Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin
Flowering performance and phenology of six new pear cultivars of Nordic origin were examined during a 12 year period. The seasonal timing of shoot growth and flower initiation were monitored in three years. The morphological floral stages of the flower bud formation process were examined for the cul...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-10-01
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| Series: | Acta Agriculturae Scandinavica. Section B, Soil and Plant Science |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/09064710.2019.1620322 |
| _version_ | 1797684411291926528 |
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| author | A. Sønsteby O. M. Heide R. Rivero F. Måge S. F. Remberg |
| author_facet | A. Sønsteby O. M. Heide R. Rivero F. Måge S. F. Remberg |
| author_sort | A. Sønsteby |
| collection | DOAJ |
| description | Flowering performance and phenology of six new pear cultivars of Nordic origin were examined during a 12 year period. The seasonal timing of shoot growth and flower initiation were monitored in three years. The morphological floral stages of the flower bud formation process were examined for the cultivar ‘Celina’. Seven floral stages were identified and described. The date of full bloom varied between years as a function of the currently accumulated heat sum in early spring. Still, the earliness ranking of the cultivars was consistent across years for both flower initiation and blooming. The cultivars ‘Anna’ and ‘Ingeborg’ consistently initiated floral primordia 2–3 weeks earlier than ‘Celina’, ‘Clara Frijs’, ‘Fritjof’ and ‘Kristina’, and this was accompanied with 4–5 days earlier blooming in the following spring. The early flower initiation cultivars ‘Anna’ and ‘Ingeborg’ also had richer flowering than the late-blooming cultivars. ‘Fritjof’ was identified as a suitable pollinator for ‘Celina’ in the Nordic climate. Comparison of the flowering phenology of pear and apple cultivars showed that while the pears, on average, flowered a week ahead of the apples, they initiated flower primordia almost two weeks later, thus rendering the intervening period approximately three weeks longer in pear than in apple. |
| first_indexed | 2024-03-12T00:29:16Z |
| format | Article |
| id | doaj.art-7cdf1765c59c49c28a98d116933cbf30 |
| institution | Directory Open Access Journal |
| issn | 0906-4710 1651-1913 |
| language | English |
| last_indexed | 2024-03-12T00:29:16Z |
| publishDate | 2019-10-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Acta Agriculturae Scandinavica. Section B, Soil and Plant Science |
| spelling | doaj.art-7cdf1765c59c49c28a98d116933cbf302023-09-15T10:26:24ZengTaylor & Francis GroupActa Agriculturae Scandinavica. Section B, Soil and Plant Science0906-47101651-19132019-10-0169757858710.1080/09064710.2019.16203221620322Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic originA. Sønsteby0O. M. Heide1R. Rivero2F. Måge3S. F. Remberg4NIBIO, Norwegian Institute of Bioeconomy ResearchFaculty of Environmental Sciences and Natural Resource Management, Norwegian University of Life SciencesNIBIO, Norwegian Institute of Bioeconomy ResearchFaculty of Biosciences, Norwegian University of Life SciencesFaculty of Biosciences, Norwegian University of Life SciencesFlowering performance and phenology of six new pear cultivars of Nordic origin were examined during a 12 year period. The seasonal timing of shoot growth and flower initiation were monitored in three years. The morphological floral stages of the flower bud formation process were examined for the cultivar ‘Celina’. Seven floral stages were identified and described. The date of full bloom varied between years as a function of the currently accumulated heat sum in early spring. Still, the earliness ranking of the cultivars was consistent across years for both flower initiation and blooming. The cultivars ‘Anna’ and ‘Ingeborg’ consistently initiated floral primordia 2–3 weeks earlier than ‘Celina’, ‘Clara Frijs’, ‘Fritjof’ and ‘Kristina’, and this was accompanied with 4–5 days earlier blooming in the following spring. The early flower initiation cultivars ‘Anna’ and ‘Ingeborg’ also had richer flowering than the late-blooming cultivars. ‘Fritjof’ was identified as a suitable pollinator for ‘Celina’ in the Nordic climate. Comparison of the flowering phenology of pear and apple cultivars showed that while the pears, on average, flowered a week ahead of the apples, they initiated flower primordia almost two weeks later, thus rendering the intervening period approximately three weeks longer in pear than in apple.http://dx.doi.org/10.1080/09064710.2019.1620322blooming period‘celina’ pearflower initiationphenologypollinationpyrus communis |
| spellingShingle | A. Sønsteby O. M. Heide R. Rivero F. Måge S. F. Remberg Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin Acta Agriculturae Scandinavica. Section B, Soil and Plant Science blooming period ‘celina’ pear flower initiation phenology pollination pyrus communis |
| title | Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin |
| title_full | Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin |
| title_fullStr | Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin |
| title_full_unstemmed | Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin |
| title_short | Phenology, flowering and fruit-set performance of six recent pear cultivars of Nordic origin |
| title_sort | phenology flowering and fruit set performance of six recent pear cultivars of nordic origin |
| topic | blooming period ‘celina’ pear flower initiation phenology pollination pyrus communis |
| url | http://dx.doi.org/10.1080/09064710.2019.1620322 |
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