Biological Resources (Plant) 6 Wild relatives Plant Breeding and Genetics 5 Plant genetic resources 3 Crops 2 Field Crops, (New March 2000) 2 Genetic Engineering, Gene Transfer and Transgenics, (New June 2002) 2 Genetic improvement 2 Geographical distribution 2 Germplasm resources conservation 2 Germplasm resources, Plant 2 Horticultural Crops, (New March 2000) 2 In situ conservation 2 Plant Ecology 2 Plant Production 2 Plant ecology 2 Taxonomy and Evolution 2 Agricultural Economics 1 Amplified fragment length polymorphism 1 Barley 1 Biosafety 1 Biotechnology 1 Biotechnology (General), (Revised June 2002) 1 Characterization 1 Chickpea 1 Chickpeas 1 Cicer arietinum 1 Colocasia esculenta 1 Conservation 1 Crop management 1