【摘要】 概述了1990～2003年育成的抗丛根病甜菜新品种中甜—张甜202的选育经过,并对育成品种的抗病机理进行研究,提出了抗病育种的选育指标和主要利用技术。经1995～2003年的试验、示范,结果表明:该品种对甜菜丛根病的防治效果好,增产、增糖效果十分显著。更多还原

【Abstract】 A new Rhizomania resistance sugarbeet variety, Zhongtian-zhangtian202, was bred from 1990 to 2003. The mechanism of Rhizomania resistance was discussed, then the breeding indexes of Rhizomania resistance and the practicable techniques in sugarbeet were suggested. The results showed that the variety had a good effect to resistant Rhizomania, and significant increase for both the root yield and sugar yield.更多还原