我们从1978年开始进行玉米和高粱等作物的远缘杂交,并研究克服远缘杂交的不亲合性,采取幼胚离体培养方法获得了杂种。现将研究结果初报如下: Since 1978, we have carried out distant hybridization of crops such as maize and sorghum. We also studied to overcome the incompatibility of distant hybridization, and obtained hybrids by the in vitro culture of immature embryos. The results of the first report is as follows: