22. Petanidou T (2005) Sugars in Mediterranean floral nectars: an ecological and evolutionary
approach. J Chem Ecol 31:1065–1088. https://doi.org/10.1007/s10886-005-4248-y
23. Pacini E, Nepi M (2007) Nectar production and presentation. In: Nicolson S, Nepi M, Pacini E
(eds) Nectaries and nectar, 1st edn. Springer, Dordrecht
24. Mačukanović M, Duletić S, Jocić G (2004) Nectar production in three melliferous species
of Lamiaceae in natural and experimental conditions. Acta Vet Brno 54:475–487. https://scindeksclanci.ceon.rs/data/pdf/0567-8315/2004/0567-83150406475M.pdf. Accessed 10 Sept 2018
25. Kaczorowski RL, Gardener MC, Holtsford TP (2005) Nectar traits in Nicotiana section Alatae
(Solanaceae) in relation to floral traits, pollinators, and mating system. Am J Bot 92:
1270–1283. https://doi.org/10.3732/ajb.92.8.1270
26. Rodríguez-Riaño T, Ortega-Olivencia A, López J, Pérez-Bote JL, Navarro-Pérez ML (2014)
Main sugar composition of floral nectar in three species groups of Scrophularia
(Scrophulariaceae) with different principal pollinators. Plant Biol 16:1075–1086. https://doi.
org/10.1111/plb.12159
27. González A, Rowe CL, Weeks PJ, Whittle D, Gilbert FS, Barnard CJ (1995) Flower choice by
honey bees (Apis mellifera L.): sex-phase of flowers and preferences among nectar and pollen
foragers. Oecologia 101:258–264. https://doi.org/10.1007/BF00317292
28. Nicolson SW (2007) Nectar consumers. In: Nicolson SW, Nepi M, Pacini E (eds) Nectaries
and nectar, 1st edn. Springer, Dordrecht
29. Adler LS (2000) The ecological significance of toxic nectar. Oikos 91:409–420. https://doi.
org/10.1034/j.1600-0706.2000.910301.x
30. Raguso RA (2004) Why are some floral nectars scented. Ecology 85:1486–1494. https://doi.
org/10.1890/03-0410
31. Thorp RW, Briggs DL, Esters JR, Erickson EH (1975) Nectar fluorescence under ultraviolet
irradiation. Science 189:476–478. https://doi.org/10.1126/science.189.4201.476
32. Baker HG, Baker I, Hodges SA (1998) Sugar composition of nectar and fruits consumed by
birds and bats in the tropics and subtropics. Biotropica 30:559–586. https://doi.org/10.1111/
j.1744-7429.1998.tb00097.x
33. Nicolson SW, Fleming PA (2003) Nectar as food for birds: the physiological consequences of
drinking dilute sugar solutions. Plant Syst Evol 238:139–153. https://doi.org/10.1007/s00606003-0276-7
34. Petanidou T, van Laere A, Ellis WN, Smets E (2006) What shapes amino acid and sugar
composition in Mediterranean floral nectars. Oikos 115:155–169. https://doi.org/10.1111/
j.2006.0030-1299.14487.x
35. Reinhard J, Srinivasan MV, Guez D, Zhang WS (2004) Floral scents induce recall of
navigational and visual memories in honey bees. J Exp Biol 207:4371–4381. https://doi.org/
10.1242/jeb.01306
36. Rathcke BJ (1992) Nectar distributions, pollinator behavior, and plant reproductive success.
In: Hunter MD, Ohgushi T, Price PW (eds) Effects of resource distribution on animal–plant
interactions, 1st edn. Academic, New York
37. Cushnie Canto A, Herrera CM, García IM, Pérez R, Vaz M (2011) Intraplant variation in nectar
traits in Helleborus foetidus (Ranunculaceae) as related to floral phase, environmental conditions and pollinator exposure. Flora 206:668–675. https://doi.org/10.1016/j.flora.2011.02.003
38. Herrera CM, Pérez R, Alonso C (2006) Extreme intra-plant variation in nectar sugar composition
in an insect-pollinated perennial herb. Am J Bot 93:575–581. https://doi.org/10.3732/ajb.93.4.575
39. Canto A, Pérez R, Medrano M, Castellanos MC, Herrera CM (2007) Intra-plant variation in
nectar sugar composition in two Aquilegia species (Ranunculaceae): contrasting patterns under
field and glasshouse conditions. Ann Bot 99:653–660. https://doi.org/10.1093/aob/mcl291
40. Rodrigues LC, Morales MR, Fernandes AJB, Ortiz JM (2008) Morphological characterization
of sweet and sour cherry cultivars in a germplasm bank at Portugal. Genet Resour Crop Evol
55:593–601. https://doi.org/10.1007/s10722-007-9263-0
41. Bukovics P, Szabó LG, Orosz-Kovács Z, Farkas Á (2006) Nectar composition in ‘Újfehértói
Fürtös’and ‘Pándy 48’ sour cherry cultivars. Acta Bot Hung 48:271–277. https://doi.org/
10.1556/ABot.48.2006.3-4.3
29 Sugar and Polyphenolic Diversity in Floral Nectar of Cherry
769
approach. J Chem Ecol 31:1065–1088. https://doi.org/10.1007/s10886-005-4248-y
23. Pacini E, Nepi M (2007) Nectar production and presentation. In: Nicolson S, Nepi M, Pacini E
(eds) Nectaries and nectar, 1st edn. Springer, Dordrecht
24. Mačukanović M, Duletić S, Jocić G (2004) Nectar production in three melliferous species
of Lamiaceae in natural and experimental conditions. Acta Vet Brno 54:475–487. https://scindeksclanci.ceon.rs/data/pdf/0567-8315/2004/0567-83150406475M.pdf. Accessed 10 Sept 2018
25. Kaczorowski RL, Gardener MC, Holtsford TP (2005) Nectar traits in Nicotiana section Alatae
(Solanaceae) in relation to floral traits, pollinators, and mating system. Am J Bot 92:
1270–1283. https://doi.org/10.3732/ajb.92.8.1270
26. Rodríguez-Riaño T, Ortega-Olivencia A, López J, Pérez-Bote JL, Navarro-Pérez ML (2014)
Main sugar composition of floral nectar in three species groups of Scrophularia
(Scrophulariaceae) with different principal pollinators. Plant Biol 16:1075–1086. https://doi.
