This paper dealed wi th the dry mat ter accumula tion and seedfi lling characteri sticsaf ter anthesis in fa ll planted v egeta ble soy bean variety 292. The result show ed that increasingin seed w eigh t a nd decreasing in seed w ater co ntent both w ere a t S ty pe curv e,but they tended in opposi te direction. The average rate of seedfiling took on impo rtantpart in seed dry ma tter accumula tion. Vegetatio n g row th and reproductiv e g row th lay edequal intensio n in the previous seedfil ling period. The la tter played more important rolethan the fo rmer in medium seedfilling stag e and vegetatio n g row th sto ped in last stage ofseedfilling.
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