Setaria sphacelata cv.Narok is one of excellent tropical grass forages.But during germination,the seed is too easy to mold that restricts its production and utilization seriously.Using the sodium hypochlorite,hydrogen peroxide,copper sulfate,potassium permanganate and ethanol on seed disinfection process to experiment,it showed that the five kinds of disinfection methods all could reduce the seed mildew rate and improve the vigor of seed.Copper sulfate is the most ideal vitro disinfectant for Setaria sphacelata cv.Narok seeds.1.5％ of copper sulfate treatment for 10 min effects best.The germination rate,germination index and vigor index were 22％,7.38 and 0.006 6 respectively and They were significantly higher 2.8 times,3.4 times and 4.1 times respectively than those of the control ; But the mildew rate was reduced by 84％ than the control.
disinfectionmildew rategermination rategermination indexvigor index
NETL
NSTL
万方数据
维普
