Pollen clumping and wind dispersal in an invasive angiosperm

Michael D. Martin, Marcelo Chamecki, Grace S. Brush, Charles Meneveau, Marc B. Parlange

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Pollen dispersal is a fundamental aspect of plant reproductive biology that maintains connectivity between spatially separated populations. Pollen clumping, a characteristic feature of insect-pollinated plants, is generally assumed to be a detriment to wind pollination because clumps disperse shorter distances than do solitary pollen grains. Yet pollen clumps have been observed in dispersion studies of some widely distributed wind-pollinated species. We used Ambrosia artemisiifolia (common ragweed; Asteraceae), a successful invasive angiosperm, to investigate the effect of clumping on wind dispersal of pollen under natural conditions in a large field. Results of simultaneous measurements of clump size both in pollen shedding from male flowers and airborne pollen being dispersed in the atmosphere are combined with a transport model to show that rather than being detrimental, clumps may actually be advantageous for wind pollination. Initial clumps can pollinate the parent population, while smaller clumps that arise from breakup of larger clumps can cross-pollinate distant populations.

Original languageEnglish (US)
Pages (from-to)1703-1711
Number of pages9
JournalAmerican journal of botany
Volume96
Issue number9
DOIs
StatePublished - Sep 1 2009

Fingerprint

Angiosperms
Pollen
angiosperm
Angiospermae
pollen
wind pollination
pollen flow
Ambrosia
Pollination
pollination
Ambrosia artemisiifolia
male flowers
Population
Asteraceae
reproductive biology
Atmosphere
Biological Sciences
Insects
connectivity
insects

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Plant Science

Cite this

Martin, M. D., Chamecki, M., Brush, G. S., Meneveau, C., & Parlange, M. B. (2009). Pollen clumping and wind dispersal in an invasive angiosperm. American journal of botany, 96(9), 1703-1711. https://doi.org/10.3732/ajb.0800407
Martin, Michael D. ; Chamecki, Marcelo ; Brush, Grace S. ; Meneveau, Charles ; Parlange, Marc B. / Pollen clumping and wind dispersal in an invasive angiosperm. In: American journal of botany. 2009 ; Vol. 96, No. 9. pp. 1703-1711.
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Martin, MD, Chamecki, M, Brush, GS, Meneveau, C & Parlange, MB 2009, 'Pollen clumping and wind dispersal in an invasive angiosperm', American journal of botany, vol. 96, no. 9, pp. 1703-1711. https://doi.org/10.3732/ajb.0800407

Pollen clumping and wind dispersal in an invasive angiosperm. / Martin, Michael D.; Chamecki, Marcelo; Brush, Grace S.; Meneveau, Charles; Parlange, Marc B.

In: American journal of botany, Vol. 96, No. 9, 01.09.2009, p. 1703-1711.

Research output: Contribution to journalArticle

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Martin MD, Chamecki M, Brush GS, Meneveau C, Parlange MB. Pollen clumping and wind dispersal in an invasive angiosperm. American journal of botany. 2009 Sep 1;96(9):1703-1711. https://doi.org/10.3732/ajb.0800407