Preliminary comparative experiment of new flue cured tobacco varieties was conducted in Changsha during 2015 with nine new tobacco varieties which were bred in Hunan or introduced,Yunyan 87 and K326 were used as contrast.The new varieties are Xiangyan No.5,CZ -43,HKDN -8,20617,HY -9H,Gold Shennong No.1,Anyan No.2,NC297 and NC71.Comprehensive evaluation and analysis were made by the combination of agronomic traits and the indicators roasted material of each new varieties.Results showed that among the comprehensive economic traits of all the tested varieties, Xiangyan No.5 was the best performan...