Nectar and pollen production in Arabis procurrens Waldst. and Kit. and Iberis sempervirens L. (Brassicaceae)

• Autorzy: Strzalkowska-Abramek M. , Tymoszuk K. , Jachula J. , Bozek M.

Warianty tytułu

PL

Produkcja pyłku i nektaru w kwiatach Arabis procurrens Waldst. and Kit. and Iberis sempervirens L. (Brassicaceae)

• Języki publikacji: EN

Abstrakty

EN

Ecological environment in urban areas is specific in many aspects. There are evidences that ornamental plants cultivated in local urban gardens may help in conservation of pollinators. In this study, the flowering pattern, the abundance of flowering, nectar and pollen production as well as insect visitation in Arabis procurrens Waldst. & Kit. and Iberis sempervirens L. were investigated. The species were grown in the UMCS Botanical Garden in Lublin, southeastern Poland. Arabis procurrens bloomed from the middle of April until middle of May and I. sempervirens from the end of April until middle of June. In both species, most flowers opened in the morning hours (40–45% of total were opened by 8:00 h GMT + 2 h). The average sugar yield of A. procurrens was ca. 53% lower compared to I. sempervirens (mean = 1.08 g/m2 and 2.32 g/m2, respectively). In both species, considerable differences in the amount of produced sugars were noted between years. The mass of pollen produced in the flowers of A. procurrens was approx. 35% lower compared to that of I. sempervirens (mean = 0.06 mg and 0.09 mg per flower, respectively). Pollen produced per unit area was correlated with the number of flowers. On average, the species produced 1.46 g (A. procurrens) and 2.54 g (I. sempervirens) of pollen per 1 m2. The flowers of A. procurrens attracted mainly dipterans (56.3% of total visitors), while I. sempervirens lured chiefly solitary bees (47.4% of total visitors), however in both cases, honeybees, bumblebees and lepidopterans were also recorded. The A. procurrens and I. sempervirens due to flowering in early spring period may be promoted for use in small gardens (rock or pot gardens) for both aesthetic value and as plants that support insect visitors in nectar and pollen rewards.

PL

Przeprowadzone badania dotyczyły dynamiki i obfitości kwitnienia, wydzielania nektaru, produkcji pyłku oraz składu entomofauny dwóch gatunków: Arabis procurrens Waldst. & Kit. i Iberis sempervirens L. uprawianych w Ogrodzie Botanicznym UMCS w Lublinie. Arabis procurrens kwitł od połowy kwietnia do połowy maja, natomiast I. sempervirens od końca kwietnia do połowy czerwca. U obu gatunków większość kwiatów (40–45%) rozkwitała wczesnym rankiem, tj. ok. 8:00 (GMT + 2 h). Średnia masa cukrów (w przeliczeniu na jednostkę powierzchni) A. procurrens była o ok. 53% mniejsza niż w przypadku I. sempervirens (odpowiednio 1.08 g/m2 i 2.32 g/m2). Stwierdzono istotne różnice w masie produkowanych cukrów pomiędzy latami badań dla każdego z badanych gatunków. Średnia masa pyłku produkowanego przez kwiaty A. procurrens była o ok. 35% mniejsza niż masa pyłku I. sempervirens (odpowiednio 0.06 mg i 0.09 mg). Wydajność pyłkowa, wynosząca 1.46 g/m2 dla A. procurrens i 2.54 g/m2 dla I. sempervirens, skorelowana była z liczbą kwiatów. Kwiaty A. procurrens oblatywane były głównie przez muchówki (56.3% liczby owadów), a kwiaty I. sempervirens- przez pszczoły samotnice (47.4%). Odnotowano również wizyty pszczoły miodnej, trzmieli i motyli. Badane gatunki roślin, ze względu na wczesną porę zakwitania, mogą stanowić uzupełnienie taśmy pokarmowej owadów zapylających.

• Wydawca: -
• Czasopismo: Acta Agrobotanica
• Rocznik: 2016
• Tom: 69
• Numer: 1
• Opis fizyczny: Article 1656 [10p.], fig.,ref.

Twórcy

autor

Strzalkowska-Abramek M.

• Department of Botany, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland

autor

Tymoszuk K.

• Biological Students Research Group, Faculty of Horticulture and Landscape Architecture, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland

autor

Jachula J.

• Department of Botany, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
• Biological Students Research Group, Faculty of Horticulture and Landscape Architecture, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland

autor

Bozek M.

• Department of Botany, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland

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Identyfikatory

DOI

10.5586/aa.1656