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231225s2003 xx |||||o 00| ||eng c |
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|a 10.1046/j.1469-8137.2003.00693.x
|2 doi
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|a eng
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| 100 |
1 |
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|a Graham, J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Genetic differentiation over a spatial environmental gradient in wild Rubus ideaus populations
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| 264 |
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|c 2003
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a • The distribution is examined of molecular (random amplified polymorphic DNA) markers within and between 12 wild raspberry (Rubus ideaus) populations ranging over 600 m altitude and 40 km distance from a lowland area of extensive raspberry cultivation to remote upland sites. • Most individuals are distinct, suggesting that seedling recruitment is the main means of propagation, but mean genetic similarities within sites (> 80%) are much greater than between sites (> 50%), suggesting a hindrance to gene movement between sites. • Sites of genetically distinct populations can be grouped in lowland, valley and upland clusters; genetic similarity between sites decreased at slightly > 4% per 100 m difference in altitude from c. 80% between adjacent sites to 50% at 600 m altitude difference. • Together with physiological data collected previously, the molecular evidence confirms that wild populations are more diverse than cultivars and suggests little gene flow from cultivated to wild, a result perhaps of reproductive asynchrony and little opportunity for seedling recruitment in established populations. The cause of the genetic differentiation between sites is not known and requires further study
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a RAPD markers
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| 650 |
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4 |
|a Rubus ideaus (raspberry)
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| 650 |
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4 |
|a genetic markers
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| 650 |
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4 |
|a population differentiation
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| 700 |
1 |
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|a Marshall, B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Squire, G R
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 157(2003), 3 vom: 20. März, Seite 667-675
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|x 1469-8137
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|g year:2003
|g number:3
|g day:20
|g month:03
|g pages:667-675
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|u http://dx.doi.org/10.1046/j.1469-8137.2003.00693.x
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