层次分析法在弱秋眠性紫花苜蓿筛选中的应用

Application of the Analytic Hierarchy Process to Evaluate Introduced Semi-Dormancy Alfalfas

应用层次分析法构建紫花苜蓿品质评价数学模型,以生产性能、耐逆性和营养品质作为3个准则,以全年鲜草产量(c1)、再生系数(c2)、分枝数(c3)、干鲜比(c4)、耐热性(c5)、耐涝性(c6)、叶茎比(c7)、粗蛋白(c8)、酸性洗涤纤维(c9)等9个指标构建的综合模型为:Y=0.42c1+0.14c2+0.08c3+0.06c4+0.12c5+0.06c6+0.02c7+0.09c8+0.01c9。参评的14个品种,以WL-4167、WL-324、WL-525HQ等WL系列品种得分(92.95)最高,具有在南方海涂地大面积推广的潜力。

The Analytic Hierarchy Process was used to comprehensively evaluate 14 introduced semi-dormancy alfalfa varieties, based on their economic characteristics, stress resistsJlce, and feed quality. The set up model was Y=0.42C1＋0.14C2＋0.08C3＋0.06C4＋0.12c5＋0.06c6＋0.02c7＋0.09C8＋0.01c9, in which el denotes fresh herbage yield, c2, regenaration rate, c3, ramification number, c4, dry fresh ratio, c5, ratings of heat stress resistance, c6, water stress resistance, c7, dry leaf slum ratio, c8, crude protein and c9, acid detergent fibre respectively. The results showed that WL series such as WL-4167, WL-324, WL-525HQ had high scores and excellent overall characteristics. In particular, WL-4167 was the best one with high yield, high heat stress resistance and high feed quality, which should be widely cultivated.