摘要
本文介绍了甜菜二倍体新品种辽甜1号的选育过程。该品种是辽宁省自育的第一个甜菜品种,它以甜研4号[(Aj1×CLR)×Gn49]为亲本,采用系统选择方法培育而成,属于标准型品种。其主要特点是抗褐斑病性较强,偏丰产,含糖率中等,稳定性强,适应性广。在中等栽培管理条件下种植,株距为25厘米,行距60厘米,公顷株数60,000—67,500。
The breeding pcocess of the new sugarbeet diploid variety Liaotian l was described.This variety Which was the first sugarbeet varietybred in Liaoning province was made by the method of systematic selection and its original parent was the sugarbeet variety Tianyan 4((Ajl×CLR)×Gn49). It belongs to the standard-type(N-type)varieties and has better resistance to the leaf-spot disease(Cerospora),higher root yield,middle-level sugar content,better steadiness as well as wider adaptability.Under the general cultivativative condition its measurement of plant spacing×row width is 25×60cm and its planting rate is 60,000-67,500/ha..
