针对木质素含量这一数量性状的遗传变异规律进行了综合评述。
Genetic variation of the quantitative trait lignin content was remarked in detail.
运用野外观察、田间试验和统计分析的方法研究泡桐自然接干性状的遗传变异规律。
The genetic variation of paulownias natural stem-join characters was studied by means of field observation, field test and statistical analysis.
开展对牡丹染色体的研究，不仅可以从细胞水平上了解遗传变异的规律，而且可以研究不同物种遗传的变异。
Studying the chromosome of tree peony, is not only knowing the regular of genetic variation but also studying the species of heredity on the cell level.
开展对牡丹染色体的研究，不仅可以从细胞水平上了解遗传变异的规律，而且可以研究不同物种遗传的变异。
Studying the chromosome of tree peony, is not only knowing the regular of genetic variation but also studying the species of heredity on the cell level.
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