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Mating systems in two species ofPotentilla from Alaska

  • Apomixis and Taxonomy Proceedings of the Symposium held in Pruhonice, Czech Republic 1995; edited by A.J. Richards, J. Kirschner, J. Stepanek & K. Marhold
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Abstract

Aspects of reproductive ecology have been studied in two species ofPotentilla (Rosaceae) from interior Alaska. Data were collected to determine mating system traits such as seed: ovule and pollen: ovule ratios, and experiments were carried out in the field in order to study the effect of caging, emasculation, and manual self-pollination on seed set and seed quality. Mating system strategies differ between the two species in the populations examined. High pollen: ovule ratio, high seed: ovule ratio, good autodeposition ability, and unpredictable pollination in concert with self-incompatibility indicate thatP. hookeriana in the population studied has adopted a more or less pseudogamous mating system. In contrast, the data suggest thatP. uniflora in the studied population is approaching a sexual, facultatively outbreeding species. Because both species exhibit ploidy variation, a trait common among agamospermous plants, it is concluded that both species are likely to be facultatively agamospermous but that sexual reproduction is much more important in the population ofP. uniflora than it is inP. hookeriana.

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References

  • Acharya Goswami D. &Matfield B. (1974): Pseudogamy in the genusPotentilla L.New Phytol. 73: 1243–1247.

    Article  Google Scholar 

  • Asker S. (1977): Pseudogamy, hybridization and evolution inPotentilla.Hereditas 87: 179–184.

    Article  Google Scholar 

  • Barrett S. C. H. (1988): The evolution, maintenance, and loss of self-incompatibility systems. In:Lovett Doust J. &Lovett Doust L. (eds.),Plant reproductive ecology, Oxford University Press, New York, pp. 98–124.

    Google Scholar 

  • Campbell C.S. &Dickinson T.A. (1990): Apomixis, patterns of morphological variation, and species concepts in subfam.Maloideae (Rosaceae).Syst. Bot. 15: 124–135.

    Article  Google Scholar 

  • Cideciyan M.A. &Malloch A.J.C. (1982): Effects of seed size on the germination, growth and competitive ability ofRumex crispus andRumex obtusifolius.J. Ecol. 70: 227–232.

    Article  Google Scholar 

  • Cruden R.W. (1977): Pollen-ovule ratios: a conservative indicator of breeding systems in flowering plants.Evolution 31: 32–45.

    Article  Google Scholar 

  • Dickinson T.A. &Phipps J.B. (1986): Studies inCrataegus (Rosaceae: Maloideae) XIV. The breeding system ofCrataegus crus-galli sensu lato in Ontario.Amer. J. Bot. 73: 116–130.

    Article  Google Scholar 

  • Goldblatt P. (1981): Index to plant chromosome numbers 1975–1978.Monogr. Syst. Bot. Missouri Bot. Gard. 5: 440–442.

    Google Scholar 

  • Goldblatt P. (1988): Index to plant chromosome numbers 1979–1986.Monogr. Syst. Bot. Missouri Bot. Gard. 23: 194–195.

    Google Scholar 

  • Goldblatt P. &Johnson D.E. (1990): Index to plant chromosome numbers 1987–1989.Monogr. Syst. Bot. Missouri Bot. Gard. 30: 168–169.

    Google Scholar 

  • Haskell G. (1960): Role of the male parent in crosses involving apomicticRubus species.Heredity 14: 101–113.

    Google Scholar 

  • Hendrix S.D. (1984): Variation in seed weight and its effects on germination inPastinaca sativa L. (Umbelliferae).Amer. J. Bot. 71: 795–802.

    Article  Google Scholar 

  • Hultén E. (1968):Flora of Alaska and neighboring territories. Stanford University Press, Stanford.

    Google Scholar 

  • Ietswaart J.H. &Kliphuis E. (1985): Hybrids between DutchTormentillae (Potentilla, Rosaceae).Acta Bot. Neerl. 34: 157–170.

    Google Scholar 

  • Juzepczuk S. (1941): Rod 739. Lapĉatka—Potentilla. In:Komarov V. (ed.),Flora SSSR 10 (Flora of the U.S.S.R. 10), Moskva, Leningrad, pp. 78–223.

