大孢子四分体为线形,合点端功能大孢子发育成为蓼型胚囊。
Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
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。
The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells.
对早稳型水稻成熟胚囊结构观察结果表明:正常蓼型胚囊占90.8%,异型胚囊占9.3%。
The research for the embryo sac structure of early stable rice showed that 90.8% embryo sacs were normal and 9.3% were not.
籽银桂的胚囊发育类型为蓼型。
The development of embryo sacs of 'Ziyingui' belonged to polygonum type.
大胞子四分体线形排列,合点端大孢子为功能大孢子,胚囊发育类型为蓼型,具有特化的珠被绒毡层和承珠盘。
Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.
大胞子四分体线形排列,合点端大孢子为功能大孢子,胚囊发育类型为蓼型,具有特化的珠被绒毡层和承珠盘。
Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.
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