NDLI: The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta

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The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta

Content Provider	Springer Nature Link
Author	Hoballah, Maria Elena Stuurman, Jeroen Turlings, Ted C. J. Guerin, Patrick M. Connétable, Sophie Kuhlemeier, Cris
Copyright Year	2005
Abstract	In the genus Petunia, distinct pollination syndromes may have evolved in association with bee-visitation (P. integrifolia spp.) or hawk moth-visitation (P. axillaris spp). We investigated the extent of congruence between floral fragrance and olfactory perception of the hawk moth Manduca sexta. Hawk moth pollinated P. axillaris releases high levels of several compounds compared to the bee-pollinated P. integrifolia that releases benzaldehyde almost exclusively. The three dominating compounds in P. axillaris were benzaldehyde, benzyl alcohol and methyl benzoate. In P. axillaris, benzenoids showed a circadian rhythm with an emission peak at night, which was absent from P. integrifolia. These characters were highly conserved among different P. axillaris subspecies and P. axillaris accessions, with some differences in fragrance composition. Electroantennogram (EAG) recordings using flower-blends of different wild Petunia species on female M. sexta antennae showed that P. axillaris odours elicited stronger responses than P. integrifolia odours. EAG responses were highest to the three dominating compounds in the P. axillaris flower odours. Further, EAG responses to odour-samples collected from P. axillaris flowers confirmed that odours collected at night evoked stronger responses from M. sexta than odours collected during the day. These results show that timing of odour emissions by P. axillaris is in tune with nocturnal hawk moth activity and that flower-volatile composition is adapted to the antennal perception of these pollinators.
Starting Page	141
Ending Page	150
Page Count	10
File Format	PDF
ISSN	00320935
Journal	Planta
Volume Number	222
Issue Number	1
e-ISSN	14322048
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-05-13
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electroantennogram studies Flower volatile collection Gas chromatography Manduca sexta Petunia axillaris Petunia integrifolia Plant Sciences Agriculture Ecology Forestry
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science

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The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta

Data from: Isolation barriers between Petunia axillaris and Petunia integrifolia (Solanaceae) (Dataset)

Isolation barriers between petunia axillaris and Petunia integrifolia (Solanaceae).

Corolla shape vs. size in flower choice by a nocturnal hawkmoth pollinator

Manduca sexta (2007).

Identification of QTL for crop timing and quality traits in an interspecific Petunia population

Data from: Flower movement balances pollinator needs and pollen protection (Dataset)

Circadian clocks of both plants and pollinators influence flower seeking behavior of the pollinator hawkmoth Manduca sexta.

Floral Scent Diversity is Differently Expressed in Emitted and Endogenous Components in Petunia axillaris Lines

The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta

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The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta

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The composition and timing of flower odour emission by wild Petunia axillaris coincide with the antennal perception and nocturnal activity of the pollinator Manduca sexta