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徐花4号是江苏省徐州农科所1975年用7205—1品系为母本,天府3号品种为父本进行有性杂交,1977年株选,1983年育成7506—57品系,1989年4月由江苏省农作物品种审定委员会审定合格后定名。产量表现 1987年～1988年参加江苏省花生品种夏播组区域试验,两年平均亩产荚果235.8公斤,籽仁178公斤,分别比对照种花28增产6.8%、16.1%,居夏播组第一。1988年江苏省生产试验以花28作对照,在泰兴、泗洪、赣榆、新沂增
Xuhua No.4 was a cross between 7205-1 strain of mother plant in Tianjin in 1975 and Tianfu No.3 breed as a male parent in 1977. It was bred in 1977 and bred in 7506-57 in 1983, Month by the Jiangsu Provincial Crop Variety Approval Committee after passing the naming. Yield performance In 1987 ~ 1988 to participate in the peanut variety of sowing group trials in Jiangsu Province, two-year average yield per mu pits 235.8 kg, 178 kg seed, respectively 28 than the control flower 28 yield 6.8%, 16.1% . In 1988, the production test in Jiangsu Province was compared with that of flowers 28 in Taixing, Sihong, Ganyu and Xinyi