xylem

xylem

1. Maize（Zea mays..L）;osmotic stress; xylem sap;alternative split-root; free amino acid; protein.

09玉米;渗透胁迫;木质部汁液;分根交替;游离氨基酸;蛋白质

2. 4) Primary xylem is of centrarch maturation;

4)初生木质部发生顺序为心始式;

3. The larva hurts the surface layer of xylem and phloem of alive linden just after the hatching and begines to overwinter in the end of September.

5月上、中旬在成虫补充营养期，用绿色威雷对椴树树干树冠进行喷雾毒杀成虫；

4. A tissue composed of cells capable of active cell division, producing xylem to the inside of the plant and phleom to the outside; a lateral meristem.

一种具有强烈分生能力的组织,向内产生木质部,向外产生韧皮部;一种侧生分生组织。

5. In general the negative pressure potential of the xylem is equal to the water potential of the surrounding cells minus the osmotic potential that the solutes dissolved in the xylem sap creates.

一般来说木质部的负压潜力与周围的细胞的水潜力是相等的减在木质部树汁溶化的溶质创造的渗透的潜力的。

6. The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close.

不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。

7. The Effect of Latitudes on the Structure of Secondary Xylem in Liriodendron chinense Sarg.

不同纬度对鹅掌楸次生木质部结构的影响。

8. Resveratrol mass fraction of callus in different induced parts is: fresh rhizome (phloem in rhizome)>xylem in rhizome>marrow in rhizome, about 0.0090% in fresh rhizome.

不同组织部位诱导的愈伤组织中白藜芦醇质量分数为：鲜茎（根状茎中韧皮部）＞根状茎中木质部>根状茎中髓，鲜茎中达到0.0090%。

9. The degree of lignification varies from slight in protoxylem to heavy in sclerenchyma and some xylem vessels, but values of 25-30% lignin and 50% cellulose are average.

不同部位的木质化的程度不同，原生木质部中只有轻微的加厚，而在厚壁组织和一些木质部导管中则进一步加厚，平均含25%-30%的木质素和50%的纤维素。

10. A system confined to the transport of mineral elements is known as the xylem

专门用来运输矿物元素的系统称为木质部。

11. The stele includes all primary tissues derived from the procambium consists of pericycle,phloem and xylem.

中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。

12. Comparison the content in the back of Radix Salvia Miltiorrhiza with that in the xylem

丹参皮质部与木质部有效成份含量比较

13. The chemical components in different parts of Radix Fici Hirtae are similar but the contents of volatile component and psoralen are higher in the cortex than those in tile xylem.

五指毛桃不同采收部位所含化学成分相似，其中根皮部的挥发油成分和补骨脂素含量均高于木质部。

14. Here we report that two different types of transporters mediate transport of arsenite, the predominant form of arsenic in paddy soil, from the external medium to the xylem.

亚砷酸盐是稻田土壤中砷的主要存在形式，而木质部把营养从根部运输到植株。

15. Studies on the Vessel Elements of Secondary Xylem in Manilkara zapota

人心果次生木质部导管分子的观察研究

16. They manipulate the water in the xylem under negative pressure -- what's called a metastable liquid state -- right on the verge of becoming a vapor.

但木质部通道的两端都结合有带微孔的膜，这些孔能够阻碍通道中的水超越其表面张力，发生蒸发。

17. Observation of Vessel Elements in Secondary Xylem of Phyllanthus emblica

余甘子次生木质部导管分子观察研究

18. Relationship between Xylem Embolism and Hormone Concentration in Xylem Sap of Acer truncatum

元宝枫木质部栓塞化与木质部汁液激素含量的关系

19. The fibers of its xylem are end-tapering and bosom-bulky,with characteristics of thin cell wall.

光叶楮木质部为散孔材,纤维长宽比小,粗度大;

20. Fiber Characteristics and Chemical Pulping of the Xylem of Fast Growing Wood-Guangyechu

光叶楮木质部纤维特性与化学法制浆性能的研究

21. Apoplast The mostly continuous system of cell walls, intercellular air spaces, and xylem vessels in a plant.

共质体：是通过胞间连丝把无数原生质体联系起来形成一个连续的整体。

22. Resin was synthesized by the active cells in the cambium zone including secondary xylem cells, cambium cells, secondary phloem cells and ray cells.

