The genetic correlation indicated that root yield,sugar content and sugar yield showed positive relations except Cercospora leaf spot resistance.

• 遗传单粒型多倍体品种的各项经济性状指标相对较差。 遗传相关性分析表明,除褐斑病级与根产量、含糖率及产糖量呈负相关外,其余3个性状间呈现正相关关系。