“…In the case of rice, the history of its use, cultivation and domestication is long and complex (Underhill, 1997;Lu, 1999;Sweeney and McCouch, 2007) and has been the subject of considerable research and debate. The proposal that China was one of the core areas where rice 3 agriculture originated (Chang, 1989;Glover and Higham, 1996;Wang and Sun, 1996;Crawford and Shen, 1998;Higham and Lu, 1998;Lu, 2006) has been confirmed by modern genetic research (Khush, 1997;Londo et al, 2006) that indicates domestication occurred in the south central China region more than once, with the domesticate Oryza sativa (japonica) arising from its wild perennial progenitor O. rufipogon.…”