利用灰色关联度法对湖北省烤烟区试品系比较试验中的9份参试品系和对照品种进行了7个重要性状的综合比较分析,以筛选出优良品系为新品种选育提供科学参考。分析结果表明,等权关联度和加权关联度分析的结果比较一致,参试品系云烟97和A7明显优于对照K326,与实际表现相符,有较好发展潜力,应予以重点关注,宜继续试验。 The gray relational grade method was used to compare and analyze the seven important traits of 9 tested varieties and control varieties in the comparative test of flue-cured tobacco in Hubei province. The results showed that the selection of excellent strains could provide scientific reference for the breeding of new varieties. The analysis results show that the results of the equal relation degree and the weighted degree of correlation analysis are relatively consistent. The test strains Yunyan 97 and A7 are obviously superior to the control K326, which are in line with the actual performance and have good potential for development. .