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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.2009.02861.x
|2 doi
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Michalski, Stefan G
|e verfasserin
|4 aut
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|a Pollination mode and life form strongly affect the relation between mating system and pollen to ovule ratios
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 04.03.2016
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|a Date Revised 14.04.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a Pollen to ovule (P : O) ratios have been hypothesized to correlate with the degree of outcrossing and thus with the mating system of a plant. Also, P : O ratios are likely to vary with respect to pollination mode (i.e. wind pollination or animal pollination). Furthermore, constraints on the evolution of mating systems depending on life form may affect P : O ratios. We compiled P : O ratios and outcrossing rates for 107 angiosperm species and analyzed the relation between these traits considering pollination mode, life form and phylogenetic relatedness among species. In general, P : O ratios correlated significantly with outcrossing rates. However, when taking additional factors into account, the relation became ambiguous. The correlation was significantly positive in wind-pollinated species, but only marginally so in animal-pollinated species. Wind-pollinated species had higher P : O ratios than animal-pollinated taxa. In woody perennials, outcrossing was the predominant mating system and outcrossing rates did not correlate with P : O ratios. The results were not altered by accounting for phylogenetic relatedness among species. The results indicate that P : O ratios vary more strongly with pollination mode and life form than with the mating system
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|a Journal Article
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|a Durka, Walter
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 183(2009), 2 vom: 01., Seite 470-479
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:183
|g year:2009
|g number:2
|g day:01
|g pages:470-479
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|u http://dx.doi.org/10.1111/j.1469-8137.2009.02861.x
|3 Volltext
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|d 183
|j 2009
|e 2
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|h 470-479
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