It is a distressing truism that the human race during the last
millennium has caused the exponential loss of plant genetic diversity
throughout the world. This has had direct and negative economic,
political and social consequences for the human race, which at the same
time has failed to exploit fully the positive benefits that might result
from conserving and exploiting the world's plant genetic resources.
However, a strong movement to halt this loss of plant diversity and
enhance its utilisation for the benefit of all humanity has been
underway since the 1960's (Frankel and Bennett, 1970; Frankel and
Hawkes, 1975). This initiative was taken up by the Convention on
Biological Diversity (CBD, 1992) that not only expounds the need to
conserve biological diversity but links conservation to exploitation and
development for the benefit of all. Article 8 of the Convention clearly
states the need to develop more effective and efficient guidelines to
conserve biological diversity, while Article 9, along with the FAO
International Undertaking on Plant Genetic Resources, promotes the
adoption of a complementary approach to conservation that incorporates
both ex situ and in situ techniques.