The timing of evaluation of genebank accessions and the effects of biotechnology
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The lack of ex-ante evaluation of germplasm in genebanks has been the single
most prevalent and long-standing complaint of plant breeders about the management of
genebanks. Advances in biotechnology offer the possibility of faster, cheaper, and more
efficient evaluation methodologies. Will these new technologies favor ex-post
evaluation, as some expect, or will it lead to more ex-ante evaluation? Will it also lead to
earlier development of varieties with disease resistance traits in anticipation of actual
infestations? Will the prospect of further advances in biotechnology favor delay of
evaluation and development? This paper addresses these questions in the case of
evaluation of germplasm for resistance to a disease.