Abstract
Pollen tube competition is widely cited as a possible mechanism for nonrandom fertilization and gametophytic selection (see recent reviews by Snow, 1986; Mulcahy and Mulcahy, 1987; Walsh and Charlesworth, 1991). Two general approaches have been used to vary the intensity of pollen competition and study effects on progeny fitness. One involves varying the stylar distance which pollen tubes must traverse to reach the ovules. This technique has been extremely useful in studies of maize, for example, which has silks of vastly different lengths on the same ear (e.g., Sari-Gorla and coworkers, this volume). Competition among pollen tubes should be strongest in the longest silks.
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© 1992 Springer-Verlag New York, Inc.
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Snow, A.A., Spira, T.P. (1992). Germination as a Component of Pollen Competitive Ability in Hibiscus moscheutos . In: Ottaviano, E., Gorla, M.S., Mulcahy, D.L., Mulcahy, G.B. (eds) Angiosperm Pollen and Ovules. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-2958-2_63
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DOI: https://doi.org/10.1007/978-1-4612-2958-2_63
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