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一、选育经过通单22是吉林省通化市农科所以具有南斯拉夫地理远缘的自交系BC7315为母本,国内骨干系330为父本杂交育成。 1981～1984年在所内进行产量比较试验,比对照品种吉单101平均增产30.3％;1984～1986年参加吉林省玉米中熟组联合区域试验;1988～1990年参加吉林省玉米中熟组生产
I. Breeding Through Tongdan 22 is the agricultural base of Tonghua City, Jilin Province. Therefore, the inbred line BC7315 with the geographical remoteness of Yugoslavia is the female parent and the domestic backbone 330 is the male parent. From 1981 to 1984, the yield comparison experiment was carried out within the institute, with an average increase of 30.3% over that of the control variety Ji Ditan 101. From 1984 to 1986, it participated in the joint regional trial of maize in Jilin Province; from 1988 to 1990, it participated in the production of maize in Jilin Province