Polyploidy 11 Plant breeding 5 polyploidy-plant breeding 5 POLYPLOIDY 4 polyploidy 4 Cytogenetics 3 Evolution 3 Plant Breeding and Genetics 3 Chromosomes 2 Domestication 2 Fruit crops 2 Genetic variation 2 Genomes 2 Horticultural Crops, (New March 2000) 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Mutation breeding 2 Plant breeding-manual 2 Plants 2 Polyploidy breeding 2 Polyploidy- Plant breeding 2 Taxonomy and Evolution 2 cytogenetics 2 mutation breeding 2 plant breeding 2 polyploidy - plant breeding 2 Actinidia 1 Anacardium occidentale 1 Ananas comosus 1 Aneuploidy 1 Angiosperms 1