exine

exine

1. Different cultivars showed different exine sculpture and fringes, luminas and verrucate.

(1)微型月季花粉具有3个萌发孔,极面观为三裂圆形;

2. Negundo, which has regulate exine sculpture, may be the most specialized sections in Acer;

Negundo (皱波状外壁纹饰 )则可能代表了槭属中最特化的类群 ;

3. The differencesin size, shape, exine thickness, exine ornamentation and colpates of pollen grainsreflect the evolution trends.

不同茶树品种的花粉粒其形状、大小、萌发孔,外壁表面纹饰均存在着差异、这些特征都反映了茶树花粉的演化趋势。

4. By contrast, there are some similarity on size and thickness of exine.

与此同时,这7种珠藓科植物的孢子在大小、外壁厚度等方面表现出较大的相似性。

5. Pollen Morphology and Exine Ultrastructure of Genus Cordia in Boraginaceae in China

中国紫草科破布木属花粉形态和外壁超微结构

6. Pollen morphology and its exine ultrastructure of the Zygophyllaceae in China.

中国蒺藜科花粉形态及其外壁超微结构.

7. However, differences exist in pollen size, aperture, exine thickness and ornamentation.

但在花粉大小、萌发孔形状、外壁厚度以及表面纹饰等方面存在差异。

8. The exine ornamentation of Ligulariopsis is distinctly different from that of Ligularia and Cremanthodium and the result supports the establishment of the monotypic genus Ligulariopsis.

假橐吾属不同于橐吾属和垂头菊属的花粉外壁性状,研究结果支持本单种属的成立。

9. A Comparative Study on Pollen Exine Ultrastructure of Several Citrus

几种柑橘属植物花粉外壁超微结构比较研究

10. Ultrastructure of Pollen Exine in Peucedaneae Drude with Reference to Its Systematic Significance

前胡族花粉外壁超微结构及其系统学意义

11. The exine ornamentation is striate to microreticulate, and without supratectal element.

外壁具条纹至细网纹饰,表面光滑无附属物。

12. exine sculpture

外壁纹饰

13. The ornamentation of exine is reticulate, reticulate-microperforate or microperforate.

外壁纹饰网状,某些种尚具或为细小的穿孔。

14. exine held protein

外壁蛋白

15. Furthermore, the exine ornamentation of Farfugium is also different with that of Doronicum although both genera commonly share the "Helianthoid" type pollen wall ultrastructure in the Senecioneae.

它与花粉超薄结构同为“向日葵型”的多榔菊属的花粉外壁性状也不相同。

16. It consists of an air-filled protuberance on each side of the pollen grain developed by the separation of the exine layers, giving the pollen a characteristic winged appearance.

它是花粉粒外壁向外扩展而形成的囊状结构,在花粉粒两侧呈翅状,其内充满空气。

17. When the pollen grains were continuously rehydrated in vitro, the exine and intine will separate from the protoplasm, respectively.

将成熟花粉水合后,其细胞质膨胀,挤压花粉壁使其外壁与内壁,接续与细胞质分离。

18. The exine deposition is initiated during the tetrad stage, and the intine formation begins at vacuolated microspore stage.

小孢子在四分体时期开始沉积花粉外壁,小孢子大液泡化时期开始沉积花粉内壁。

19. Depositions of wall started at the late stage of tetrad, and the exine was fundamentally completed by late stage of microspore.

小孢子外壁的沉积始于四分体晚期,至小孢子晚期外壁已基本发育完全。

20. There are four primary exine sculpture types of Sect.Camellia in genus Camellia: rugulate-fossulate, rugulate-ripple, rugulate-ripple to granutate and granutate.

山茶属红山茶组植物花粉外壁纹饰主要有皱沟状、皱波状、皱波状-颗粒状和颗粒状4种类型。

21. Study on Micromorphology of Pollen Exine Surface in Camellia

山茶属花粉外壁表面微形态特征的研究

22. Except for some differences in exine ornamentation and pollen size, there is no great evolutionary divergence among genera in pollen morphology.

