不同苦荞种质资源生长发育及硒响应特征综合评价研究

于秋竹, 邱俊华, 杜含梅, 王安虎

Comprehensive Evaluation of Growth, Development, and Selenium Response Characteristics in Different Tartary Buckwheat Germplasm Resources

Yu Qiuzhu, Qiu Junhua, Du Hanmei, Wang Anhu

图4 苦荞种质各性状的主成分分析和相关性分析 PH：株高；SD：茎粗；NMSN：主茎节数；NMSL：主茎叶数；NPB：一级分枝数；NSB：二级分枝数；TGW：千粒重；Y：产量；GWPP：株粒重；NGPP：株粒数；MVB：营养体最大生物量；VBH：收获期营养体生物量；TDMT：总干物质转运量；TTE：总干物质转运效率；SUC：硒利用系数；SPC：硒分配系数；SAC：硒吸收系数；SEC：硒富集系数；SAP：植株硒积累量；SAS：地上部硒积累量；SAG：籽粒硒积累量。

Fig.4 Principal component analysis and correlation analysis of different traits of tartary buckwheat germplasm PH: plant height; SD: stem diameter; NMSN: number of main stem nodes; NMSL: number of main stem leaves; NPB: number of primary branches; NSB: number of secondary branches; TGW: 1000-grain weight; Y: yield; GWPP: grain weight per plant; NGPP: number of grains per plant; MVB: maximum vegetative biomass; VBH: vegetative biomass at harvest; TDMT: total dry matter translocation; TTE: total translocation efficiency; SUC: selenium utilization coefficient; SPC: selenium partition coefficient; SAC: selenium absorption coefficient; SEC: selenium enrichment coefficient; SAP: selenium accumulation in plants; SAS: selenium accumulation in shoots; SAG: selenium accumulation in grains.