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晋棉１２号经１９９１～１９９２年省抗病区试多点鉴定，平均霜前皮棉亩产７３．６９ｋｇ，比对照中棉１２号增产２２．４％；经１９９２～１９９３年２年生产示范多点试验，平均霜前皮棉亩产５９．９８ｋｇ，比对照增产１５．５％，是一个高产优质抗枯黄萎病棉花新品种。经方差分析，品种稳定性参数良好，变异系数较小。
Jinmian 12 was identified by the provincial resistance area trial from 1991 to 1992 with an average yield of 73.69 kg per mu before the frost, 22.4% more than that of the CK200. After 2 years of production demonstration from 1992 to 1993 Point test, the average frost before the lint yield 59.98kg, 15.5% increase compared with the control, is a high yield and high resistance to Verticillium wilt cotton new varieties. By variance analysis, the variety stability parameters are good, the coefficient of variation is small.