总体来讲,花粉没有大的演化分异,只是表面纹饰和花粉大小有一定的差异。

23. Were we supposed to get over an exin a slow painful way?

我们一定要经历漫长的痛苦的一段时间才能忘掉以前的男友吗?

24. The results proposed that the abnormalities of microsporocytic cytoplasm or pollen exine, rather than the tapetal development caused the pollen abortion of Peiai 64S.

据此认为,培矮64S的花粉败育可能是由小孢子母细胞或花粉外壁的异常发育造成的,而不是由绒毡层发育引起的。

25. Abstract: The structure of pollen wall provides many characteristics for systematic botany, among which the stratification, struture and ornamentation of exine is basel.

摘 要: 花粉壁的构造提供了若干在系统发育上有用的特征,其中外壁的层次、结构以及纹饰是基本的。

26. Pollen exine sculpture isn't easily affected by environmental factors.It is exterior representation of genotype.It is one effective methodology in research of plant classification and evolution.

摘要花粉外壁纹饰不易受环境因子的影响,为植物基因型的外部表现,是研究植物分类演化的有效手段之一。

27. Ao Chengqi, Chen Gongxi, Zhang Guoping, et al. Study on Micromorphology of Pollen Exine surface in Camellia. Acta Botanica Yunnanica, 2002(5)

敖成齐,陈功锡,张宏达,等.山茶属叶表皮微形态特征及其分类学意义.云南植物研究,2002,(1)

28. Method: Pollen exine ultrastructure were compared for 18 populations growing under in the same environment by means of scanning electron microscope(SEM).

方法:借助扫描电镜对栽培在同一生境下的18个半夏居群的花粉形态、大小及表面纹饰等特征进行观测比较。

29. Keywords Stachyuraceae;Stachyurus;Morphology;Palynology;Pollen exine ultrastructure;Floral organogenesis;Molecular systematics;Phylogenetic relationship;Taxonomic revision;

旌节花科;外部形态学;花粉形态学和外壁超微结构;花器官发生;分子系统学;分类学修订;

30. A study on the exine microstructure of pollen grain of Populus

杨树各派代表树种花粉粒表面微观结构研究

31. An observation of the exine structure and surfacial characteristics of Eriobotrya pollen.

枇杷花粉外壁结构及表面特征的观察.

32. the exine sculpture may be divided into three types: the lumina irregular, the brink of the lumina not smooth, verrucate;

根据外壁纹饰可分为3种类型:(1)网眼为不规则形状,网眼边缘常有刺突;

33. All two pollen grains possess a well-developed pollen wall (exine and intine).

此二种花粉粒皆有发育良好的花粉壁,花粉外壁和内壁并存。

34. Tapetal cells extend into locules surrounding many microspores during a stage of great vacuolation of microspore cytoplasm, expansion of sacci, and thickness increase of the exine.

此时气囊膨胀,花粉外壁亦加厚。关键词: 气囊小泡,胼脂质,花粉外壁内层, 外壁底层, 小孢子, 欧洲松, 气囊, 孢粉质接受粒,营养层,四分体,乌氏体。

35. We define the exine sculpture variation as three main types, namely perforate, regulate and foveolate.We also found tetracolporated pollen within the sample under LM.

研究红树的花粉形态和发现多态现象有助于了解红树科红树属的花粉外壁演化。

36. The electron microscopy analysis on the development of exine glycoproteins during the growth of Zhen Ban Yu pollen

砧板柚花粉发育过程外壁糖蛋白形成的透射电镜分析

37. The second group included Gold Sun, Maddy, Dwarf Fairy, Hula Girl, Winter Plum and their pollen exine showed dense fringes, rare or bare luminas and verrucate sculpture.

第2组包括‘金太阳’、‘小女孩’、‘矮仙女’、‘草裙舞女’和‘冬梅’,特点是花粉外壁纹饰的条纹密集,具瘤状雕纹,无网眼或较少;

38. pollen 2-nucleate, exine tectum coarsely striate.

粗的花粉2核酸盐,外壁覆盖层具条纹。

39. Pollen Exine Sculpture of Sect. Camellia in Genus Camellia and Its Taxonomic Significance

红山茶组植物花粉外壁纹饰特征及其演化关系

40. pollen 3-nucleate, exine tectum finely striate.

