运用灰色关联度对棉花区试品种的综合评价

Comprehensive Evaluation on Experimental Varieties of Cotton Region by Using Grey Relation Degree

运用灰色关联度对河南省１９９３ 年参加棉花区试的７ 个品种，从高产、早熟、抗病、优质４ 个方面共１２ 个性状进行了分析。综合评定结果表明：新８７０４（ 豫棉１７） 表现最优，具有高产、早熟、抗病、优质、适应性广等优良特性；中３８９ 、豫早５１６ 分别居二、三位。

Seven varieties of cotton were analyzed by using grey relation degree which attended 1993 Henan provincial cotton region experiment.They were analyzed in four aspects(including 12 characters),from high yield,early maturing,disease resistant to high quality.Comprehensive evaluation results showed that Xin 8704(Yumian 17)occupied first place,Zhong 389,Yuzao 516 occupied the second, third place respectively.Xin 8704 has the good qualities of high yield,early maturing,high quality and adaptability.