transgene positive plants were planted together and openpollinated by insects to set seeds. The second generation (T1)seeds were harvested from independent rstB transgenic lines and marked following the female parent line. Salt tolerance of T1 seeds was analyzed by a germination experiment. After sterilizing, 100seeds of wild type and rstB transgenic T1 lines L2 and L7 were germinated on filter paper wetted with 120 mM NaCl solution.Three replicates were carried out. The seeds germinated on NaCl-free condition served as a biological control. The germination rates and root-lengths were scored after 2 weeks.