Crop Wild Relative Conservation and Use (Cabi Publishing) by N Maxted, B Ford-Lloyd, S.P. Kell, J Iriondo, E Dulloo, J

By N Maxted, B Ford-Lloyd, S.P. Kell, J Iriondo, E Dulloo, J Turok

Crop wild relations (CWR) are species heavily on the topic of crop crops which could give a contribution important qualities, similar to pest or disorder resistance and yield development. those species are severe for bettering agricultural construction and extending meals safety. also they are crucial elements of typical and semi-natural habitats in addition to agricultural platforms, and are hence important in conserving environment health and wellbeing. in spite of the fact that, CWR, like several different workforce of untamed species, are topic to an expanding variety of threats: habitat loss, degradation and mismanagement, over-collection and weather switch. via an exam of the nationwide, nearby and worldwide context of CWR, those authoritative reviews current methodologies and case experiences that overview and supply suggestions for international conservation and use. subject matters variety from the institution of conservation priorities and methods, probability evaluate and genetic erosion and toxins.

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Extra resources for Crop Wild Relative Conservation and Use (Cabi Publishing)

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Genetic conservation. Burley (1988) identified four steps in gap analysis: (i) identify and classify biodiversity; (ii) locate areas managed primarily for biodiversity; (iii) identify biodiversity that is under-represented in the managed areas; and (iv) set priorities for conservation action. , 2004). Maxted et al. (in preparation a), in proposing the methodology for plant genetic conservation gap analysis, state that the procedure involves comparing natural in situ plant diversity for the target taxon with the sample of the diversity that is actively conserved.

Tanksely and McCouch (1997) argued that breeders were not fully exploiting the potential of CWR; historically, they relied on searching for specific beneficial traits associated with certain CWR rather than searching more generally for beneficial genes. Hajjar and Hodgkin (2007) comment that although quantitative trait loci have been identified in many CWR groups, the potential to exploit them as a breeding resource using new molecular technologies has yet to be fully realized. This position is likely to improve with time, underpinning the need for the availability of broad CWR diversity, and emphasizing the conservation–use linkage and the need for the conservation community to meet the evolving needs of the users.

These species have contributed significantly to improving food production; for example, Prescott-Allen and Prescott Allen (1986) calculated that the yield and quality contribution to US-grown or imported crops was over US$350 million/year in 1986. The contribution of CWR is growing ©CAB International 2008. Crop Wild Relative Conservation and Use (eds N. ) 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).

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