Japan Information obtained from the studies of classical genetics is significant for advancing genomics and for application of techniques and knowledge of rice genomics to crop improvement.
Linkage study is a fundamental subject for plant classical genetics.
However, the historical accumulation of knowledge and plant materials from classical linkage studies should be the point to see. Looking back the scientific history of rice linkage study, d1 was frequently involved in the valuable contributions. Focussing on d1 story from discovery to isolation, the historical and present situation of rice linkage studies mainly done at Kyushu University is briefly reviewed. In addition, we are now concentrating on development of plant materials for rice QTL analysis system. The progress and the results obtained are also reported.