华北区甜菜种质资源的收集、鉴定、评价

The collection, identification and evaluation of beet germplasm in the north China

通过对华北区48份甜菜种质的农艺性状和产质量性状鉴定,对参试种质的丰产性、高糖性和抗病性进行了综合评价,筛选出苗期、繁茂期生长势、整齐度均较好的材料5份;较适宜机械化种植起收的材料4份;较抗褐斑病资源材料17份;偏高产型甜菜资源材料1份;偏高糖型材料6份。筛选的种质可作为新品种选育的重要杂交亲本加以利用。

Some fine sugarbeet germplasms have been selected and identified through the appraisal of main agronomic traits and quality analysis from 48 germplasms grown up in North China. These germplasms were on high yield and high sugar comtent as well as disease resistance.5 of them were better than others at seeding stage and lush growing stage of foliage.4germplasms were suitable for mechanization planting.17 germplasms had better resistance to Cercospora.We found 6 materials with high sugar content and 1 material was high yield variety.All this sugarbeet germplasms can be used as crossing parents.