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本文利用Ｅｂｅｒｈａｒｔ和Ｒｕｓｓｅｌｌ法、Ｆｒａｎｃｉｓ和Ｋａｎｎｅｎｂｅｒｇ法，对１９９２年北方晒烟七个区域试验点三个品种（龙烟三号、龙烟四号和对照龙烟二号）的产值及其构成因子进行稳定性分析，并提出用综合积分法进行综合评价。结果表明，参试的３个品种中，龙烟四号在所有性状上均有上乘表现，是产值高、稳定性好的新品种；龙烟三号产值较高、稳定性较强，均超过对照龙烟二号．以产值作为主要评价性状，可把产量、质量综合概括，可以较全面地反映出新品种的推广价值。
Based on the Eberhart and Russell methods, the Francis and Kannenberg methods, the output values and their components of three cultivars (Longyan No.3, Longyan No.4 and Longyan No.2) Stability analysis, and put forward the comprehensive integral method for comprehensive evaluation. The results showed that among the three varieties tested, Longyan No.4 had excellent performance on all the traits, which was a new variety with high output and good stability. Longyan No.3 had higher output and higher stability, both of which exceeded Control Longyan II. Taking the output value as the main evaluation trait, the output and quality can be summed up comprehensively, which can more fully reflect the promotion value of the new variety.