在经过生长期的表皮茎上，施用茉莉酸能够促进各个伸长单位茎中次生乳管的分化。
In the epicormic shoot stem which passed a growth season, the secondary laticifer differentiation of all the extension parts was accelerated by JA application.
包括根或茎的维管组织及相关薄壁组织，若有维管束鞘和内皮包被则这二者也属于中柱结构。
Stele the vascular tissue and associated parenchyma tissue and (if present) the surrounding pericycle and endodermis of a stem or root.
维管形成层向两侧延伸直至形成一个茎内的分生组织环，各个维管束被束间形成层联系在一起。
The vascular cambium extends to form a complete ring of meristematic tissue around the stem, the separate vascular bundles being linked by interfascicular cambium.
施用茉莉酸对正在伸长的茎中初生乳管分化有明显促进作用，但不能诱导形成次生乳管。
When applied to an extending stem, JA led to a significant increase in primary laticifer number, but induced no differentiation of secondary laticifers.
茎中维管组织的排列方式多种多样，由此产生多种类型的中柱。
The arrangement of vascular tissue ( the vascular system ) in the stem is very varied , giving a number of different types of stele.
本文还就穗-茎维管系统的形成过程对小穗小花分化、结实的可能影响作了讨论。
The effect of the formation process of the ear-stem vascular system on the differentiation and development of the spikelets, florets and seed set was also discussed.
PAL活力与刺槐胚轴或幼茎的维管系统即导管分子的数量和木质化程度增长趋势相一致。
And the activity of PAL coincided with the increasing tendency of the Numbers of vessel element in the plumular axis or juvenile stem of robinia and its degree of lignification as well.
对我国1987年定植保存于大田的81份1981’IRRDB种质进行了茎围、产胶量、乳管数目鉴定和抗风性调查。
The girth, latex yield, laticifer number and wind tolerance of 1981 IRRDB rubber tree germplasm planted in 1987 were observed.
单茎鞘重与大维管数、维管总面积相关显著，与韧皮部总面积相关极显著。
The weight of a single sheath is correlated with the number of large vascular bundle and the area of vascular bundles, is correlated significantly with the area of phloem for vascular bundles.
这种通过打谷子或谷类植物的茎壳以使各粒与茎管分开的作业曾一度是用牛或人的脚来做的。
This process of beating the stems and husks of grain or cereal plants to separate the grain or seeds from the straw was at one time done with the feet of oxen or human beings.
结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；
Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.
结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；
Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.
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