It is suggested that the root traits at later growth stage might be one of the selection criteria in selection for N-efficient cultivars.
综合以上研究，在氮高效育种中，应该注重对根系性状的选择，特别是生长后期根系的生物量、根长等性状可以作为田间筛选的参考指标。
参考来源 - 玉米氮高效品种选育及根系形态对低氮反应的遗传分析Meanwhile, the relationshipbetween root traits and related traits of nitrogen utilization efficiency at the seeding stage,and the relationship between between yield per-plant and related traits of nitrogenutilization efficiency at the maturing stage were analysised.
同时对苗期水稻根部性状与氮素生理利用率等性状的相关性及成熟期氮素吸收利用等相关性状与单株产量的相关性进行了分析。
参考来源 - 利用一个籼粳交重组自交系群体定位水稻氮高效利用的QTLsThere were differed extents of the variation of root traits, with the largest CV (coefficient of variation,0.701) in root length and the lowest in N:C ratio (CV=0.156).
各根系特征在树种之间的变异程度不同,单根长度的变异系数最大(CV=0.701),而N：C比则具有最小的变异(CV=0.156)。
参考来源 - 中国东北主要造林树种细根寿命及影响因子研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Developed root traits were the important characteristics in weight-ear type rice varieties.
发达的根系性状是重穗型品种一个重要的特征。
Mutants for root traits, abiotic stress resistance and physiological traits occupied the remaining 43.85%.
其它一些突变体如根系、抗性、生理变异等为43.85%。
The repeatability of rooting traits in clones was 0.34, which showed that the root traits are under genetic control nearly at the moderate level.
无性系扦插生根性状的重复力为0.34，表明生根性状受近中等遗传控制；
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