  • Kellogg E.A. (1990): Variation and species limits in agamospermous grasses.Syst. Bot. 15: 112–123.

    Article  Google Scholar 

  • Löve Á. &Löve D. (1948):Chromosome numbers of northern plant species. Ingólfsprent, Reykjavík.

    Google Scholar 

  • Molau U., Carlsson M., Dahlberg A. &Hill Ö. (1989): Mating system and pollen-mediated gene flow inBartsia alpina.Oikos 55: 409–419.

    Article  Google Scholar 

  • Molau U. (1993): Relationships between flowering phenology and life history strategies in tundra plants.Arct. Alpine Res. 25: 391–402.

    Article  Google Scholar 

  • Morgan D.R., Soltis D.E. &Robertson K.R. (1994): Systematic and evolutionary implications of rbcL sequence variation inRosaceae.Amer. J. Bot. 81: 890–903.

    Article  CAS  Google Scholar 

  • Muniyamma M. &Phipps J.B. (1979a): Cytological proof of apomixis inCrataegus (Rosaceae).Amer. J. Bot. 66: 149–155.

    Article  Google Scholar 

  • Muniyamma M. &Phipps J.B. (1979b): Meiosis and polyploidy in Ontario species ofCrataegus in relation to their systematics.Canad. J. Genet. Cytol. 21: 231–241.

    Google Scholar 

  • Müntzing A. (1928): Pseudogamie der GattungPotentilla.Hereditas 11: 267–283.

    Google Scholar 

  • Müntzing A. (1931): Note on the cytology of some apomicticPotentilla-species.Hereditas 15 166–178.

    Article  Google Scholar 

  • Ramirez N. &Brito Y. (1990): Reproductive biology of a tropical palm swamp community in the Venezuelan Llanos.Amer. J. Bot. 77: 1260–1271.

    Article  Google Scholar 

  • Skalińska M. &Czapik R. (1958): Studies in the cytology of the genusPotentilla L.Acta Biol. Cracov., Ser. Bot. 1: 137–149.

    Google Scholar 

  • Smith G.L. (1963a): Studies inPotentilla. I. Embryological investigations into the mechanism of agamospermy in BritishP. tabernaemontaniAschers.New Phytol. 62: 264–282.

    Article  Google Scholar 

  • Smith G.L. (1963b): Studies inPotentilla: II. Cytological aspects of apomixis inP. crantzii(Cr.) Beck exFritsch.New Phytol. 62: 283–300.

    Article  Google Scholar 

  • Soják J. (1985): Some new northern hybrids inPotentilla L.Preslia 57: 263–266.

    Google Scholar 

  • Soják J. (1986): Notes onPotentilla. I. Hybridogenous species derived from intersectional hybrids of sect.Niveae×sect.Multifidae. Bot. Jahrb. Syst. 106: 145–210.

    Google Scholar 

  • Sokal R.R. &Rohlf F.J. (1987):Introduction to biostatistics. Ed. 2. W.H. Freeman & Company, New York.

    Google Scholar 

  • Svensson L. (1985): An estimate of pollen carryover by ants in a natural population ofScleranthus perennis L. (Caryophyllaceae).Oecologia 66: 373–377.

    Article  Google Scholar 

  • Temme D.H. (1986): Seed size variability: a consequence of variable genetic quality among offspring?.Evolution 40: 414–417.

    Article  Google Scholar 

  • Wiens D. (1984): Ovule survivorship, brood size, life history, breeding systems, and reproductive success in plants.Oecologia 64: 47–53.

    Article  Google Scholar 

  • Wolf T. (1908): Monographie der GattungPotentilla.Biblioth. Bot. 16: 1–714.

    Google Scholar 

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Author notes

  1. Bente Eriksen

    Present address: Dept. of Systematic Botany, University of Göteborg, Carl Skottsbergs Gata 22 B, S-413 19, Göteborg, Sweden

Authors and Affiliations

  1. University of Alaska Museum, 907 Yukon Drive, AK 99775-6960, Fairbanks, Alaska, U.S.A.

    Bente Eriksen

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  1. Bente Eriksen
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Eriksen, B. Mating systems in two species ofPotentilla from Alaska. Folia Geobot 31, 333–344 (1996). https://doi.org/10.1007/BF02815378

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