References
- A
bou -Shaara H.F., 2014. The foraging behaviour of honey bees, Apis mellifera: A review. Vet. Med. (Praha) 59, 1-10. - A
laux C., Ducloz F., Crauser D., Le Conte Y., 2010. Diet effects on honeybee immunocompetence. Biol. Lett. 6, 562-565. - A
ntoń S., Denisow B., 2014. Nectar production and carbohydrate composition across floral sexual phases: Contrasting patterns in two protandrous Aconitum species (Delphinieae, Ranunculaceae). Flora 209(9), 464-470. - A
ntoń S., Denisow B., 2018. Floral phenology and pollen production in the five nocturnal Oenothera species (Onagraceae). Acta Agrobot. 71: 1738, 1-12. - A
ntoń S., Komoń -Janczara E., Denisow B., 2017. Floral nectary, nectar production dynamics and chemical composition in five nocturnal Oenothera species (Onagraceae) in relation to floral visitors. Planta 246, 1051-1067. - B
o żek M., Strzałkowska -Abramek M., Denisow B., 2015. Nectar and pollen production and insect visitation on ornamentals from the genus Hosta Tratt. (Asparagaceae). J. Apic. Sci. 59, 115-125. - B
rodschneider R., Crailsheim K., 2010. Nutrition and health in honey bees. Apidologie 41, 278-294. - C
hung U., Mack L., Yun J.I., Kim S.H. 2011. Predicting the timing of cherry blossoms in Washington, DC and mid-Atlantic states in response to climate change. PLoS One 6: e27439. - D
enisow B., Antoń S., Szymczak G., 2013. The flowering, pollen production, and insect visitors in the ornamental shrub Potentilla fruticosa L. (Rosaceae). J. Apic. Sci. 57, 95-106. - D
enisow B., Strzałkowska -Abramek M., 2013. Characteristics of blooming and pollen in flowers of two Syringa species (f. Oleaceae). Acta Agrobot. 66, 65-72. - D
enisow B., Strzałkowska -Abramek M., Bo żek M., Je żak A., 2014a. Early spring nectar and pollen and insect visitor behavior in two Corydalis species (Papaveraceae). J. Apic. Sci. 58, 93-102. - D
enisow B., Strzałkowska -Abramek M., Bo żek M., Je żak A., 2014b. Ornamental representatives of the genus Centaurea L. as a pollen source for bee friendly gardens. J. Apic. Sci. 58, 49-58. - D
enisow B., Strzalkowska -Abramek M., Pogroszewska E., Laskowska H., 2016. The effect of Pentakeep®-V application on flower traits and nectar production in Hosta Tratt. ‘Krossa Regal’. Acta Sci. Pol., Hortorum Cultus 15, 27-39. - D
i Pasquale G., Salignon M., Le Conte Y., Belzunces L.P., Decourtye A., Kretzschmar A.,et al ., 2013. Influence of pollen nutrition on honey bee health: do pollen quality and diversity matter? PLoS One 8: e72016. - F
arkas Á., Zajácz E., 2007. Nectar production for the Hungarian honey industry. Eur. J. Plant Sci. Biotechnol. 1, 125-151. - F
ilipiak M., 2018. A better understanding of bee nutritional ecology is needed to optimize conservation strategies for wild bees – the application of ecological stoichiometry. Insects 9(3): 85. - F
ilipiak M., Kuszewska K., Asselman M., Denisow B., Stawiarz E., Woyciechowski M.,et al ., 2017. Ecological stoichiometry of the honeybee: Pollen diversity and adequate species composition are needed to mitigate limitations imposed on the growth and development of bees by pollen quality. PLoS One 12: e0183236. - G
allai N., Salles J.M., Settele J., Vaissière B.E., 2009. Economic valuation of the vulnerability of world agriculture confronted with pollinator decline. Ecol. Econ. 68, 810-821. - G
arbuzov M., Ratnieks F.L.W., 2014. Quantifying variation among garden plants in attractiveness to bees and other flower-visiting insects. Funct. Ecol. 28, 364-374. - G
oulson D., Nicholls E., Botías C., Rotheray E.L., 2015. Bee declines driven by combined stress from parasites, pesticides, and lack of flowers. Science 347: 1255957. - G
unes N.T., 2006. Frost hardiness of some Turkish apricot cultivars during the bloom period. HortScience 41, 310-312. - G
upta J.K., Reddy M.C.M., Kumar J., 1990. Pattern of nectar secretion in wild cherry, Prunus puddum Roxb, and the associated foraging behaviour of Apis cerana indica F and Apis mellifera L. Apidologie 21, 11-16. - H
icks D.M., Ouvrard P., Baldock K.C.R., Baude M., Goddard M.A., Kunin W.E.,et al ., 2016. Food for pollinators: quantifying the nectar and pollen resources of urban flower meadows. PLoS One 11: e0158117. - Horticulture statistics, 2017. Department for Environment Food and Rural Affairs. Issued May 2018. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/712016/hort-report-31may18.pdf. Accessed 03 December 2018.
