Abstract
50% breaking point pressures of pollen grain walls of eleven species were determined. The breaking point pressures of most pollen grain walls are equivalent to those reported in the literature for other types of living cell walls such as bacterial spore coats, algal cell walls, mold sporophyte cells, and dicot suspension culture cells. The strongest pollen grain walls are two or three orders of magnitude stronger, however. Pollen grain walls are proportionately very thick in comparison to other types of cell walls. It is this thickness, not the construction or physical properties of the pollen grain wall, that most probably accounts for their strength.
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Algie, J. E., Lindsay, J. A., 1983: Some physical properties of coat material fromBacillus stearothermophilus spores. — Curr. Microbiol.9: 121–126.
Bolick, M. R., 1978: Taxonomic, evolutionary, and functional considerations ofCompositae pollen ultrastructure and sculpture. — Pl. Syst. Evol.130: 209–218.
—, 1981: Mechanics as an aid to interpreting pollen structure and function. — Rev. Palaeobot. Palynol.35: 61–80.
Carpita, N. C., 1985: Tensile strength of cell walls of living cells. — Pl. Physiol.79: 485–488.
Elleman, C. J., Dickinson, H. G., 1986: Pollen—stigma interactions inBrassica. IV. Structural reorganization in the pollen grains during hydration. — J. Cell Sci.80: 141–157.
—, 1987: Fixation ofBrassica oleracea pollen during hydration: a comparative study. — Pollen & Spores29: 273–290.
Heslop-Harrison, J., 1975: The adaptive significance of the exine. — InFerguson, I. K., Muller, J., (Eds.): The evolutionary significance of the exine, pp. 27–38. — London, New York: Academic Press.
—, 1979a: Pollen walls as adaptive systems. — Ann. Missouri Bot. Gard.66: 813–829.
—, 1979b: An interpretation of the hydrodynamics of pollen. — Amer. J. Bot.66: 737–743.
Heslop-Harrison, Y., Heslop-Harrison, J., 1982: The microfibrillar component of the pollen intine: Some structural features. — Ann. Bot.50: 831–842.
Kerhoas, C., Gay, G., Dumas, C., 1987: A multidisciplinary approach to the study of the plasma membrane ofZea mays pollen during controlled dehydration. — Planta171: 1–10.
Kress, W. J., Stone, D. E., 1982: Nature of the sporoderm in monocotyledons, with special reference to the pollen grains ofCanna andHeliconia. — Grana21: 129–148.
Muller, J., 1979: Form and function in angiosperm pollen. — Ann. Missouri Bot. Gard.66: 593–632.
—, 1981: Exine architecture and function in someLythraceae andSonneratiaceae. — Rev. Palaeobot. Palynol.35: 93–123.
Pacini, E., 1990: Harmomegathic characters ofPteridophyta spores andSpermatophyta pollen. — Pl. Syst. Evol. Suppl.5: 53–69.
Payne, W. W., 1972: Observations of harmomegathy in pollen ofAnthophyta. — Grana12: 93–98.
—, 1981: Structure and function in angiosperm pollen wall evolution. — Rev. Palaeobot. Palynol.35: 39–60.
Prahl, A.-K., Springstubbe, H., Grumbach, K., Wiermann, R., 1985: Studies on sporopollenin biosynthesis: The effect of inhibitors of carotenoid biosynthesis on sporopollenin accumulation. — Z. Naturf.40C: 621–626.
Scotland, R. W., Barnes, S. H., Blackmore, S., 1990: Harmomegathy in theAcanthaceae. — Grana29: 37–45.
Skvarla, J. J., Turner, B. L., Patel, V. C., Tomb, A. S., 1977: Pollen morphology in theCompositae and in morphologically related families. — InHeywood, V. H., Harborne, J. B., Turner, B. L., (Eds.): The biology and chemistry of theCompositae, pp. 141–248. — London: Academic Press.
—, 1970: The pollen wall ofCanna and its similarity to the germinal apertures of other pollen. — Amer. J. Bot.57: 519–529.
Snedecor, G. W., Cochran, W. G., 1967: Statistical methods. — Ames, Iowa: Iowa State University Press.
Stone, D. E., 1987: Developmental evidence for the convergence ofSassafras (Laurales) andHeliconia (Zingiberales) pollen. — Grana26: 179–191.
Wainwright, S. A., Biggs, W. D., Currey, J. D., Gosline, J. M., 1976: Mechanical design in organisms. — New York: Wiley.
Walker, J. W., 1976: Evolutionary significance of the exine in the pollen of primitive angiosperms. — InFerguson, I. K., Muller, J., (Eds.): The evolutionary significance of the exine, pp. 251–308. — London: Academic Press.
Wodehouse, R. P., 1935: Pollen grains. — New York: McGraw-Hill.
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Bolick, M.R., Vogel, S. Breaking strengths of pollen grain walls. Pl Syst Evol 181, 171–178 (1992). https://doi.org/10.1007/BF00937442
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DOI: https://doi.org/10.1007/BF00937442