摘要
通过2008～2009年两年的田间试验,对4个苜蓿材料的越冬率、返青期、植株生长高度、生长速度、再生速度、分枝数、鲜草产量、茎叶比等产量性状运用灰色关联度和模糊数学的权重决策法进行了系统研究和分析,建立了苜蓿材料综合评价模型:ψ=0.1767ζ1+0.1759ζ2+0.1567ζ3+0.1754ζ4+0.1757ζ5+0.1395ζ6(其中ζ1为生长高度,ζ2为生长速度,ζ3为再生速度,ζ4为分枝数,ζ5为茎叶比,ζ6为鲜重)。经过综合评价模型计算,甘农3#综合得分较高,其综合表现较好。
4 alfalfa （ Medicago sativa L. ） varieties were studied and synthetic evaluated onwinter survival rate, reviving stage, plant height, growth speed,regeneration speed,branchnumber, fresh yield,stem/ leaf during 2005 -2006. The Correlation between the factors ofcomponent yield and quality were analysed using grey rele- vancy and decision making method ofwith weight information of Fuzzy Mathematics, and meanwhile comprehensive evaluation modelwas founded using grey relevancy：ψ=0.1767ζ1＋0.1759ζ2＋0.1567ζ3＋0.1754ζ4＋0.1757ζ5＋0.1395ζ6（ ζ1 = Plant height, ζ2 = Growth speed, ζ3 = regeneration speed, ζ4 = Branch number, ζ5 = Stem/leaf, ζ6 = Fresh yield）. Through account of comprehensive evaluation model Gannong No. 3had good complex character and superiority.
出处
《青海草业》
2011年第2期8-12,共5页
Qinghai Prataculture
关键词
苜蓿
产量性状
分析评价
Alfalafa
Yield traits
Analysis and evaluation
