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| Vries, F.T. de; Meijden, R. van der; Brandenburg, W.A.. |
| Separate ‘Botanical files’ have been made for 42 species of cultivated plants. Each file gives information about the cultivated plant itself (use, origin, etc.), its wild relatives in the Netherlands, a report on actual hybridization and/or crossing (indicating gene flow by pollen), and observations on escapes from the field to nature (indicating gene flow by diaspores); the information is summarized to a conclusion and a numerical code, indicating the possible ecological effects of the cultivated plant on the wild flora of the Netherlands. This study was especially undertaken for questions regarding biosafety research on Genetically Modified Organisms (GMO’s). The sources are the herbarium collections of the State Herbarium at Leiden, floristic archives... |
| Tipo: Article / Letter to the editor |
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| Ano: 1992 |
URL: http://www.repository.naturalis.nl/record/528195 |
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| Frietema de Vries, F.T.; Meijden, R. van der; Brandenburg, W.A.. |
| In Botanical Files, a study of the real chances for gene flow from cultivated plants to the wild a system of dispersal codes (Dpdf) was introduced (see text box Dpdf).³7 They are indications of already occurring gene flow from cultivated plants to the wild flora, as can be deduced from herbarium collections and florisdc archives. These codes apply to the Netherlands only. One of the crops of which the real chances for gene flow could not be determined, because of uncertainties regarding the relationship between the cultivated plant and its wild relatives, is Lettuce (Lactuca sativa L.). Its relationship with the wild L. serriola L. is accepted to be very close, but the species are considered to be distinguishable. In a field trial, using 350 specimens from... |
| Tipo: Article / Letter to the editor |
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| Ano: 1994 |
URL: http://www.repository.naturalis.nl/record/528197 |
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