Abstract:

This study used several different disinfection methods and microbicides, as well as different disinfection time of onion seed treatment. The result is that the onion seeds were firstly immersed in non-detergent warm water for 12h, then were immersed in 70% alcohol for 1 minute for disinfection , at last were disinfected by mixture of 0.1% HgCl2 and Tween 20 in proportion to 10000:1 for 10 minutes, but the seed germination does not be affected.