ResearchonhybridriceinJiangsuProvince,Chinabeganin1970.Greatprogresshasbeenmadesincethen,whichcanbepidedintothreestagesaccordingtothedevelopmentofhybridricebreedingandproductioninJiangsuProvince.Thefirststagewasbeginningstagefrom1970to1980,whenprogresswasmainlymadeincytoplasmicmalesterilelinebreeding.Thesecondstagecouldbedescribedasdevelopingstage,from1980to1995,whenindicahybridricewasrapidlypopularized,andjaponicahybridricebecamepopularlater.From1996,hybridricebreedinginJiangsuProvinceenteredthethirdstage,whenbothindicaandjaponicahybridricebreedinginthethree-linesystemorintersubspecifichybridricebreedinginthetwo-linesystemmadeagreatbreakthroughwiththesuccessfulbreedingofthehybridsTeyou559,9You138andLiangyoupeijiu.ThedevelopingtrendofhybridricebreedinginJiangsuProvinceisalsodiscussed.
