Figure 7 . The regulation mechanism of salinity on tillering process inSpartina alterniflora . The red words represent a high expression level of genes or content of SLs, the green words represent a low expression level of genes or content of SLs. “┬” means reduction and the red arrow means promotion. (a) 0‰ salinity condition; (b) 15‰ salinity condition; (c) 30‰ salinity condition.