为了能有效地杀除共培养后残余的农杆菌和筛选转化体，测定了青菜对5种抗生素的敏感性。

For effective elimination of Agrobacterium and screen of transformed cells after co-cultivation, sensitivity of cabbage cultured in vitro to 5 antibiotics was testes.

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共培养培养基中添加乙酰丁香酮可提高转化频率。

It was beneficial to add acetosyringone into cocultivation medium for improving transformation frequency.

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从共培养到转化植株的获得只需6—7周。

Rooted transformants could be obtained in 6-7 weeks.

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