片语

mature rice embryo水稻成熟胚

barley mature embryo大麦成熟胚

dedifferentiation of mature wheat embryo小麦成熟胚脱分化

callus from mature embryo成熟胚愈伤组织

mature seed embryo成熟种子胚

mature embryo induction成熟胚诱导

mature embryo in rice水稻成熟胚

culture of mature embryo成熟胚培养

英汉例句

• The mature embryo accumulate much protein and starch.

  成熟胚中积累了大量的蛋白质和淀粉粒。

• 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。

• 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。

• After being cultured 50-70 days, embryos (including mature and immature ones) as well as seedlings from the mature embryo are obtained from 7 crosses and 2 selfed cultivars with a certain frequency.

  培养50—70天，7个杂交组合及2个自交品种的胚珠均获得一定频率的胚(包括成熟和不成熟胚)及成熟胚萌发的苗。

• The mature embryo sac comprises an egg apparatus, a central cell with two polar nuclei and three antipodal cell.

  成熟胚囊由印器，具二极核的中央细胞及三个反足细胞组成。

• Some abnormal mature embryo sacs are observed.

  于成熟胚囊期观察到发育异常的胚囊。

• In Buffallograss tissue culture, seedling segment, leaf base, mature embryo and immature male inflorescences can be used as explant.

  野牛草组织培养的外植体有幼苗片段、叶基、雄花幼穗和成熟胚等。

• Barley mature embryo was good trial material for biotechnology study and fit for innovating barley variety resource due to free of time and quantity restrictions.

  大麦成熟胚由于取材不受时间限制，数量也可保证，是进行生物技术研究和创新大麦品种资源的一个良好试验系统。

• 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。

• The mature embryo sac has seven cells.

  成熟胚囊内具七个细胞。

• The mature embryo sac was one with five nucleus, i. e., egg apparatus and two-nucleus central cell.

  成熟的胚囊是五核胚囊：由近珠孔端的卵细胞和两个助细胞以及两个中央极核细胞构成的。

• The mature embryo sac is surrounded by en lothelium tapetum. It is composed or an egg apparatus, one central cell with secondary nucleus, and 1—6 antipodal cells.

  成熟胚囊被珠被绒毡县包围，由卵器、具次生核的中央细胞以及数目为1至6个反足细胞组成。

• A mature embryo sac is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells.

  成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成)，中央细胞及三个反足细胞。

• 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 mature embryo sac contains seven cells and the two polar nuclei fused before fertilization.

  成熟胚囊具七细胞，两极核在受精前融合。

• Effect of seed pretreatments and auxin mass concentrations on callus formation of wheat mature embryo and degradation of seed carbohydrate and protein was investigated.

  研究了种子预处理及生长素质量浓度对小麦成熟胚愈伤组织形成及种子碳水化合物和蛋白质降解的影响。

• 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。

• At the mature embryo sac stage, some nucellar cells at the chalazal region differentiated into hypostase.

  成熟胚囊期，合点端部分珠心细胞特化为承珠盘。

• Chalazal end of mature embryo sac is narrow and elongated.

  成熟胚囊的合点端狭长。

• 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。

• In the two mature embryo sacs, embryo and endosperm can be formed.

  两个成熟胚囊中，都可以形成胚和胚乳，因而形成了具假多胚的种子。