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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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CABI Book Chapter Info
Cover for Speciation.

This chapter discusses speciation and the factors distinguishing its major modes in sexual plants: allopatric (geographical and peripatric), parapatric and sympatric. The genetic differentiation during speciation and the risk of transgene escape into the environment are described. The role of...

Author(s)
Hancock, J. F.
ISBN
2012 CABI (H ISBN 9781845938017)
Type
Book chapter
CABI Book Chapter Info
Cover for Gene flow in forest trees: gene migration patterns and landscape modelling of transgene dispersal in hybrid poplar.

The extent to which transgene flow from plantations can be effectively predicted, managed and monitored will be a critical factor influencing the adoption of transgenic plantations. Studies of historical and contemporary gene flow levels, via genetic structure surveys and parentage analyses,...

Author(s)
Slavov, G. T.; DiFazio, S. P.; Strauss, S. H.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Hybrids between cultivated and wild carrots: a life history.

Cultivated and wild carrots can hybridize spontaneously, and transgenes may therefore potentially spread from genetically modified carrots into wild populations. This can happen by several different routes. Flowering cultivated carrots may send out pollen to neighbouring populations of wild carrots ...

Author(s)
Hauser, T. P.; Bjørn, G. K.; Magnussen, L.; Shim SangIn
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Hybridization between wheat and wild relatives, a European Union research programme.

This contribution is based mainly on ongoing research in an EU Framework 5 research programme. Wheat is a self-compatible, wind-pollinated species whose flowers are often cleistogamous. Crop to crop gene flow is very limited. Field experiments demonstrate that the distance of wheat pollen dispersal ...

Author(s)
Jacot, Y.; Ammann, K.; Al-Mazyad, P. R.; Chueca, C.; David, J.; Gressel, J.; Loureiro, I.; Wang HaiBo; Benavente, E.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Gene introgression and consequences in <i xmlns="http://www.w3.org/1999/xhtml">Brassica</i>.

Transgenes may be transferred from genetically modified (GM) crops to the wider environment through crosses with compatible wild or weedy relatives. For oilseed rape (Brassica napus), we found extensive transfer of nuclear as well as plastid DNA (cpDNA) to Brassica rapa in an environment with poor...

Author(s)
Jørgensen, R. B.; Ammitzbøll, H.; Hansen, L. B.; Johannessen, M.; Andersen, B.; Hauser, T. P.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Transgene expression and genetic introgression associated with the hybridization of GFP transgenic canola (<i xmlns="http://www.w3.org/1999/xhtml">Brassica napus</i> L.) and wild accessions of bird rape (<i xmlns="http://www.w3.org/1999/xhtml">Brassica rapa</i> L.).

The level of transgene expression in crop × weed hybrids and the degree to which crop-specific genes are integrated into hybrid populations are important factors in assessing the potential ecological and agricultural risks of gene flow associated with genetic engineering. The average transgene...

Author(s)
Halfhill, M. D.; Warwick, S. I.; Stewart, C. N., Jr.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for A tiered approach to risk assessment of virus resistance traits based on studies with wild brassicas in England.

Concerns about the introduction of genetically modified crops frequently centre on the possibility of gene transfer to wild relatives, resulting either in the disruption of natural patterns of genetic diversity by introgressing into species gene pools or in the addition of traits which may cause...

Author(s)
Pallett, D. W.; Thurston, M. I.; Edwards, M. L.; Naylor, M.; Wang Hui; Alexander, M.; Gray, A. J.; Mitchell, E.; Raybould, A. F.; Walsh, J. A.; Cooper, J. I.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper
CABI Book Chapter Info
Cover for Prospects of a hybrid distribution map between GM <i xmlns="http://www.w3.org/1999/xhtml">Brassica napus</i> and wild <i xmlns="http://www.w3.org/1999/xhtml">B. rapa</i> across the UK.

The formation of F1 hybrids between a genetically modified (GM) crop and a wild or weedy relative represents the first of a series of exposure events that could ultimately result in an undesirable change to the environment (hazard). The abundance of hybrids directly influences the dynamics of...

Author(s)
Wilkinson, M.; Elliott, L.; Allainguillaume, J.; Norris, C.; Welters, R.; Alexander, M.; Cuccato, G.; Sweet, J.; Shaw, M.; Mason, D.
ISBN
2004 CABI Publishing (H ISBN 9780851998169)
Type
Book chapter; Conference paper

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