In order to screen elite wheat cultivars with good tissue culture response as recipients of wheat transformation and to speed up the application of transgenic wheat,the immature and mature embryos of four wheat cultivars: Mianyang 11,Chuannong 12,Chuannong 17,Chuannong18 and seven wheat lines,which were used for area test in Sichuan province in 2004,were cultured in vitro.The results indicated that mean callus induction rate of mature embryos was over 90%.However,significant differences were observed among ...