蓼型

东北龙胆的胚囊发育属于蓼型。

The development of embryo sac belongs to polygonum type .

其大孢子发生和雌配子体发育过程正常，大孢子母细胞减数分裂形成线形或T形四分体，合点端大孢子为功能大孢子，胚囊发育属蓼型。

In female flowers , megasporogenesis and development of female gametophytes were normal : the tetrad of megaspores was linear or T shaped ; the chalazal megaspore was usually functional ; the development of embryo sac was of the Polygonum type .

蓼型（Polygonum-type）胚囊大孢子母细胞减数分裂时，其珠孔端细胞壁出现胼胝质荧光，并逐渐扩展到整个细胞壁。

Polygonum-type & During the process of megasporocyte meiosis , callose occurs first in the wall of megasporocyte from micropylar end , then gradually envelops the whole cell .

籽银桂的胚囊发育类型为蓼型。

The development of embryo sacs of'Ziyingui'belonged to polygonum type .

胚囊发育分为两种类型，即有性生殖的蓼型和无孢子生殖的大黍型。

Its sexual reproduction exhibited the characteristics of polygonum_type embryo sac formation .

胚珠薄珠心，蓼型胚囊。

The ovule is tenuinucellate and the embryo sac is of the polygonum type .

胚囊的发育属蓼型，胚乳的发育为核型；

The development of embryo sac belongs to the polygonum type and the endosperm to the nuclear type .

胚囊的发育属于蓼型胚囊。在胚囊发育过程中，珠被内表皮细胞特化成珠被绒毡层。（3）受精作用属于有丝分裂前型。

The embryo sac is of Polygonum type . ( 3 ) The fertilization is of premitosis type .

大孢子经过3次连续的有丝分裂，形成8核的蓼型胚囊。

The megaspore had 3 consecutive mitosis , and the formed of eight-nucleate polygonum type embryo sac . 4 .

胚囊发育为蓼型，胚的发育为十字花型。

A Promise of Flowers The development of the embryo sac is of the Polygonum type and that of the embryo the Cruciferous type .

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 .

‘大五星’枇杷的胚胎发育解剖观察表明：（1）‘大五星’枇杷胚珠为倒生胚珠，蓼型胚囊和核型胚乳。

Embryo development of ' Dawuxing ' Results of anatomical structure of ' Dawuxing ' showed that ( 1 ) The ovules belongs to anatropous ovule , polygonum type embryo-sac , nuclear endosperm in ' Dawuxing ' .

减数分裂结束后，胼胝质在珠孔端的分布多于合点端，直到功能大孢子选择时期胼胝质壁才开始降解，符合有性生殖蓼型胚囊发育过程中胼胝质的分布模式。

After meiosis , the distribution of callose at the micropylar end more than chalazal end until the functional megaspore selection callose wall began degradation , this consistent with the callose distribution patterns in the process of sexual reproduction in Polygonum-type embryo sac .

雌配子体发育的特点是：倒生胚珠、基底胎座、厚珠心、双珠被、孢原细胞直接长大成大孢子母细胞、反足细胞退化早，胚珠发育为蓼型。

The character of macrospore in development were as followed : anatropal ovule , basal placenta , thick nucellar , two integument , megaspore mother cell coming directly from archesporial cell , early degenerating antipodal cell , thedevelopment of the embryo sac being conformed as the polygonum type .