“盘菁一号”和“盘菁二号”是一九六三年采取分期播种,种籽处理,尼龙育苗和短日照处理等措施,从江苏省的东辛和劳豆品种中获得大量早熟单株,将早熟单株作为试材进行系统选育。于一九七八年育成适于我省东、西、北部盐碱薄地栽培的耐涝、耐盐、早熟高产的田菁新品种。同时这两个品种在吉林、黑龙江和内蒙试种,已获得成功。 “Panjing No.1” and “Panjing2” were established in 1963 and adopted such measures as sowing, seed treatment, nylon seedling breeding and short-day treatment. From Dongxin and Lao Dou In a large number of early-maturing plants, the early-maturing plant as a test material for systematic breeding. In 1978, it was bred as a new variety of Tianjing that is suitable for waterlogging, salt-tolerant and early maturing high-yielding cultivation in saline-alkali soil in the east, west and north of our province. At the same time these two varieties in Jilin, Heilongjiang and Inner Mongolia tryout, has been successful.