胚珠是半球形的，有2个被膜，腱鞘状，而原孢子细胞直接作为大孢子母细胞起作用。
The ovules are hemitropous, with 2 integuments, tenuinucellate and the archesporial cell functions directly as the mega-spore mother cell.
这种现象可能与胚珠后期败育有关。
This phenomenon was probably correlated with ovule abortion.
珠鳞基部近轴面着生2个胚珠；
在植物，珠被在胚珠外形成一个封套。
In the plant, bead appearance of ovule be been in becomes an envelope.
胚珠的异常常伴随着花药的异常而发生。
The abnormal ovule often appear simultaneously with the abnormal anther.
初生合点吸器沿着胚珠的维管组织分支。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
三月中旬，胚珠原体形成。
胚珠生于什么位置等。
本文首次报告了甜菜远缘杂交胚珠培养的结果。
This paper reported the first results of ovule culture in beet wide hybridization.
番茄的胚珠倒生。
“而你是啥子的胚珠呢?”伶俐之树慈祥地问阿狸。
实验结果说明花粉管的定向生长受胚珠的分子信号调控。
It is suggested that directional growth of pollen tubes are controlled by molecular signal in ovule.
开花前后可以由于外施IAA，明显增加胚珠的纤维数量。
Adding to IAA before blooming previously increases the cotton fiber quantity.
的花粉形态和水合特性及胚珠发育、传粉滴形成与传粉过程。
Pollen morphology and hydration, ovule development, formation of pollination drop and the pollination process of Taxus chinensis (Pilg.
扁桃果实由单心皮上位子房发育而成，边缘胎座，横生胚珠。
The almond fruit was developed from solitary carpel in the superior ovary which there were the border placenta and amphitropous ovule.
大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
对7个葡萄二倍体与四倍体杂交组合的胚珠进行离体培养研究。
In vitro of ovules in 7 cross combination between diploid and tetraploid cultivars of grape were studied in this experiment.
低温处理对离体培养棉花胚珠轮廓面积的大小也有相似的影响。
The occupied area of cultured ovule and fibers affected by low temperature had similar trend to the length of the fiber.
结果表明，倒生的棉花胚珠可以分为合点区、株柄顶区、腰区和珠孔区。
The results showed that ovule surface might bedivded into the chalazal zone, crest zone, middle zone and the micropylezone.
当胚发育最为充分而又尚未败育时取胚珠进行培养，存活胚的比例较高。
When embryos developed fully and did not abortive, ovules might be cultured, and percentage of the viable embryos was higher.
绿豆子厉由单心皮构成，1室，有9—13个弯生胚珠着生在边缘胎座上。
Green Grams ovary consists of singe carpel, one locule, cantaining 9—13 campylotropous ovules bearing at the marginal placentation.
试验证明胚珠培养在克服萝卜和大白菜属间杂交不亲和性方面具有一定意义。
The experiment showed that ovule culture in overcoming cross-incompatibility between radish and Chinese cabbage is of significance.
运用常规石蜡制片法，在光学水平观察了淀粉在大麦胚珠发育中的消长动态。
Based on the conventional paraffin sectioning method, observation was done at the optical level on the dynamics of starch during the ovular development in barley.
极早熟桃品种“春蕾”果实硬熟期的幼胚在胚珠离体培养条件下维持胚性生长。
The young embryo of super-early maturing peach variety 'Chunlei 'at fruit hard-ripe stage maintain embryonic growth under the conditions of in vitro culture of ovule.
本工作对苎麻花药的发育和花粉粒的形成、胚珠的发育和胚囊的形成进行了观察。
In present work, the development of anther, formation of pollen grain and development of ovule and formation of embryo sac in Ramie were observed.
开花当天内源IAA含量的急剧上升可能是胚珠表皮细胞迅速伸长的一个重要原因。
The remarkably raised IAA level at anthesis may be responsible for the epidermal cell expansion.
离体诱导不同类型的纤维突变体胚珠纤维发育，研究纤维突变体离体纤维发育的情况。
The fiber induction and development from cotton ovules of fiber mutants in vitro were studied and analyzed.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
雄球花序中的不育胚珠和雄球花以及雌球花序中的胚珠均起源于环状总苞基部的分生组织。
The abortive ovules and male flowers in male cone inflorescence and the ovules in female cone inflorescence are originated from an annular meristem which differentiates from the base of each collar.
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