芹菜单株产量与相关性状的灰色关联度分析

Gray Relational Grade Analysis between Yield and Relative Characters of Celery

利用灰色系统理论中的关联度分析法对构成芹菜单株产量的8个主要性状进行分析。结果表明,芹菜单株产量与其相关性状的关联度为:株高0.8022,第1节叶柄长0.7570,第2节叶柄长0.8276,叶柄宽0.7967,叶柄厚0.7752,小叶长0.8057,叶片数0.8228,分蘖数0.7141。关联顺序为:第2节叶柄长>叶片数>小叶长>株高>叶柄宽>叶柄厚>第1节叶柄长>分蘖数。各性状的灰色权重为w1:w2:w3:w4:w5:w6:w7:w8=0.1273:0.1201:0.1313:0.1264:0.1230:0.1279:0.1306:0.1133。

Based on the theory of gray relational system,the analysis was made between the yield per plant and the 8 relative agronomic characters in celery cultivars.The results showed that the relational grade between the yield and eachcharacters was as follows：plant-height 0.802 2,first petiole length 0.757 0,second petiole length 0.827 6,width of petiole 0.796 7,thickness of petiole 0.775 2,thickness of petiole 0.805 7,leaf number 0.822 8,number of tiller buds 0.714 1.The relational sequence is：second petiole length leaf number leaflet length plant-height width of petiole thickness of petiole first petiole length number of tiller buds.The gray weight of each characters is：w1：w2：w3：w4：w5：w6：w7：w8=0.127 3：0.120 1：0.131 3：0.126 4：0.123 0：0.127 9：0.130 6：0.113 3.