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农业科学 卵器 The research for the embryo sac structure of triploid lines of SAR-2 showed that: 47% embryo sacs were normal and 53%were not. And in the latter, twin-ovules, twin-sacs, multi-eggs, multi-polar nuclei, multi-antipodal cells and non-egg apparatus were observed.5. 4.同源三倍体成熟胚囊的结构,观察结果表明:正常蓼型胚囊占47%,变异型胚囊占53%,在变异型胚囊中可观察到双胚囊、双胚珠、多卵、多极核、多群反足细胞团和无卵器分化等现象。
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The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells. 成熟胚囊为蓼型胚囊,它包括卵器,一个中央细胞和三个反足细胞。 - 2
The mature embryo sac was one with five nucleus, i. e., egg apparatus and two-nucleus central cell. 成熟的胚囊是五核胚囊:由近珠孔端的卵细胞和两个助细胞以及两个中央极核细胞构成的。 - 3
The mature embryo sac comprises an egg apparatus, a central cell with two polar nuclei and three antipodal cell. 成熟胚囊由印器,具二极核的中央细胞及三个反足细胞组成。
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