花粉3核酸盐,外壁覆盖层细条纹。

41. The pollen grains are spheroidal or subprolate in shape.The sculptures of the pollen exine are unexceptionally reticulate.

花粉为圆球形或近长球形,外壁表面均具网状纹饰。

42. The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.

花粉壁的外壁分为外层和内层,外层包括覆盖层、基粒棒和基足层等三层,内层只包含一层。

43. The structure of pollen wall provides many characteristics for systematic botany, among which the stratification, struture and ornamentation of exine is basel.

花粉壁的构造提供了若干在系统发育上有用的特征,其中外壁的层次、结构以及纹饰是基本的。

44. Mature pollens with different exine

花粉外壁

45. The exine is composed of tectum, columellae, foot layer and endexine.

花粉外壁由顶盖层、柱状层、底层及外壁内层所组成。

46. Pollen exine sculpture

花粉外壁纹饰

47. Pollen grains triporate, exine reticulate.

花粉粒三孔,外壁网状。

48. At maturation stage, the plastoglobules released from elaioplasts coalesced with unsaturated lipids from endoplasmic reticulum to form the pollenkitt mass deposited on the exine.

花粉粒双细胞晚期,营养层细胞成熟,造油体中之脂肪球与内质网产生之脂肪颗粒瓦解共同形成花粉鞘附著于花粉外壁上。

49. pollen spheroidal, angular, or elongate, with 1 or more leptomata, exine intectate [or absent], sculpturing of pointed or rounded microgemmae or these absent.

花粉近球形,有角,或者延长,有1或更多薄壁区,外壁无覆盖层[或者无],小配子囊尖或者圆形,有文饰或无。

50. Studies on pollen exine ultrastructure of the Polygonaceae

蓼科花粉外壁超微结构的研究

51. The result shows that there are some differences among 7 species on the proximal face, the exine ornamention and shape.

观察结果显示:孢子近极薄壁区的有无、形状及外壁纹饰的细微结构等方面,在属间和种间存在一定的差异。

52. ON THE ULTRASTRUCTURE OF CLASSOPOLLIS EXINE: A TETRAD FROM THE JURASSIC OF SIBERIA

论克拉梭粉外壁的超微结构:西伯利亚侏罗纪的一个孢体

53. exin you are so kind.

谁说没有雷锋了。

54. Nondestructive Quality Exine Theory and Practice for UHT Packed Milk

软包装液态奶无损检测理论与实践

55. The exine of all species can be distinguished by itstectum, baculum and foot-layer.

透射电镜下观察,5种植物花粉外壁均可分为覆盖层、柱状层和基层。

56. Based on exine ornamentation characteristics, Loranthaceae can be subdivided into two groups that are consistent with the two tribes in the family: Elytrantheae and Lorantheae.

通过光学显微镜和扫描电镜观察,国产桑寄生科花粉外壁纹饰可明显分为两个类型:一种类型为刺状或条状纹饰,另一种为颗粒状纹饰,这与该科的鞘花族和桑寄生族两个族相吻合。

57. [9]ZHENG Zhong-hua,WANG Ping-li,PU Fa-ding.A comparative study on pollen exine ultrastructure of Nothofagus and the other genera of Fagaceae[J].Acta Phytotaxonomiea Sinica,1999,37(3):253-258.

郑中华,王萍莉,溥发鼎.南水青冈属及壳斗科其他属花粉壁超微结构比较研究[J].植物分类学报,1999,37(3):253-258.

58. The study indicats the ornamentation of exine can appreciate wild tobacco and non-wild tobacco.The method is useful for taxonomic and evolutionary study of tobacco.

野生烟在供试种中具有独特的细网状外壁纹饰,是鉴别野生烟与非野生烟的一条有效途径。

59. The intine (I) of aperture in fertile pollen grains was opened with conspicuous three strata.Sterile pollen grains display a thickness intine and exine in the aperture which was not opened.

雄花花粉于孔区之花粉外壁破裂且花粉内壁具明显三层,但两性花所产生的不孕性花粉之孔区的内壁较厚且外壁通常不破裂。

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