Wind of change: new insights on the ecology and evolution of pollination and mating in wind-pollinated plants

Friedman, Jannice; Barrett, Spencer C. H.

doi:10.1093/aob/mcp035

Cited by 392 publications

(394 citation statements)

References 120 publications

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“…However, the model of Sakai and Sakai (2003) does not consider the shape of pollen dispersal kernel, which is likely linked to the relative size of pollen dispersal area ( l ) of the large plants to the small plants. If fat‐tailed pollen dispersal is assumed in the model, the class of plants that is male‐biased may be determined not only by k and t but also by l, as suggested in many previous studies (Burd & Allen, 1988; Friedman & Barrett, 2009; Klinkhamer et al., 1997; Zhang, 2006). Further theoretical studies are needed to better understand this hypothesis.…”

Section: Discussionmentioning

confidence: 93%

Size advantage for male function and size‐dependent sex allocation inAmbrosia artemisiifolia, a wind‐pollinated plant

Nakahara

Fukano

Hirota

et al. 2017

Ecology and Evolution

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In wind‐pollinated plants, male‐biased sex allocation is often positively associated with plant size and height. However, effects of size (biomass or reproductive investment) and height were not separated in most previous studies. Here, using experimental populations of monoecious plants, Ambrosia altemisiifolia, we examined (1) how male and female reproductive investments (MRI and FRI) change with biomass and height, (2) how MRI and height affect male reproductive success (MRS) and pollen dispersal, and (3) how height affects seed production. Pollen dispersal kernel and selection gradients on MRS were estimated by 2,102 seeds using six microsatellite markers. First, MRI increased with height, but FRI did not, suggesting that sex allocation is more male‐biased with increasing plant height. On the other hand, both MRI and FRI increased with biomass but often more greatly for FRI, and consequently, sex allocation was often female‐biased with biomass. Second, MRS increased with both height and MRI, the latter having the same or larger effect on MRS. Estimated pollen dispersal kernel was fat‐tailed, with the maximum distance between mates tending to increase with MRI but not with height. Third, the number of seeds did not increase with height. Those findings showed that the male‐biased sex allocation in taller plants of A. artemisiifolia is explained by a direct effect of height on MRS.

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Section: Discussionmentioning

confidence: 93%

Size advantage for male function and size‐dependent sex allocation inAmbrosia artemisiifolia, a wind‐pollinated plant

Nakahara

Fukano

Hirota

et al. 2017

Ecology and Evolution

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“…For example, recent phylogenetic evidence suggests that transitions from pollination by short-tongued pollinators to those with longer tongues, such as from bee to hummingbird, may often be irreversible (Whittall & Hodges 2007;Thomson & Wilson 2008; but see Tripp & Manos 2008). Similarly, the evolution of dioecy probably reduces the possibility for selfing solutions to pollinator rarity and/or mate limitation, instead favouring the evolution of wind pollination (Friedman & Barrett 2009). Such historical constraints may even contribute to the limited evolutionary success of some reproductive systems.…”

Section: ; Also Van Kleunen and Johnson 2007)mentioning

confidence: 99%

Floral adaptation and diversification under pollen limitation

Harder

Aizen

2010

Phil. Trans. R. Soc. B

153

151

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Pollen limitation (PL) of seed production creates unique conditions for reproductive adaptation by angiosperms, in part because, unlike under ovule or resource limitation, floral interactions with pollen vectors can contribute to variation in female success. Although the ecological and conservation consequences of PL have received considerable attention in recent times, its evolutionary implications are poorly appreciated. To identify general influences of PL on reproductive adaptation compared with those under other seed-production limits and their implications for evolution in altered environments, we derive a model that incorporates pollination and postpollination aspects of PL. Because PL always favours increased ovule fertilization, even when population dynamics are not seed limited, it should pervasively influence selection on reproductive traits. Significantly, under PL the intensity of inbreeding does not determine whether outcrossing or autonomous selfing can evolve, although it can affect which response is most likely. Because the causes of PL are multifaceted in both natural and anthropogenically altered environments, the possible outcrossing solutions are diverse and context dependent, which may contribute to the extensive variety of angiosperm reproductive characteristics. Finally, the increased adaptive options available under PL may be responsible for positive global associations between it and angiosperm diversity.

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“…The first involved comparative analyses to examine whether traits in ancestral lineages might influence whether wind pollination evolves (Friedman & Barrett 2008). The second uses field experiments to determine if the assumption of pollination inefficiency is as valid as many have suggested (Friedman & Barrett 2009). We conducted a comparative analysis of 560 angiosperm species, including 68 wind-pollinated species, to investigate the correlated evolution of reproductive traits and the order in which they were acquired in lineages (Friedman & Barrett 2008).…”

Section: Evolution Of Wind Pollinationmentioning

confidence: 99%

Darwin's legacy: the forms, function and sexual diversity of flowers

Barrett

2010

Phil. Trans. R. Soc. B

Self Cite

119

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Charles Darwin studied floral biology for over 40 years and wrote three major books on plant reproduction. These works have provided the conceptual foundation for understanding floral adaptations that promote cross-fertilization and the mechanisms responsible for evolutionary transitions in reproductive systems. Many of Darwin's insights, gained from careful observations and experiments on diverse angiosperm species, remain remarkably durable today and have stimulated much current research on floral function and the evolution of mating systems. Here I review Darwin's seminal contributions to reproductive biology and provide an overview of the current status of research on several of the main topics to which he devoted considerable effort, including the consequences to fitness of cross-versus self-fertilization, the evolution and function of stylar polymorphisms, the adaptive significance of heteranthery, the origins of dioecy and related gender polymorphisms, and the transition from animal pollination to wind pollination. Post-Darwinian perspectives on floral function now recognize the importance of pollen dispersal and male outcrossed siring success in shaping floral adaptation. This has helped to link work on pollination biology and mating systems, two subfields of reproductive biology that remained largely isolated during much of the twentieth century despite Darwin's efforts towards integration.

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Wind of change: new insights on the ecology and evolution of pollination and mating in wind-pollinated plants

Cited by 392 publications

References 120 publications

Size advantage for male function and size‐dependent sex allocation inAmbrosia artemisiifolia, a wind‐pollinated plant

Size advantage for male function and size‐dependent sex allocation inAmbrosia artemisiifolia, a wind‐pollinated plant

Floral adaptation and diversification under pollen limitation

Darwin's legacy: the forms, function and sexual diversity of flowers

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