秋播苦荞麦单株性状与株产种量的相关通径分析  

Correlation Coefficient Path Analysis on the Plant Traits and Seed Generating Amount of Tartary Buckwheat in Autumn Sowing

作　　者：罗燕[1] 敖学成 

机构地区：[1]四川省凉山州畜牧兽医科学研究所,四川西昌615042

出　　处：《牧草与饲料》2012年第2期31-34,共4页Journal of Forage & Feed

摘　　要：以产种期的3个苦荞麦品种选择的优株为材料，对影响株产量的性状进行通径分析。试验数据总的多元决定系数较大，∑d=0．9529，表示通径分析已经包括主要相关性状，分析结果能表达各性状间的关系。通径分析结果表明：株重、主茎结实花序、分枝数、分枝花序种子数与株产种量相关性相对较强，是生物产量的主要决定因素，是苦荞麦进行单株选择的主要性状。Path analysis were conducted on traits which affects strain yield of selected materials of three buckwheat seed production of superior strains. Total multiple coefficient of determination of test data is E d = 0.952 9 which means path analysis has included the main traits, the analysis results can express the relationship between each trait. Path analysis showed that： the correlation between strains weight, strong inflorescence of main stem, number of branches, branching inflorescence seed number and strains seed production number is relatively significant, those elements are the main determinant of the biomass and are the main characters of bitter buckwheat plant.

关 键 词：苦荞麦 通径分析 性状选择 

分 类 号：S512.9[农业科学—作物学]