其形成的部位为当年的次生木质部，树脂道是由最幼嫩的木质部部分细胞分化形成。

23. Liu W G, Chen Y, Shan L.Effects of soil bulk density on ABA concentration in xylem sap and stomatal conductance of maize (Zea mays L.) plant under different soil water conditions.

刘晚苟,陈燕,山仑.不同土壤水分条件下土壤容重对玉米木质部汁液中ABA浓度和气孔导度的影响.植物生理学通讯,2006,42(5):831-834.

24. primary meristem; primary xylem.

初生分生组织；初生木质部

25. Primary xylem Xylem derived from the procambium in the young plant.

初生木质部：指幼嫩植物中来源于原形成层的木质部。

26. Comparative Studies on Secondary Xylem in Root and Stem of Schisandra sphenanthera

华中五味子根、茎次生木质部的比较解剖

27. Haplostele A type of protostele having a solid strand of stele with the xylem on the inside encircled by phloem, pericycle, and endodermis.

单中柱：原生中柱的一种类型，是由韧皮部、中柱鞘和内皮层包围着内方的木质部构成的实心中柱。

28. The primary meristem consisted of calyptrogen, primordial epidermis, periblem and plerome, while the primary structure consisted of epidermid, cortex and central cylinder.Primary xylem is diarch.

原分生组织来源于胚根，由3群原始细胞组成，具有典型分生组织的细胞学特征；

29. Protostele A simple form of stele, uninterrupted by leaf gaps, consisting of xylem in the center completely surrounded by phloem.

原生中柱：中柱的一种简单类型。

30. The first formed xylem that differentiates from the procambium.

原生木质部最先形成的木质部，与原形成层不同

31. Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.

原生木质部：初生木质部的成分，最早由原形成层形成。

32. Bicollateral bundle The arrangement of tissues in the vascular bundles in which the phloem is situated on both sides of the xylem.

双韧维管束：是初生木质部的内，外方都有初生韧皮部分布的一种维管束排列方式。

33. The development of xylem is of mesarch.Stomata are monocyclic type.

叶脉、叶柄、上胚轴的维管束均为外韧型。

34. Out of the xylem, there is lot of fiber and the tannin crystal distributes around the air cavity.

叶脉中厚壁组织发达，木质部外纤维数量众多，在气腔周围有单宁结晶分布。

35. Large proportion of xylem benefit to the water transfer.

叶脉中木质部比重越大,越有利于水分的传输。

36. The result shows tha t the photosynthate and the water from xylem transportation in phloem are closel y interrelated.

同化物分子和水分子在韧皮部的运输存在多速率现象。

37. The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.

后生木质部初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征

38. Centripetal xylem differentiates from the outside toward the center, and a centripetal inflorescence (e.g. the capitulum) is one in which the outer flowers open before those in the center.

向心的木质部的分化是从外向内的，向心式的花序（头状花序）是外面的花比中央的花先开放。

39. Change of Xylem Sap Composition and Its Role in Signal Transduction from Root to Shoot Communication Under Soil Drying

土壤干旱条件下木质部汁液成分变化及其在根冠信号传递中的作用

40. For 27-year-old P. simoniir, the reducing sugar content in phloem and xylem at different heights did not show significant difference, while it showed closely negative correlation with the ratio of damaged trees.

在27年生同一品系小叶杨树中，虽然不同高度的还原糖含量差异不显著，却与被害株率呈现紧密负相关。

41. In the differentiating xylem element, the gold particles were labeled in secondary wall and cytoplasm.

在分化中的管状分子中，胶体金颗粒位于次生壁上和细胞质中。

42. In nonwoody plants the primary xylem is the only water-conducting tissue, but in mature plants with secondary growth this function is mostly taken over by the secondary xylem.

