Centres of diversity 1 Cereals 1 Chromosomes 1 Crops 1 Cytology 1 Domestication 1 Duplication Evolution 1 Field Crops, (New March 2000) 1 Fruit crops 1 Genetic variation 1 Genomes 1 Grain legumes 1 Horticultural Crops, (New March 2000) 1 Oilseed plants 1 Plant Breeding and Genetics 1 Plants 1 Polyploidy 1 Root crops 1 Speciation 1 Taxonomy and Evolution 1 Vegetables 1