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郑74046大豆新品种是我院经作所1974年用郑州135作母本,泗豆2号作父本进行有性杂交,先后用系谱法和系统选择法育成。1979年—1981年参加省区试,表现早熟,抗倒伏。为提高其丰产性、抗逆性,于1980年—1982年进行优系筛选,选出的优系1983—1985年参加黄淮海区试和省种子公司组织的生产示范,三年省内外44点次试验,平
Zheng 74046 new varieties of soybeans in our hospital by the Institute of 1974 with Zhengzhou 135 as female parent, bean No. 2 as the male parent sexual hybridization, has been genealogy and system selection method of breeding. 1979 - 1981 to participate in the provincial test, the performance of precocious, lodging. In order to improve its high yield, resistance, in 1980 - 1982 for the selection of excellent system, the selected system from 1983 to 1985 in Huanghuaihai trial and provincial seed company organization demonstration, within three years 44 points Test, flat