Tetraploid breeding lines的用法和樣例：
例句
- It is extraordinarily important to select tetraploid lines for breeding sugar beet polyploid varieties.
摘要四倍體品系選育是甜菜多倍體育種不可缺少的重要環節。 - The root yield and sugar content of tetraploid lines were higher than that of diploid lines.However, the Cercospora leaf spot resistance had no significant differences.
四倍體品系的根產量和含糖率均優於二倍體材料，而褐斑病抗性差別不大。
