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- im mature embryos 幼胚
- IN VITRO CULTURE OF MATURE EMBRYOS OF GINKGO BILOBA L. 银杏成熟胚的离体培养研究。
- Abnormal development was observed at tetrad and mature embryo sac. 在四分体和成熟胚囊时期观察到了异常发育现象。
- The cotyledons of the mature embryo are either green, yellow or chalky yellow. 成熟胚的子叶是绿色，黄色或浅黄色。
- These abnormalities would cause the abnormal structure of mature embryo sac. 这些异常可能最终导致多种结构异常成熟胚囊的形成。
- In vitro Tissue Culture and Plant Regeneration from Mature Embryos of Dendrobium strongylanthum Rchb. F. 梳唇石斛成熟胚的离体培养和植株再生。
- The mature embryos of Chinese pine were used as explants to induce adventitious buds on improved MS media. 摘要以MS为基本培养基，以油松成熟胚为外植体进行离体培养诱导不定芽。
- The somaclonal variation of regeneration plant derived from mature embryo of perennial ryegrass (Lolium perenne L. were analyzed with RAPD makers. 摘要以多年生黑麦草成熟胚诱导获得的再生植株为材料，利用RAPD标记方法对其体细胞变异进行了研究。
- In this paper,we compared the growth index of the mature embryos of five cultivars of Ginkgo biloba L.in three basic media (B_5,WPM,DCR). 选用5个优良银杏品种的成熟胚;分别接种在B5、WPM、DCR3种基本培养基上进行试管培养.
- The effects of low temperature and PEG pretreatments on callus formation and IAA oxidation of mature embryos of wheat were investigated. 摘要研究了低温和PEG预处理对小麦成熟胚愈伤组织形成及IAA氧化的影响。
- Many embryogenic calli were produced by subculture of calli induced from mature embryo of rice. 从水稻成熟胚诱导出的愈伤组织经继代培养后可以产生大量的胚性愈伤组织。
- 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。
- The endosperm consists of free nuclei during development. The mature embryo consists of an embryonic axis and two cotyledons. Endosperm are copious. 胚乳的发育为经由多数自由核方式。胚成熟时由胚轴和两枚子叶构成，胚乳丰富。
- Mature embryo sac has 8 nucleis.Egg cell has obvious polarity.One synergid degenerates before fertilization, the other does after fertilization. 成熟胚囊为八核七细胞，卵细胞极性明显，助细胞在极核融合前已退化一个，另一个宿存，宿存助细胞丝状器明显，并保留退化助细胞的痕迹。
- However, in various cells of the mature embryo sac at late stage, the ACPase reaction showed very great differentiations. 后期成熟胚囊阶段,反足细胞中出现强烈酸性磷酸酶活性,中央细胞次之,而助细胞及卵细胞中很弱。
- The embryo sac is a monosporic Polygonum type.The zygote develops into a mature embryo going through proembryo, globular, heart, and torpedo stages. 胚柄在球形胚时期最发达, 但胚柄短小, 只由3个扁平细胞组成, 之后逐渐退化。
- The main abnormality in the mature embryo sac was single central cell(7.1%) and nucellar cells invaded embryo sac(7.1%). 6. 最显著的异常是珠心组织侵入胚囊及极核的异常（1个极核），比例均为7.;1%25。
- In mature embryo sacs, significant amounts of CaM kinase was also observed in the egg cell, central cell and at the interface of these two cells. 在成熟胚囊的卵细胞、中央细胞以及二者的分界面上也有少量分布。
- Mature embryo sac can form from megaspore mother cell on the modified VW medium supplemented with 0.5mg/L BA and 0.1 mg/L NAA. 在改良VW培养基上添加0.;5 mg/L BA和0
- The mature embryos were cultivated on NB media with different hormones,by using the mature embryos in rice as explants,and regeneration plants were obtained successfully. 利用水稻成熟胚为外植体,接种在NB培养基上,分别附加不同的外源激素,以诱导愈伤组织并促其分化,最终获得水稻再生植株。
