Using acid etching,drug,low temperature layer accumulate and branch water combine changing temperature method,abolishing the Iris lactea Pall.var.chinensis Koide and Iris bungei Maxim two kinds of Iris plants seed dormancy and improvement germination rate of seeds were studied.The results showed that the effect of single treatment on dormancy and seed germination of two kinds of Iris plants it is not obvious.Through branch water combine changing temperature the germination rate of seeds significant improvem...