books.google.co.jp - Evolution, Domestication, and Taxonomy. Florogenesis. Genome Organization in Allium. Exploitation of Wild Relatives for the Breeding of Cultivated Allium species Diversity, Fertility and Seed Production of Garlic. Genetic Transformation of Onions. Doubled Haploid Onions, B Bohanec, Centre for Plant Biotechnology...http://books.google.co.jp/books/about/Allium_crop_science_electronic_resource.html?hl=ja&id=dE7a8SJ9Q7AC&utm_source=gb-gplus-shareAllium crop science [electronic resource]