不同品种紫花苜蓿产量性状分析及其综合评价
Analysis of yield traits of different cultivated varieties of alfalfa and their comprehensive evaluation
[目的]对来自国内外的 19 个紫花苜蓿(Medicago sativa L。)品种在初花期与产量性状相关的表型指标进行系统评价,为筛选高产优质适生紫花苜蓿品种提供参考。[方法]以在北京市昌平基地种植的 19个紫花苜蓿品种为材料,测定了每个品种的株高、分枝数、分蘖数、干/鲜重、茎粗、叶长、叶宽、叶面积、茎叶比等 12 个主要产量性状指标,利用相关性分析、主成分分析、隶属函数等方法进行了综合评价。[结果]1)在产量性状上,紫花苜蓿不同品种间存在较大…查看全部>>
[Objective]The study evaluates phenotypic indicators related to yield traits of 19 domestic and foreign alfalfa(Medicago sativa L.)cultivars at the initial flowering stage,and provides a reference for screening the high-yielding,nutritious and adaptable alfalfa cultivars.[Method]19 different cultivated varieties of alfalfa grown in Changping,Beijing were used as tested materials,and 12 major yield traits were determined,including the plant height,the number …查看全部>>
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