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大豆开花后18～43天,子叶细胞含叶绿素。细胞内原质林可逐渐积累淀粉粒;基质内有基粒和基质片层。原质体发育为造粉质体。这种造粉质体属“绿色造粉质体”。开花后53～63天,造粉质体内淀粉粒数目减少,体积缩小;片层结构肿胀,并逐渐解体。造粉质体脱分化为原质体。造粉质体的分化和脱分化过程与蛋白质和脂类的积累密切相关。
18 to 43 days after flowering of soybean, cotyledon cells containing chlorophyll. Intracellular matrix Lin can gradually accumulate starch grains; matrix within the grana and stroma lamellae. Protoplasts are plastid plasmids. This silvery plastid is a “green silique plastid.” From 53 to 63 days after flowering, the number of starch granules in the silty plastids decreased and their volume decreased. The lamellar structure became swollen and gradually disintegrated. Deminiscence of plastid plasmids into protoplasts. The process of plastid differentiation and dedifferentiation is closely related to the accumulation of protein and lipid.