另一个雄配子和次生核结合形成初生胚乳核。
The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
包含游离核的合点端胚乳部分形成几个裂片。
The chalazal parts of the endosperm containing free nuclei forms several lobes.
如果以胚乳游离核数目为对照，大部分合子中雌雄性核仁的融合发生在32～128个胚乳游离核时期。
Refering to the number of free nuclei of the endosperm, the fusion of male and female nucleoli in most of the zygotes occurred in the stage of 32 to 128 nuclei of the endosperm.
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