- H
orváth A., Orosz -Kovács Z.S., 2004. Individual variability of nectar secretion in the flowers of plum cv. ‘Reine-Claude d'Althann’. Acta Hortic. 636, 357-363. - J
achuła J., Denisow B., Wrzesień M., 2018a. Validation of floral food resources for pollinators in agricultural landscape in SE Poland. J. Sci. Food Agric. 98, 2672-2680. - J
achuła J., Konarska A., Denisow B., 2018b. Micromorphological and histochemical attributes of flowers and floral reward in Linaria vulgaris (Plantaginaceae). Protoplasma 1-14. - J
achuła J., Wrzesień M., Strzałkowska -Abramek M., Denisow B., 2018c. The impact of spatio-temporal changes in flora attributes and pollen availability on insect visitors in Lamiaceae species. Acta Bot. Croat. 77, 161-171. - K
asprzyk I., 2016. The variation of the onset of Betula pendula (Roth.) flowering in Rzeszów, SE Poland: fluctuation or trend? Acta Agrobot. 69: 1667, 1-10. - K
ato S., Matsumoto A., Yoshimura K., Katsuki T., Iwamoto K., Tsuda Y.,et al ., 2012. Clone identification in Japanese flowering cherry (Prunus subgenus Cerasus) cultivars using nuclear SSR markers. Breed. Sci. 62, 248-255. - M
atteson K.C., Langellotto G.A., 2011. Small scale additions of native plants fail to increase beneficial insect richness in urban gardens. Insect Conserv. Diver. 4, 89-98. - M
enzel A., Sparks T.H., Estrella N., Koch E., Aasa A., Ahas R.,et al ., 2006. European phenological response to climate change matches the warming pattern. Global Change Biol. 12, 1969-1976. - M
iller -Rushing A.J., Katsuki T., Primack R.B., Ishii Y., Lee S.D., Higuchi H., 2007. Impact of global warming on a group of related species and their hybrids: cherry tree (Rosaceae) flowering at Mt. Takao, Japan. Amer. J. Bot. 94(9), 1470-1478. - N
epi M., Grasso D.A., Mancuso S., 2018. Nectar in plant–insect mutualistic relationships: from food reward to partner manipulation. Front. Plant Sci. 9: 1063. - N
icolson S.W., Thornburg R.W., 2007. Nectar chemistry. In: Nectaries and Nectar. S.W. Nicolson, M. Nepi and E. Pacini (Eds), Springer, Dordrecht, 215-264. - N
inić -Todorović J., Ognjanov V., Čukanović J., Kurjakov A., Mladenović E., Ljubojević M.,et al ., 2012. Ornamental Prunus taxons (Prunus serrulata Lindl. and Prunus fruticosa Pall. ‘Globosa’) on Novi Sad green areas. Proc. 2nd Int. Conf. “Ecology of Urban Areas 2012”, 12 October, Kaštel – Ečka, Zrenjanin, Hunting Manor, Serbia, 386. - P
etanidou T., Smets E., 1996. Does temperature stress induce nectar secretion in Mediterranean plants? New Phytol. 133, 513-518. - P
rimack R.B., Higuchi H., Miller -Rushing A.J., 2009. The impact of climate change on cherry trees and other species in Japan. Biol. Conserv. 142, 1943-1949. - R
hodes C.J., 2018. Pollinator decline – An ecological calamity in the making? Sci. Prog. 101, 121-160. - R
ysiak A., Czarnecka B., 2018. The urban heat island and the features of the flora in the Lublin City area, SE Poland. Acta Agrobot. 71, 1736. - S
omme L., Moquet L., Quinet M., Vanderplanck M., Michez D., Lognay G.,et al ., 2016. Food in a row: urban trees offer valuable floral resources to pollinating insects. Urban Ecosyst. 19, 1149-1161. - S
tawiarz E., Wróblewska A., 2013. Flowering dynamics and pollen production of Laburnum anagyroides Med. under the conditions of South-Eastern Poland. J. Apic. Sci. 57, 103-115. - S
tawiarz E., Wróblewska A., 2014. Flowering of Siberian peashrub (Caragana arborescens Lam.) and its forage value to pollinating insects. Acta Agrobot. 67, 13-20. - S
trzałkowska -Abramek M., Jachuła J., Dmitruk M., Pogroszewska E. 2016a. Flowering phenology and pollen production of three early spring Pulsatilla species. Acta Sci. Pol., Hortorum Cultus 15, 333-346. - S
trzałkowska -Abramek M., Tymoszuk K., Jachuła J., Bo żek M. 2016b. Nectar and pollen production in Arabis procurrens Waldst. & Kit. and Iberis sempervirens L. (Brassicaceae). Acta Agrobot. 69(1): 1656, 1-10. - S
trzałkowska -Abramek M., Jachuła J., Wrzesień M., Bo żek M., Dąbrowska A., Denisow B., 2018. Nectar production in several Campanula species (Campanulaceae). Acta Sci. Pol., Hortorum Cultus 17, 127-136. - V
anbergen A.J., Garratt M.P., Vanbergen A.J., Baude M., Biesmeijer J.C., Britton N.F.,et al ., 2013. Threats to an ecosystem service: Pressures on pollinators. Front. Ecol. Environ. 11, 251-259. - W
rzesień M., Denisow B., Mamchur Z., Chuba M., Resler I., 2016a. Composition and structure of the flora in intra-urban railway areas. Acta Agrobot. 69(3):1666, 1-14. - W
rzesień M., Jachuła J., Denisow B., 2016b. Railway embankments – Refuge areas for food flora, and pollinators in agricultural landscape. J. Apic. Sci. 60, 97-110. - Z
iaja M., Denisow B., Wrzesień M., Wójcik T., 2018. Availability of food resources for pollinators in three types of lowland meadows. J. Apic. Res. 57, 467-478.