“提纯401”,是福建省永定县农科所自1975年起,用5年时间,从“401”品种单株选育田中经系统选育而成。据全省1980、1981连续两年区域试验鉴定,提纯401平均亩产268.7斤,上中等烟占78.5%,斤烟均价0.891元,亩产值239.4元,而对照品种401则分别为 “Purification 401”, Fujian Yongding County Agricultural Science Institute since 1975, with 5 years, from the “401” varieties of single-crop breeding field system selected from. According to the province 1980,1981 for two consecutive years of regional trial identification, the average yield of 401 per mu 268.7 pounds, accounting for 78.5% of upper middle class, kg average price 0.891 yuan, mu production value of 239.4 yuan, while the control varieties 401 were