Genetic transformation system of Petunia hybrida was established in this paper. 34 plantlets were got, and by PCR detection, the CHS gene was introduced into them.

• 摘要本文建立了矮牵牛的遗传转化体系，并将查尔酮合酶基因转入矮牵牛。经PCR检测，得到34个转查尔酮合酶基因株系。