2022, 8(1), 55; https://doi.org/10.3390/horticulturae8010055
Received: 19 December 2021 / Revised: 3 January 2022 / Accepted: 4 January 2022 / Published: 7 January 2022
This study evaluated the effective pollination period (EPP) in four European plum (Prunus domestica L.) cultivars (‘Mallard’, ‘Edda’, ‘Jubileum’, and ‘Reeves’) during two years (2018–2019) under the environmental conditions in western Norway. The pollination of plum cultivars was carried out one, three, five, seven, and nine days after anthesis (DAA) with a pollen mix of two compatible cultivars (‘Victoria’ and ‘Opal’). Initial, middle-season, and final fruit set was recorded after one month and two months after pollination and just before the harvest, respectively. On average from both years cultivar ‘Jubileum’ had the highest fruit set when pollinated one, three, five, seven, and nine DAA (33.23%, 30.83%, 8.47%, 3.08%, and 1.15%, respectively), which was more than two folds higher fruit set than in the other studied cultivars. Cultivar ‘Jubileum’ showed significantly reduced fruit set between pollination on five and nine DAA, while cultivars ‘Mallard’, ‘Edda’, and ‘Reeves’ had markedly reduced fruit set if pollinated three to five DAA, implying that the EPP in ‘Jubileum’ was five days while in the rest it was three days. Variation of weather conditions during the flowering period in both years did not have a major effect on the receptivity of stigmas in the studied plum cultivars, which means that the existing differences in the length of EPP is maternal-genotype dependent. View Full-Text
Keywords: EPP; fertilization; fruit set; ovule longevity; pollen EPP; fertilization; fruit set; ovule longevity; pollen
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MDPI and ACS Style

Fotirić Akšić, M.; Cerović, R.; Hjeltnes, S.H.; Meland, M. The Effective Pollination Period of European Plum (Prunus domestica L.) Cultivars in Western Norway. Horticulturae 2022, 8, 55. https://doi.org/10.3390/horticulturae8010055

AMA Style

Fotirić Akšić M, Cerović R, Hjeltnes SH, Meland M. The Effective Pollination Period of European Plum (Prunus domestica L.) Cultivars in Western Norway. Horticulturae. 2022; 8(1):55. https://doi.org/10.3390/horticulturae8010055

Chicago/Turabian Style

Fotirić Akšić, Milica, Radosav Cerović, Stein H. Hjeltnes, and Mekjell Meland. 2022. "The Effective Pollination Period of European Plum (Prunus domestica L.) Cultivars in Western Norway" Horticulturae 8, no. 1: 55. https://doi.org/10.3390/horticulturae8010055

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