Germplasm resources, Plant Germplasm resources conservation 4 Plant Breeding and Genetics 4 Biological Resources (Plant) 3 Crops 3 Crops-Germplasm resources 2 Genetic diversity 2 In situ conservation 2 Plant biotechnology 2 Plant genetic resources 2 Wild relatives 2 Agricultural biotechnology 1 Agricultural research 1 Biodiversity 1 Biotechnology 1 Biotechnology (General), (Revised June 2002) 1 Case studies 1 Conservation 1 Cryopreservation 1 Food crops-Germplasm resources 1 Food security 1 Genetic erosion 1 Genetic improvement 1 Genetic resources conservation 1 Genetic variation 1 Genotypes 1 Habitats 1 In vitro 1 Information and Documentation 1 Information systems 1