Plant embryo abortion is common in plants, and has been wildly studied in the botany field.
植物胚胎败育现象在许多植物中普遍存在，而胚胎败育的原因始终是植物学领域的研究热点。
Certainly, there has been inadequate study of the factors reactivating dormant transposons following plant embryo culture.
当然，还没有充分的关于随着植物胚胎培养而重新启动休眠转座子的因素的研究。
For example, in the development of the plant embryo from the zygote, one end becomes the radicle, the other gives rise to cotyledons.
例如植物由合子到胚的发育，一端形成胚根，另一端成为子叶。
This callus can differentiate somatic embryo and regenerate plant on the culture medium somatic embryo differentiation.
该培养基适于培养大豆等豆科植物未成熟子叶原生质体，通过胚性愈伤组织，经胚胎发生途径。
Parthenogenesis is a kind of reproductive mode by which the egg develops into embryo without fertilization and develops into plant finally.
孤雌生殖是指卵细胞不经过受精而形成胚并发育为个体的生殖方式。
APRT coding gene was active during the development of somatic embryogenesis, this indicated a way of nucleotide remedial synthesis existed during embryogenesis or embryo development in higher plant.
APRT编码基因在体细胞胚发育过程中的活跃表达，意味着在高等植物胚胎发生或发育过程中存在核苷酸补救合成途径。
The embryo rescue technology plays an important effect in the plant breed.
离体胚培救技术在植物育种中发挥着极为重要的作用。
So it was significant to build an efficient regeneration system for barley mature embryo by studying factors that influence barley mature embryo culture and plant regeneration.
因此，研究大麦成熟胚组织培养条件和植株再生频率的影响因素，建立大麦成熟胚高效再生体系对于有效地开展大麦转基因研究具有重要意义。
The relationship between air temperature and plant grow th and development and embryo development of cotton was studied.
研究了温度与棉花生长发育及幼胚离体培养的关系。
Heat shock stress is one of important abiotic factors, high temperature cause plants wilting, impact the development of embryo, and restrict the plant normal growth.
热激胁迫是一个非常重要的非生物胁迫因子，升高的温度会导致植株萎蔫，影响植物胚胎发育，制约植物的正常生长。
Maturation culture could accelerate somatic embryo developing and enhance the amount of regeneration plant.
成熟培养能促进体胚的生长发育、提高再生植株的数量。
In recent years, the study of development of plant somatic embryo and technique of polyploid induction have become two important subjects in cytobiology and molecular biology.
植物体细胞胚发生的机理研究和多倍体诱导的技术优化一直是植物分子及细胞生物学中的两个热点问题。
Its functions are like a zygotic embryo in giving rise to a new plant.
其功能象能产生一株新植物的合子胚。
The high efficient plant regeneration systems have been established by optimizing tissue culture conditions using inflorescence explants, immature and mature embryo scutella as the target materials.
优化了小麦组织培养条件，建立了以小麦幼穗切段、幼胚盾片和成熟胚盾片为外植体的高效稳定再生体系。
Rice plants can be regenerated from the in vitro embryo treated by exogenous plant DNA in the experiment.
本试验用外源植物DNA处理水稻离体胚，并获取胚的再生植株。
The results showed that the callus initiation and plant regeneration were related to endogenous hormones of mature rice embryo and its derived callus.
结果表明，愈伤组织诱导率和植株再生与水稻的成熟胚及其愈伤组织的内源激素含量有关。
Full quality of basic media were more suitable to callus subculture than half quality of that. But MS basic medium was advantageous to plant regeneration of mature embryo.
全量培养基比半量培养基更适合愈伤组织继代；MS基本培养基有利于种胚植株再生。
Effects of AC and anther density on pollen embryo and callus production and green plant regeneration were studied in a filter-sterilized, liquid-medium culture system.
在过滤灭菌的液体培养体系中研究了甘露醇预培养和诱导培养过程中活性碳和花药密度对大麦花培效率的影响。
Morphological observation showed that the process that Embryo Cells broke through the testa to protocorms, then complete plant had regularity.
通过形态学观察发现，山慈姑种胚从突破种皮到形成原始球茎，最终发育成为完整植株这一过程具有一定的规律性。
Morphological observation showed that the process that Embryo Cells broke through the testa to protocorms, then complete plant had regularity.
通过形态学观察发现，山慈姑种胚从突破种皮到形成原始球茎，最终发育成为完整植株这一过程具有一定的规律性。
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