Stylets of the aphids on the stems could reach the phloem with less probes and shorter time compared to those of aphids on other two parts. 相对于其它两个部位,甘蓝蚜的口针在花茎上用较少的刺探次数和较短的时间到达韧皮部;
Phloem elements and adjacent tissues are the principal feeding sites for most aphids. 韧皮部及其邻近组织是大多数蚜虫的主要取食部位。
Cytological Pathway of Sugar Unloading within Phloem in Jujube Fruit 同化物在枣果实韧皮部卸载的细胞学路径
The aim of this research is to extract and utilize secretion of phloem of Tilia mongolica that use them to increase the zoophobous ability and phylactic power of non-resistant tree species. 研究椴树韧皮分泌物其目的则是提取、利用该物质用于非抗树种提高抗虫性和免疫力。
The results of electronic monitoring showed that duration of salivation and X-waveform of the two colonies on their corresponding hosts was short while the duration of phloem ingestion was long. 结果表明这两个种群在其相应的寄主品种上分泌唾液和X波持续时间较短,而取食韧皮部的时间较长。
The results showed that the root transactions had significant differences in periderm, phloem, and xylem between cultivated and wild Salvia miltiorrhiza. 结果表明,在解剖横切面上,栽培与野生丹参根的周皮、韧皮部、木质部具有显著差异。
Endomitosis occurs regularly in certain tissues, such as the phloem cells of some leguminous plants. 核内有丝分裂通常发生在特定组织中,如一些豆科植物的韧皮部细胞。
Some segments of hypha, swelled hypha, pelotons and conidiophore were in colonies in cork and secondary phloem. 在美登木木栓层和次生韧皮部中分布有菌丝片段、膨大的菌丝、菌丝团及分生孢子;
Extraction and Analysis of Secondary Metabolites in Poplar Phloem 杨树韧皮部次生代谢产物的提取与分析
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。
The vascular cambium is located between the xylem and the phloem. 维管形成层位于木韧之间。
Both xylem and phloem form a continuous branched system in the whole plant body. 木质部和韧皮部在植物体内构成一个连续的分支系统。
Granular form of vegetative storage proteins was observed in the large central vacuoles of the secondary phloem parenchyma cells and secondary phloem ray parenchyma cells in the samples fixed in 4% glutaraldehyde. 在用戊二醛固定的标本中,营养贮藏蛋白质呈颗粒状,积累在中央大液泡里。
The results also indicated that omethoate was transported to the xylem along with sap flows went upward and then transferred to the phloem as taking a pest-controlled effect. 检测还表明:氧化乐果由木质部随树液向上输导后再转移到韧皮部而起杀虫作用。
Bicollateral bundle The arrangement of tissues in the vascular bundles in which the phloem is situated on both sides of the xylem. 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。
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。
The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem. 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。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。
A plant tissue characteristic of the roots, located between the endodermis and phloem. people at the grassroots level 中柱膜位于内皮层和韧皮层之间的根系的植物组织
Studies on Architecture and Physics and Chemistry Performance of Cotton Stalk Phloem Fiber and Their Interrelation 棉秆韧皮纤维形态结构、理化性能及其相互关系研究
Intrafascicular cambium ( fascicular cambium) The part of the VASCULAR CAMBIUM within the vascular between the xylem and phloem. 束中形成层:是位于木质部和韧皮部构成的维管束内的一部分维管形成层。
Vascular plants Plants containing differentiated cells forming conducting tissue ( vascular tissue, also known as fascicular tissue), which comprises the xylem and phloem. 维管植物:具有能够形成体内运输组织(维管组织:包括木质部和韧皮部)的分化细胞的植物。
Ultra-Structural Changes of the Vascular Bundles and CaM Immuno-Gold Localization at Phloem Cells among Different Positional Rachillae within a Rice Panicle millet having yellow grains in large drooping spikes. 水稻不同粒位小穗轴的超微结构差异及其CaM活性的细胞化在下垂的大穗里结有黄色谷粒的粟。
A reduction in the number of xylem and phloem poles in the central vascular cylinder in dl2 roots was observed and the diameter of cortical cell is also reduced. 突变体根中心维管束中木质部和韧皮部的数目减少,另外皮层细胞的直径也减小。
Any of various plants, such as the ferns and seed-bearing plants, in which the phloem transports sugar and the xylem transports water and salts. 各种植物,如厥类植物和含种子的植物,在此植物中韧皮部输送糖分而木质输送水分和盐分。
Immuno-localization of the CI protein of Sugarcane mosaic virus in the phloem cells of maize 甘蔗花叶病毒CI蛋白在玉米韧皮部细胞中的免疫定位
Strong woody fibers obtained especially from the phloem of from various plants. 尤指来自植物韧皮的坚韧的木质纤维。
Endophytic fungi existed in the local cells of cork and secondary phloem in the root. 内生真菌只在一定区域的皮层和次生韧皮部细胞中分布。
Histocytological observations on explants indicated that the callus was induced from cells of cortex, phloem and peripheral zone of vascular bundle. 细胞组织学研究表明,由外植体皮层细胞、韧皮部细胞及维管束周围细胞均可脱分化启动产生愈伤组织。
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。