Chiormequat Chloride (CQ) and Mepiquat Chloride (MQ) are two PGRs widely used methods in China.In this article, the trace analysis methods of these PGRs were developed.

• 矮壮素和缩节胺是我国农业上广泛使用的植物生长调节剂，随着人们对其残留危害的日益关注，痕量矮壮素和缩节胺的分析技术也在不断发展。