2015
DOI: 10.1111/jeb.12656
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Sexual antagonism in the pistil varies among populations of a hermaphroditic mixed‐mating plant

Abstract: Sexual conflicts and their evolutionary outcomes may be influenced by population-specific features such as mating system and ecological context; however, very few studies have investigated the link between sexual conflict and mating system. The self-compatible, mixed-mating hermaphrodite Collinsia heterophylla (Plantaginaceae) is thought to exhibit a sexual conflict over timing of stigma receptivity. This conflict involves (i) delayed stigma receptivity, which intensifies pollen competition, and (ii) early fer… Show more

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Cited by 16 publications
(38 citation statements)
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References 97 publications
(173 reference statements)
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“…reallocation of resources), thereby increasing reproductive success of the sperm donor at the expense of the recipient fitness (Koene 2016). Moreover, stage-specific seed set in S was similar to that seen in a previous greenhouse study using the same original population (Madjidian and Lankinen 2009) and a survey of 12 natural populations showed that the majority of populations produced the most seeds at stages 3-4 (Madjidian and Lankinen 2009;Hersh et al 2015). We cannot exclude that the higher seed set in the unselected S was partly a consequence of loss of low-quality seeds during storage of S seeds during experimental evolution or resource allocation from the fewer flowers produced (Obeso 2004).…”
Section: Discussionsupporting
confidence: 79%
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“…reallocation of resources), thereby increasing reproductive success of the sperm donor at the expense of the recipient fitness (Koene 2016). Moreover, stage-specific seed set in S was similar to that seen in a previous greenhouse study using the same original population (Madjidian and Lankinen 2009) and a survey of 12 natural populations showed that the majority of populations produced the most seeds at stages 3-4 (Madjidian and Lankinen 2009;Hersh et al 2015). We cannot exclude that the higher seed set in the unselected S was partly a consequence of loss of low-quality seeds during storage of S seeds during experimental evolution or resource allocation from the fewer flowers produced (Obeso 2004).…”
Section: Discussionsupporting
confidence: 79%
“…Studying a broader range of organisms (including plants where replication is resource and labour intensive) is, however, important for obtaining general knowledge (Kawecki et al 2012). We have found implications for sexual conflict within C. heterophylla as previous studies showed pollen influence on floral receptivity and reduced early seed set in 12 studied populations (Lankinen and Kiboi 2007;Madjidian and Lankinen 2009;Hersh et al 2015), and that early fertilization resulted in lowered seed set also following additional pollination at later stages (Madjidian et al 2012). It is though reasonable to assume that we could detect phenotypic changes imposed by sexual selection within a few generations as we previously showed that narrow sense heritability for the sexually selected pollen tube growth rate is 36% ).…”
Section: Discussionmentioning
confidence: 64%
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“…In our study species the mixed mating Collinsia heterophylla , we have identified a sexual conflict over timing of stigma receptivity (Lankinen and Kiboi , Hersh et al ). Delaying stigma receptivity is beneficial for the maternal reproductive function as it can enhance pollen competition by allowing more pollen to be collected on the stigmatic surface and providing a fair start in the race towards the ovules (Galen et al ), leading to increased number of seeds per capsule (Lankinen and Madjidian , Lankinen et al ).…”
mentioning
confidence: 74%