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芡实种子萌发期的生物学特性与结构解剖
施国新; 徐祥生;   
南京师范大学生物系
摘要:
本文描述了芡实种子的结构,种子的萌发和幼苗的形态特征。成熟种子必须置于水中保存,以增大胚体,并完成后熟作用。外胚乳是种子萌发和幼苗生长的主要营养来源。萌发后在子叶叶柄基部外侧形成的突起结构可能起固着作用。
关键词:  芡实  种子  萌发  外胚乳  
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