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No Effect of Selective Maturation on Fruit Traits for a Bird-Dispersed Species, Sambucus racemosa

Plants (Basel), 2021-02, Vol.10 (2), p.376 [Peer Reviewed Journal]

2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2021 by the authors. 2021 ;ISSN: 2223-7747 ;EISSN: 2223-7747 ;DOI: 10.3390/plants10020376 ;PMID: 33669228

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  • Title:
    No Effect of Selective Maturation on Fruit Traits for a Bird-Dispersed Species, Sambucus racemosa
  • Author: Koyama, Kohei ; Tashiro, Mayu
  • Subjects: animal dispersal ; Birds ; Communication ; Dispersal ; Dispersion ; fruit dispersal ; fruit size ; fruit-to-flower ratio ; Fruits ; Hypotheses ; Maturation ; ornithochory ; Ovules ; Sambucus racemosa ; seed dispersal ; Seeds ; Species
  • Is Part Of: Plants (Basel), 2021-02, Vol.10 (2), p.376
  • Description: Selective abortion, also called selective maturation, is a phenomenon wherein maternal plants selectively mature ovules that have the potential to grow into higher-quality fruits, such as those that contain more seeds. We hypothesized that the effects of selective maturation on fruit traits could be influenced by the dispersal mechanism. However, to date, limited studies have been conducted on selective maturation in bird-dispersed fruits. Unlike self- or wind-dispersed species, bird-dispersed species would not selectively mature fruits that contain more seeds because they are not preferred by birds. Here, we investigated the effect of selective abortion on the fruit traits of a bird-dispersed species, elderberry ( L. subsp. ). We performed a flower-removal experiment. Half of the inflorescences on each individual tree were removed for the treatment group, whereas the control group was not manipulated. We found that the flower-removed trees showed higher fruit sets, suggesting the existence of resource limitation. The number of seeds per fruit did not increase by the experimental treatment. Additionally, the control individuals did not produce larger fruits. The lack of effects on fruit traits supported our hypothesis that the effect of selective maturation on fruit traits may differ among species with different dispersal mechanisms.
  • Publisher: Switzerland: MDPI AG
  • Language: English
  • Identifier: ISSN: 2223-7747
    EISSN: 2223-7747
    DOI: 10.3390/plants10020376
    PMID: 33669228
  • Source: PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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