同时利用一套双向导入系群体，分别在正常和低氮条件下考察相应形态指标、生理指标和产量性状。
A set of reciprocal introgressive line populations was used to study phenotypic index, physiological index and yield characteristic of rice under normal and low-N conditions.
用单向方差分析和卡方检验对选择回交导入系群体进行了QTL定位并与原始群体的QTL定位结果进行了比较分析。
One-way ANOVA and chi-square test were used to map QTL by selected ILs which were compared with the QTLs detected by the original populations.
用于作物数量性状基因座（QTL）定位研究的次级作图群体有近等基因系、导入系、染色体片段代换系等。
The secondary mapping populations (SMPs), which were used to map quantitative trait loci (QTLs), include near-isogenic lines, introgression lines, chromosome segment substitution lines et al.
创建的近等基因导入系（群体）为目标基因的发掘、新品种的培育提供重要的材料基础。
The created ILs not only provide a basis of breeding materials for developing new rice cultivars, but also unique genetic stocks for discovery of genes of interest.
创建的近等基因导入系（群体）为目标基因的发掘、新品种的培育提供重要的材料基础。
The created ILs not only provide a basis of breeding materials for developing new rice cultivars, but also unique genetic stocks for discovery of genes of interest.
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