Tetraploid breeding lines

• 四倍体品系

Tetraploid breeding lines的用法和样例：

例句

1. It is extraordinarily important to select tetraploid lines for breeding sugar beet polyploid varieties.
   摘要四倍体品系选育是甜菜多倍体育种不可缺少的重要环节。
2. 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.
   四倍体品系的根产量和含糖率均优于二倍体材料，而褐斑病抗性差别不大。