鉴别农作物种子有无生活力,可做发芽试验,或用化学试剂浸种染色测定。而根据种子、种胚外表特征,解剖种子及种胚或对种子进行简单处理后进行观察,以确定种子有无生活力,是一种简便易行的方法。油菜种子剥去油菜子种皮观察,凡幼芽、幼根带青白色,子叶带有青绿色、黄白色、黄色且湿润,有弹性的为 Identify the presence or absence of viability of crop seeds, germination tests can be done, or chemical reagent soaking stain determination. However, it is a simple and easy method to determine the viability of the seeds according to the characteristics of the seeds, the appearance of the embryos, the dissection of the seeds and embryos, or the simple treatment of the seeds. Rape seeds were peeled off the rapeseed seed coat. All the young shoots and young shoots were greenish white, cotyledons were turquoise, yellowish white, yellowish and moist, and elastic