Monitoring of Roundup™ Ready soybean in Guangdong province in China

This study was aimed at monitoring the presence of Roundup™ Ready soybean (RRS) in the market (660 samples) and fields (630 samples) in Guangdong Province in China using polymerase chain reaction (PCR) method. According to the gene sequence transgened to Roundup Ready™ soybean, four primer pairs, aiming at cp4-epsps, lectin, CaMV 35S promoter and nos terminator were designed and PCR method to detect the GM soybean has been established. The detection results demonstrate the presence of one Roundup™ Ready soybean seed sample from 60 samples in Shenzhen City. No soybean plant samples from Guangdong Province were found