英语释义

• smaller of the two types of spore produced in heterosporous plants; develops in the pollen sac into a male gametophyte

片语

microspore androgenesis小孢子雄性生殖

Microspore dedifferentiation小孢子脱分化

angiosperm microspore被子植物小孢子

abnormal microspore异常小孢子

microspore embryogenesis小孢子胚胎发生

Microspore disease小芽胞菌病

Microspore plant小孢子植株

microspore genesis小孢子发育

microspore fungi小孢子真菌

英汉例句

• phenomenon that cytoplasm of late microspore moved directionally and formed cytoplasm bridge was observed clearly.

  清晰观察到晚期小孢子细胞质定向移动形成细胞质桥现象。

• all the materials microspore embryoid yield had significant improvement under low temperature pretreatment.

  供试材料经低温预处理，小孢子胚产量均有明显提高。

• therefore the behavior of vacuome may be the earliest morphological index for microspore abortion.

  液泡系的行为，可能可以作为小孢子败育的最早的形态上的标志。

• the pretreatment with low temperature was beneficial to maintaining microspore vitality.

  低温预处理有利于保持小孢子的活力；

• in recent 20 years with more studies of rapeseed microspore culture a perfect regenerative system of rapeseed microspore culture has been set up.

  近20年，油菜小孢子培养已得到深入的研究，并建立了完善的油菜小孢子再生体系。

• the effects of colchicine on in vitro microspore embryogenesis of brassica napus were investigated using 23 genotypes.

  研究了秋水仙堿不同浓度和处理时间对甘蓝型油菜23个基因型离体小孢子胚胎发生的影响。

• there are several unusual phenomena in the development process of the microspore and male gametocyte of the sterile pollen, ( 1 ) the genesis is unusual in the early stage.

  其小孢子和雄配子体发育过程中有几种异常现象：（1）早期发生异常；

• complete disintegration of cytoplasm of crescent or irregular shape of microspore . 25.

  月牙形和不规则形小孢子细胞质完全解体。

• the microspore culture technology has been widely applied in brassica species nowadays.

  随着蕓苔属作物小孢子培养技术的日趋成熟，应用范围也越来越广泛。

• the efficiency of regeneration of pollen plants with the pollen embryo inducement in pollen culture is higher greatly than that of isolated microspore culture.

  花药培养的花粉胚植株再生率要明显高于游离小孢子培养。

• the complete middle-layer still can be seen in the microspore when it degenerated after the collapse of tapetum.

  相反，中层组织在绒毡层崩溃后、小孢子退化时一般仍然保持着完整的组织结构。

• in theterosporous species, a distinction is usually made between megaspore mother cells and microspore mother cells.

  在异型孢子体种类中，可区分为大孢子母细胞和小孢子母细胞。

• also, the progresses in researches of barley microspore culture, cell suspension culture, protoplast culture and protoplast fusion are briefly introduced in this paper.

  并对大麦小孢子培养，细胞悬浮培养，原生质体培养和原生质体融合研究的最新进展作了简要介绍。

• low temperature and mannitol pretreatment favor the maintaining of microspore activity.

  低温和甘露醇预处理都有利于保持小孢子的活力。

• the amount of pollen plants regeneration from a bud in the isolated microspore culture is higher slightly than that in pollen culture.

  而每花蕾成苗数则游离小孢子培养略高于花药培养。

• otherwise, the chromosome morphology involving haynaldia chromatin was observed at preleptotene i, and the frequencies of chromatin nucleus at tetrad stage and at microspore stage were investigated.

  此外，观察了前期i的簇毛麦染色体形态，统计了四分体和小孢子中小麦和簇毛麦染色质微核频率。

• the ubisch bodies which appeared on the inner tangential wall of the tapetum at the time of microspore wall formation are partially remain on the surface of matured pollen grain.

  小孢子壁形成时开始在绒毡层内切线壁出现的球状体到花粉粒成熟时仍有一部分附着于花粉粒表面。

• at the late stage of microspore formation, microtubule bundles became thinner and reticulately oriented to form a tightly knitted network.

  当小孢子发育至成熟期，细胞内的微管束变得纤细，而网络则变得紧密。

• it is not synchronous highly that the meiosis of pollen mother cells and the development of microspore in the same anther but different pollen sac and in the same anther chamber.

  同一花药不同花粉囊相同一药室，花粉母细胞减数分裂和小孢子的发育，并不是高度同步的。

• in order to improve the isolated microspore culture system in heading chinese cabbage and creat new germplasm resource, and expand of this technology in breeding practice of heading chinese cabbage.

  为了进一步优化大白菜游离小孢子的培养体系，创制新的种质资源，扩展这一技术在大白菜育种实践工作中的应用。

• the procedure of isolated microspore culture with higher regeneration was established by the technique optimization and the platform of maize dh breeding was developed.

  通过技术优化，建立玉米小孢子离体培养高频再生技术程序，在此基础上构建了玉米dh育种技术平台。

• rape have established regeneration system of cotyledons, hypocotyls, protoplasts and microspore culture.

  油菜已经建立了子叶、胚轴、原生质体及小孢子培养的再生体系。

• by comparison with that of body cell, the karyotype of microspore is more accurate and even more effectively reflecting the karyotype characteristics of onion.

  作者认为小孢子的核型比体细胞的核型準确，更能反映出葱的核型特征。

• this study focus on selection of disease-resistant restorer lines through two approaches of microspore culture and marker assisted selection.

  本研究以小孢子培养和分子标记辅助选择两种途径来选育抗病的恢复系。

• isolated microspore culture is one of the methods to obtain haploid.

  游离小孢子培养技术是获得大白菜单倍体植株的有效途径之一。