org/10.1111/plb.12159
27. González A, Rowe CL, Weeks PJ, Whittle D, Gilbert FS, Barnard CJ (1995) Flower choice by
honey bees (Apis mellifera L.): sex-phase of flowers and preferences among nectar and pollen
foragers. Oecologia 101:258–264. https://doi.org/10.1007/BF00317292
28. Nicolson SW (2007) Nectar consumers. In: Nicolson SW, Nepi M, Pacini E (eds) Nectaries
and nectar, 1st edn. Springer, Dordrecht
29. Adler LS (2000) The ecological significance of toxic nectar. Oikos 91:409–420. https://doi.
org/10.1034/j.1600-0706.2000.910301.x
30. Raguso RA (2004) Why are some floral nectars scented. Ecology 85:1486–1494. https://doi.
org/10.1890/03-0410
31. Thorp RW, Briggs DL, Esters JR, Erickson EH (1975) Nectar fluorescence under ultraviolet
irradiation. Science 189:476–478. https://doi.org/10.1126/science.189.4201.476
32. Baker HG, Baker I, Hodges SA (1998) Sugar composition of nectar and fruits consumed by
birds and bats in the tropics and subtropics. Biotropica 30:559–586. https://doi.org/10.1111/
j.1744-7429.1998.tb00097.x
33. Nicolson SW, Fleming PA (2003) Nectar as food for birds: the physiological consequences of
drinking dilute sugar solutions. Plant Syst Evol 238:139–153. https://doi.org/10.1007/s00606003-0276-7
34. Petanidou T, van Laere A, Ellis WN, Smets E (2006) What shapes amino acid and sugar
composition in Mediterranean floral nectars. Oikos 115:155–169. https://doi.org/10.1111/
j.2006.0030-1299.14487.x
35. Reinhard J, Srinivasan MV, Guez D, Zhang WS (2004) Floral scents induce recall of
navigational and visual memories in honey bees. J Exp Biol 207:4371–4381. https://doi.org/
10.1242/jeb.01306
36. Rathcke BJ (1992) Nectar distributions, pollinator behavior, and plant reproductive success.
In: Hunter MD, Ohgushi T, Price PW (eds) Effects of resource distribution on animal–plant
interactions, 1st edn. Academic, New York
37. Cushnie Canto A, Herrera CM, García IM, Pérez R, Vaz M (2011) Intraplant variation in nectar
traits in Helleborus foetidus (Ranunculaceae) as related to floral phase, environmental conditions and pollinator exposure. Flora 206:668–675. https://doi.org/10.1016/j.flora.2011.02.003
38. Herrera CM, Pérez R, Alonso C (2006) Extreme intra-plant variation in nectar sugar composition
in an insect-pollinated perennial herb. Am J Bot 93:575–581. https://doi.org/10.3732/ajb.93.4.575
39. Canto A, Pérez R, Medrano M, Castellanos MC, Herrera CM (2007) Intra-plant variation in
nectar sugar composition in two Aquilegia species (Ranunculaceae): contrasting patterns under
field and glasshouse conditions. Ann Bot 99:653–660. https://doi.org/10.1093/aob/mcl291
40. Rodrigues LC, Morales MR, Fernandes AJB, Ortiz JM (2008) Morphological characterization
of sweet and sour cherry cultivars in a germplasm bank at Portugal. Genet Resour Crop Evol
55:593–601. https://doi.org/10.1007/s10722-007-9263-0
41. Bukovics P, Szabó LG, Orosz-Kovács Z, Farkas Á (2006) Nectar composition in ‘Újfehértói
Fürtös’and ‘Pándy 48’ sour cherry cultivars. Acta Bot Hung 48:271–277. https://doi.org/
10.1556/ABot.48.2006.3-4.3
29 Sugar and Polyphenolic Diversity in Floral Nectar of Cherry
769