Germplasm resources conservation Germplasm resources, Plant 4 Biological Resources (Plant) 2 Crops 2 In situ conservation 2 Plant Breeding and Genetics 2 Plant biotechnology 2 Wild relatives 2 Conservation 1 Genetic diversity 1 Genetic erosion 1 Genetic improvement 1 Genetic variation 1 Genotypes 1 Habitats 1 Information and Documentation 1 Information systems 1 Plant density 1 Plant diversity conservation 1 Plant genetic resources 1 Species richness 1 Utilization 1