在尚未木质化的植物中，初生木质部是唯一的输水组织，但在具有次生生长的成熟植物中，该功能大多由次生木质部行使。

43. The annual rings of plants growing in temperate climates can be seen in crosssection as two consecutive rings of light and dark-colored xylem tissue.

在有显著季节性气候的地区中，不少植物的次生木质部在正常情况下，每年形成一轮（色浅层和色深层）。

44. B. Transport of auxin in the xylem is prevented. This will cause increased auxin concentration in the roots and root growth will be stimulated.

在木质部中,植物生长素的传送中断,造成根部中的植物生长素的增加,而刺激根的生长.

45. In seed plants the protoxylem occurs at the innermost edge of the vascular bundles in stems, but external to the later-formed xylem in roots.

在种子植物中，原生木质部发生在茎的维管束的最内方，但在根中，位于后生木质部的外方。

46. In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.

在老茎中，仅最新的木质部环参与物质的运输。这些木质部环组成边材。

47. More secondary phloem than secondary xylem in carrot Parenchyma predominates in vascular tissues.

在胡萝卜根,薄壁细胞在维管组织中占主导地位,次生韧皮部比次生木质部更发达。

48. In the nature, the trees (are also called xylem) in moisture content using the Tracheal tissue, extracts more moisture contents from the soil, and transmits gives the leaf.

在自然界中，树木利用管状组织(也叫木质部)里的水分，从土壤中抽取更多水分，并传输给树叶。

49. The secondary xylem of tuberous root is well developed,and there is supernumerary cambium around the vessels.

块根的次生木质部发达，导管周围存在额外形成层。

50. Summertime bud grafting can be cut take shoot piece, or take xylem shoot less piece, in stock bine dry place decorticates.

夏季芽接可削取芽片,或少带木质部芽片,在砧木茎干处剥皮。

51. It consists principally of XYLEM and PHLOEM (water and food-conducting tissues respectively), and also contains strengthening tissue (SCLERENCHYMA) and packing tissue (PARENCHYMA).

它主要包括木质部和韧皮部(分别运输水分和养料)，还含有机械组织(厚壁组织)和填充组织(薄壁组织)。

52. The primary cambium is found in the stem and root between the phloem and xylem cells, and by division gives rise to the secondary phloem and xylem in woody dicotyledonous plants.

它纵贯于根，茎等器官的木质部和韧皮部之间，是具有分生能力的组织。通过形成层的分裂可以在木本的双子叶植物中形成次生木质部和次生韧皮部。

53. Kraft pulping and APMP pulping of the xylem of hybridized citron tree were investigated.

对杂交枸树木质部进行了硫酸盐法和APMP制浆性能的试验。

54. The study of the stem's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate.

对盐肤木茎进行木材解剖学研究,发现其导管分子穿孔板为单穿孔板。

55. This paper deals with the morphological and quantitative characters of secondary xylem of Ceriops tagal and Avicennia manna.

对红树科 Rhizophoraceae的角果木（Ceriops tagal）和马鞭草科Verbenaceae的白骨壤（Avicennia marina）次生木质部的组织结构和数量特征进行了研究；

56. The fiber characteristics and chemical pulping properties of the xylem of guangyechu, a fast growing species were studied.

对速生纸材新品种光叶楮木质部的纤维特性以及化学法制浆性能进行了研究。

57. Any of various vascular plants,including seed plants and ferns,having a conducting system of xylem and phloem.

导(维)管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统

58. One of the tubular conductive vessels in the xylem of vascular plants.

导管维管植物的木质部中的管状引导管之一

59. Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem.

导（维）管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统

60. Drought-induced Changes in Xylem pH and ABA Concentration and Their Relationship With Stomata in Maize

干旱胁迫下玉米木质部汁液pH和ABA含量变化及其与气孔关系

61. When iron fertilizer was intensively injected into the trunk, the Fe2＋ transported along the central xylem, most of Fe2＋ transported into roots.

