Durik-durik (Syzygium sp.) is one of the important plants grown in floodplain area around Kajuik Lake Langgam District, Pelalawan Regency, Riau Province and has a good adaptability to the inundation stress. This ability is related to the source of the tolerant genes to its inundation stress. It is necessary to do the gene expression study for identifying those genes. In gene expression analysis…