By N Maxted, B Ford-Lloyd, S.P. Kell, J Iriondo, E Dulloo, J Turok
Crop wild kin (CWR) are species heavily relating to crop crops that could give a contribution necessary characteristics, resembling pest or affliction resistance and yield development. those species are serious for making improvements to agricultural creation and lengthening foodstuff protection. also they are crucial parts of normal and semi-natural habitats in addition to agricultural platforms, and are accordingly very important in protecting surroundings well-being. even though, CWR, like several different crew of untamed species, are topic to an expanding diversity of threats: habitat loss, degradation and mismanagement, over-collection and weather swap. via an exam of the nationwide, neighborhood and international context of CWR, those authoritative experiences current methodologies and case stories that evaluation and supply suggestions for international conservation and use. issues diversity from the institution of conservation priorities and methods, probability overview and genetic erosion and pollutants.
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Extra resources for Crop Wild Relative Conservation and Use (Cabi Publishing)
The CWR inventory (currently the CWR Catalogue for Europe and the Mediterranean, but any taxonomic information can be used) is at the core of the system and ancillary information on the taxa contained in the database is enabled through external web links. Many more ancillary information sources have been linked to CWRIS than indicated in the model – the system has also been developed to be highly flexible and it is possible to add further links at any stage during further development. , Chapter 33, this volume).
3 4 N. Maxted et al. and has largely been through the donation of useful genes coding for pest and disease resistance, higher salt tolerance, abiotic stress tolerance and higher nutritional value (Hajjar and Hodgkin, 2007). Primarily, single-gene-controlled traits have been introduced from CWR into crops providing virus resistance in rice (Oryza sativa), blight resistance in potato (Solanum tuberosum), powdery mildew resistance in wheat (Triticum aestivum) and Fusarium and nematode resistance in tomato (Lycopersicon esculentum).
Maxted et al. changes to the management plan being triggered. An important function of PGR Forum was to raise the profile of CWR as a vital national resource and to stimulate active protected area conservation. 7 Genetic erosion and genetic pollution Within the PGR literature, incidents of genetic erosion are often alluded to but rarely quantified. The recent debate concerning genetically modified organisms (GMOs) has raised the issue of genetic pollution, but again it is rarely quantified and it is likely that non-GMO introgression has been polluting CWR taxa ever since the emergence of plant breeding and distribution of cultivars.