强力高压注射时铁主要沿中央木质部运输，首先充分向下运往根系，向上运输较向下运输少。

62. The sporangium dehisces longitudinally.Centrarch xylem consists of G-type conducting tracheids bearing annular secondary thickenings, between which are irregular simple perforations.

心始式木质部由G-型输水管胞组成, 环纹次生加厚带之间分布不规则的简单穿孔。

63. Vessels in secondary xylem are arranged radially.

成熟根中，导管在次生木质部中呈放射状排列。

64. The xylem pressure probe would be further developed to widen the range of tensions to study and testify cohesion/tension mechanism.

或可试图拓宽木质部压力探针测定的压力范围，进一步研究和验证内聚力-张力学说的理论和机制。

65. Arabidopsis can produceconsiderable amounts of secondary xylem under certain condition, which can mimic theprocess of wood formation.

拟南芥在人工诱导条件下由形成层活动产生相当数量的木质部，在一定程度上可以模拟树木木材形成。

66. Abstract: The vessel elements of secondary xylem in Ficus fistulosa were observed and studied by bio-microscope image analysis system and micrography.

摘 要： 运用细胞图像分析系统及显微照相方法，观察研究水同木次生木质部导管分子。

67. The positive xylem pressure, often occurs with low transpiration rate, is termed as root pressure.

摘要在植物弱蒸腾情况下，木质部的水分处于正压状态，这种压力叫根压。

68. Anatomical structure of vegetative organ of Amphicarpaea edgeworthii Beath was studied and the results indicated that the primary xylem of seed root in Amphicarpaea edgeworthii Beath was tetrarch.

摘要对两型豆的营养器官进行解剖学研究表明，两型豆根的初生木质部为4原型；

69. The harmful effect of injecting chemical into tree on the xylem, bast, periderm and tree body was studied.

摘要本文就树干注入农药，对木质部、韧皮部及周皮和整个树体是否产生不良影响做出评价。

70. The study on the stem secondary xylem of Lonicera maximowiczii, reveals the wood belongs to ring porous wood.

摘要研究紫枝忍冬茎次生木质部结构，其为环孔材。

71. The vessel elements of secondary xylem in Litchi chinensis are observed and studied by bio-microscope image analysis system and micrography.

摘要运用细胞图像分析系统及显微照相的方法，对荔枝次生木质部导管分子进行了观察研究。

72. Video Cytological Image Analysis System and micrography were adopted to examine vessel elements in secondary xylem of Phyllanthus emblica.

摘要运用细胞图象分析系统及显微照相的方法，对余甘子次生木质部导管分子进行观察研究。

73. The vessel elements of secondary xylem in Averrhoa carambola are observed by bio-microscope image analysis system and micrography.

摘要运用细胞图象分析系统和显微照相的方法对阳桃次生木质部导管分子进行了观察研究。

74. A root-like structure lacking conductive tissues (xylem and phloem).

无输导组织(木质部和韧皮部)的根状结构。

75. Actinostele A rype of protostele in which the xylem is star shaped and the phloem lies between the points of the star.

星状中柱：原生中柱的一种类型。木质部是星形的，韧皮部位于星形之间。

76. There are two zones of cambium: the VASCULAR CAMBIUM, which produces secondary xylem and phloem, and the PHELLEM (cork cambium), which produces secondary cortex and cork or bark.

有两种类型的形成层：一种是维管形成层，产生次生木质部和次生韧皮部。另一种是木栓形成层，产生次生皮层，软木或树皮。

77. Progress on Study of Vulnerability of Xylem Embolism in Woody Plants

木本植物木质部栓塞脆弱性研究进展

78. Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium.

木材为树干和树根中坚硬的纤维状物质。

79. The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.

木质位于树皮下的树和灌木的次木质部，主要由纤维质和木质构成

80. Lignified tissues include SCLERENCHYMA and XYLEM.

木质素组织包括厚壁组织和木质部。