By Detlef Virchow

Over the previous decade the significance of average assets for sustainable agricultural improvement has been more and more mentioned at overseas boards and meetings. apart from the sustainable administration of soil, water, and air, it now appears to be like approved that the sustainable administration of genetic assets is without doubt one of the 4 critical preconditions for a sustainable agriculture. The dialogue on conservation of plant genetic assets for foodstuff and agriculture (PGRFA), notwithstanding, has to mirror the prices of conservation in addition. those haven't but been mentioned intensively. The examine analyzes the conservation charges of plant genetic assets; it additionally assesses the effectiveness of conservation and the potency of the several conservation tools. it's in line with vast surveys in appropriate international locations. Following the special expense and influence research, the consequences express that the effectiveness of conservation ideas could be increased.

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Additional resources for Conservation of Genetic Resources: Costs and Implications for a Sustainable Utilization of Plant Genetic Resources for Food and Agriculture

Sample text

For each trait incorporated in an improved variety, the advantage of one or more farmers' varieties will be diminished or lost. Summarizing this section, it can be highlighted that most loss of biodiversity and agrobiodiversity is an incidental or unintended side-effect of other activities (McNeely, 1996). The extent of losses of PGRF A is less than expected and often described in the literature. The factors determining the level of agrobiodiversity may be found on three different levels, indicating a further decline in diversity unless a market for PGRF A can be developed, which incorporates an expected high value for PGRFA.

Taste) which are known in the traditional varieties. However, assuming that improved varieties may incorporate these specific traits as well, the farmers will have no benefits in keeping the traditional varieties any longer. 3 Similarities and Differences Between Biodiversity and Agrobiodiverslty 29 Another example comes from India, in 1995, when 5,311 original accessions of the Assam Rice collection collected in the 1960s had deteriorated or had been lost through unavoidable circumstances. The collection could be restored only because India had sent the duplicated material to IRRI (IPGRI, 1995).

6. Interdependency between factors determining ex situ conservation methods Storage Method The storage method to choose can be differentiated according to the three determining factors (see Fig. 6. ): • The material collected determines the potential conservation methods (F AO, 1993) . Depending on the plant species-specific inherent longevity and physiological storage behavior as well as the quality of the collected material, the accessions can be conserved in different ways. , trees) or intermediate germplasm material.

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