PCR electrophoresis assay and PCR-Southern hybridization showed the foreignbar gene had been stably transformed into the genomes of the transgenic wheat plantletsregenerated from 4 of the 9 ppt-resistant calluses.

• PCR电泳检测与PCR－Southern杂交结果显示，外源bar基因已转化进了由其中4块愈伤组织再生出的转基因的小麦植株中。