The experiment adopt ordinary germination to measure Melilotoides ruthenicus seed's germination capacity in different development stages.And using general paraffin section study on morphology and anatomy of Melilotoides ruthenicus seed development.The results showed as follows:(1)The weight of per 1000 seeds and seed volume of Melilotoides ruthenica(L.)Sojak cv.Zhilixing which had been cultivated and acclimated are smaller than M.ruthenica(L.)Sojak.(2)The three of some important reasons that M.ruthenica for...