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为了确定一种适宜培养基,以便使正常生理龄的未成熟胚(因胚生长缓慢)得到最佳生长,在温室种植了甜玉米和科罗拉多Klein两品种。授粉后22天和28天分别切取1.2～2毫米
In order to identify a suitable medium for optimum growth of immature embryos (due to slow embryo growth) at normal physiology, sweet corn and Colorado Klein varieties were planted in the greenhouse. 22 and 28 days after pollination were cut 1.2 ~ 2 mm