Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits
Global bee populations are rapidly declining. One way of supporting bee populations is by enhancing urban green spaces with plants attractive to bees. Plant breeding has introduced a high degree of variability in floral traits, which can affect the attractiveness and usefulness of ornamental plants...
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| Format: | Article |
| Language: | English |
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Enviroquest Ltd.
2025-02-01
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| Series: | Journal of Pollination Ecology |
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| Online Access: | https://pollinationecology.org/index.php/jpe/article/view/813 |
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| author | Femke Verweij Koos Biesmeijer Saskia Klumpers |
| author_facet | Femke Verweij Koos Biesmeijer Saskia Klumpers |
| author_sort | Femke Verweij |
| collection | DOAJ |
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Global bee populations are rapidly declining. One way of supporting bee populations is by enhancing urban green spaces with plants attractive to bees. Plant breeding has introduced a high degree of variability in floral traits, which can affect the attractiveness and usefulness of ornamental plants to bees. In this study, we investigated how variations in floral traits, including nectar sugar content, corolla tube depth, flower colour, UV-presence and the number of flowers, affected the attractiveness of 119 cultivars from eight ornamental plant genera (Salvia nemorosa, Gaillardia aristata, Delosperma cooperi, Lavandula angustifolia, Lavandula stoechas, Sedum telephium, Perovskia atriplicifolia and Agastache hybrida) to honeybees and bumblebees. Our results show that differences in bee visitation rate among cultivars were directly related to variation in floral traits. For most plant genera, cultivars of the same species varied significantly in attractiveness. Honeybees and bumblebees generally did not find the same cultivars and plant genera attractive. Nectar sugar content and flower colour were important for cultivar attractiveness to both honeybees and bumblebees, with corolla tube depth also being an important factor for honeybees. We found that flower colour was often related to the favourability of other floral traits that promote more rewarding or easily accessible flowers. However, most cultivars were considered unattractive and only a small number of cultivars were highly attractive to honeybees (6%) and bumblebees (10%). Overall, our study gives valuable insights for plant breeders, emphasising how different floral traits affect the attractiveness of ornamental plants which helps to select for floral traits that result in more attractive ornamental plants for bees.
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| format | Article |
| id | doaj-art-64937a8edc0a4aa1897a9df12228e6f7 |
| institution | Kabale University |
| issn | 1920-7603 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Enviroquest Ltd. |
| record_format | Article |
| series | Journal of Pollination Ecology |
| spelling | doaj-art-64937a8edc0a4aa1897a9df12228e6f72025-02-10T11:16:52ZengEnviroquest Ltd.Journal of Pollination Ecology1920-76032025-02-013710.26786/1920-7603(2025)813Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traitsFemke Verweijhttps://orcid.org/0009-0002-8171-4242Koos Biesmeijer0Saskia Klumpers1https://orcid.org/0000-0002-1275-7727Naturalis Biodiversity CenterNaturalis Biodiversity Center Global bee populations are rapidly declining. One way of supporting bee populations is by enhancing urban green spaces with plants attractive to bees. Plant breeding has introduced a high degree of variability in floral traits, which can affect the attractiveness and usefulness of ornamental plants to bees. In this study, we investigated how variations in floral traits, including nectar sugar content, corolla tube depth, flower colour, UV-presence and the number of flowers, affected the attractiveness of 119 cultivars from eight ornamental plant genera (Salvia nemorosa, Gaillardia aristata, Delosperma cooperi, Lavandula angustifolia, Lavandula stoechas, Sedum telephium, Perovskia atriplicifolia and Agastache hybrida) to honeybees and bumblebees. Our results show that differences in bee visitation rate among cultivars were directly related to variation in floral traits. For most plant genera, cultivars of the same species varied significantly in attractiveness. Honeybees and bumblebees generally did not find the same cultivars and plant genera attractive. Nectar sugar content and flower colour were important for cultivar attractiveness to both honeybees and bumblebees, with corolla tube depth also being an important factor for honeybees. We found that flower colour was often related to the favourability of other floral traits that promote more rewarding or easily accessible flowers. However, most cultivars were considered unattractive and only a small number of cultivars were highly attractive to honeybees (6%) and bumblebees (10%). Overall, our study gives valuable insights for plant breeders, emphasising how different floral traits affect the attractiveness of ornamental plants which helps to select for floral traits that result in more attractive ornamental plants for bees. https://pollinationecology.org/index.php/jpe/article/view/813ApisBombusCorolla tube lengthFlower colourNectarPlant attractiveness |
| spellingShingle | Femke Verweij Koos Biesmeijer Saskia Klumpers Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits Journal of Pollination Ecology Apis Bombus Corolla tube length Flower colour Nectar Plant attractiveness |
| title | Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| title_full | Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| title_fullStr | Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| title_full_unstemmed | Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| title_short | Differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| title_sort | differences in visitation of honeybees and bumblebees to ornamental plant varieties can be explained by floral traits |
| topic | Apis Bombus Corolla tube length Flower colour Nectar Plant attractiveness |
| url | https://pollinationecology.org/index.php/jpe/article/view/813 |
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