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Related Experiment Video

Updated: Feb 11, 2026

Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping

Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping

Published on: November 9, 2020

Selfing Can Facilitate Transitions between Pollination Syndromes.

Carolyn A Wessinger, John K Kelly

The American Naturalist

|April 26, 2018

Summary

Delayed selfing in plants facilitates adaptation to new, less abundant pollinators like hummingbirds by ensuring reproduction and promoting beneficial recessive mutations. This mating system is key for evolutionary transitions.

Keywords:

Haldane’s sieve floral evolution hummingbird pollination mating system pollination syndrome probability of fixation

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Last Updated: Feb 11, 2026

Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping

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Published on: November 9, 2020

Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea

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Determination of Self-Incompatibility and Inter-Incompatibility Relationships in Citrus Using Manual Pollination, Microscopy, and S-Genotype Analyses

Determination of Self-Incompatibility and Inter-Incompatibility Relationships in Citrus Using Manual Pollination, Microscopy, and S-Genotype Analyses

Published on: June 30, 2023

Area of Science:

Evolutionary Biology
Plant-Pollinator Interactions
Population Genetics

Background:

Pollinator shifts, such as from bees to hummingbirds, are driven by pollinator selection.
Plant mating systems can influence the evolutionary trajectory of pollinator attraction traits.

Purpose of the Study:

To model how the capacity for inbreeding affects evolutionary changes in plant pollinator attraction traits.
To investigate the role of delayed selfing in facilitating transitions to novel pollinators.

Main Methods:

Developed a population genetic model.
Analyzed the influence of delayed selfing versus obligate outcrossing on allele fixation probabilities.
Examined conditions favoring transitions to more efficient, less abundant pollinators.

Main Results:

Delayed selfing broadens ecological conditions favoring transitions to novel pollinators.
Delayed selfing provides reproductive assurance when new pollinators are rare.
Delayed selfing mitigates Haldane's sieve, increasing fixation of recessive beneficial alleles.

Conclusions:

Delayed selfing is advantageous for plants adapting to efficient but rare pollinators.
Recessive mutations' abundance in hummingbird attraction adaptation is explained.
Self-compatible lineages are predicted to disproportionately transition to efficient, less abundant pollinators.