甜菜二倍体新品种中甜—包育202的选育

摘要

The new sugarbeet variety Zhongtian-Baoyu 202 was bred by systema tic breeding and physiological selection.This is a general diploid hybrid.It has better resistance to Cercospora and Yellow Virus.It has been tested in national sugarbeet regional test during 1996-1998.The root yield,sugar content and sugar yield compared with CK increased by 19.67%,1.61°s and 36.93%,respectively,and which were higher than CK by 9.3%,1.01°S and 16.3% in production test in 1999.%甜菜二倍体新品种中甜—包育202，是在系统选育的同时，利用了 生理选 种的相关知识育成的普通二倍体杂交种。该品种较抗褐斑病和黄化毒病。在1996～1998年的 轻工全国甜菜品种区域试验中，其块根产量、含糖率和产糖量比对照分别高19.67%、1.61 度和36.93%；在1999年的生产试验中，分别比对照提高9.3%、1.01度和16.3%。