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  1. H150 博物館
  2. H150a 雑誌掲載論文
  3. 学術雑誌

Comparisons among populations and individuals to evaluate pollen–pistil interaction as a mechanism of reproductive interference in Taraxacum

http://hdl.handle.net/2237/0002002286
http://hdl.handle.net/2237/0002002286
395d18fd-6fa4-4b3c-abb7-825ecf3f79f8
名前 / ファイル ライセンス アクション
Hashimoto2021_repo.pdf Hashimoto2021_repo.pdf (878 KB)
Item type itemtype_ver1(1)
公開日 2022-03-31
タイトル
タイトル Comparisons among populations and individuals to evaluate pollen–pistil interaction as a mechanism of reproductive interference in Taraxacum
言語 en
著者 Hashimoto, Keisuke

× Hashimoto, Keisuke

en Hashimoto, Keisuke

Search repository
Yamamoto, Akane

× Yamamoto, Akane

en Yamamoto, Akane

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Kanaoka, Masahiro M.

× Kanaoka, Masahiro M.

en Kanaoka, Masahiro M.

Search repository
Naiki, Akiyo

× Naiki, Akiyo

en Naiki, Akiyo

Search repository
Takakura, Ko-Ichi

× Takakura, Ko-Ichi

en Takakura, Ko-Ichi

Search repository
Nishida, Sachiko

× Nishida, Sachiko

en Nishida, Sachiko

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1007/s10265-021-01352-x
キーワード
主題Scheme Other
主題 Heterospecific pollen transfer
キーワード
主題Scheme Other
主題 Pollen–pistil interaction
キーワード
主題Scheme Other
主題 Reproductive interference
キーワード
主題Scheme Other
主題 Taraxacum
キーワード
主題Scheme Other
主題 Taraxacum officinale
内容記述
内容記述 Reproductive interference (RI), an interspecific mating interaction that reduces the fitness of at least one of the species involved, can lead to exclusive distributions in closely related species. A hypothesis previously proposed is that RI in plants may occur by ovule usurpation, in which pistils lack interspecific incompatibility and mistakenly accept heterospecific pollen, thereby losing an opportunity for conspecific pollen fertilization. However, few comparative studies have evaluated the consistency of the inferred mechanism within and among individuals and populations. We conducted hand-pollination experiments in six populations of three native Taraxacum species that suffered from different levels of RI from an alien congener, T. officinale, and compared pollen–pistil interactions among populations. We also investigated the interactions for eight individual T. japonicum plants whose response to heterospecific pollen deposition had been previously measured. Our results revealed that pollen tubes often penetrated native ovaries following heterospecific pollination in populations suffering from strong RI, whereas they seldom did in populations suffering from marginal RI. However, the relative frequency of the pollen tube penetration was not significantly related to the strength of alien RI. Not all pistils on an individual plant showed the same pollen receptivity following heterospecific pollination; rather, some accepted and some refused the pollen tubes. The relationship between pollen tube penetration following heterospecific pollination and the strength of the alien RI was also not significant among individuals. Our present results generally support the ovule usurpation hypothesis, but suggest that other factors, such as competition for pollinator services, variation in the effects of heterospecific pollen donors, and condition of the native inflorescences, might also affect the observed RI strength.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Springer
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
関連情報
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s10265-021-01352-x
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 0918-9440
書誌情報 en : Journal of Plant Research

巻 135, 号 1, p. 29-40, 発行日 2022-01
ファイル公開日
日付 2023-01-01
日付タイプ Available
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