Xinjiang Wild Rape (Sinapis arvensis L.) which has many fine characters is a primitive variety in rape. As a result, how to use Xinjiang Wild Rape has attracted increasing attention of the rape-breeders. This article have made some preliminary studies on the compatibility between Brassica napus L.and Xinjiang Wild Rape and others such as the identification of intergenetic hybrids and so on .The results show as following:1.The incompatibility between Brassica napus L. and Xinjiang Wild Rape can be overcome b...