一、前言油菜种子在植株上发芽是常见的现象,在收获、脱粒以后,由于发芽造成的损失也屡见不鲜。因此,在不少人的心目中造成一种错误的概念,认为油菜种子不存在休眠现象,更谈不上存在休眠期。事实上过去的报道提到过油菜种子的休眠,而且推测过油菜种子休眠的原 I. Introduction Rape seed germination on plants is a common phenomenon, after harvesting, threshing, due to the loss caused by germination is not uncommon. Therefore, in many people’s minds create a wrong concept, that rape seeds do not exist dormancy, let alone the existence of dormancy. In fact, the past reports mentioned the dormancy of rape seeds, and speculated that the rape seeds dormant