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Position: Home > Articles > Preliminary Observation on Secretory Structure of Tube Seedlings of Artemisia selengensis Journal of Anhui Agricultural Sciences 2009,37 (2) 210-212

藜蒿试管苗分泌结构的初步观察

作  者：
黄白红;向国红;乔乃妮;陈益元;周朴华
单  位：
常德职业技术学院;湖南农业大学生命科学院
关键词：
藜蒿;试管苗;分泌结构
摘  要：
[目的]研究藜蒿试管苗的分泌结构。[方法]以离体培养的藜蒿试管苗及移栽的试管苗花序为材料,采用常规的石蜡制片法制片,在显微镜下观察试管苗的分泌结构。[结果]藜蒿试管苗表皮上有腺毛分布,根状茎的皮层薄壁细胞和髓部薄壁细胞比试管苗地上茎的体积大,壁薄,胞间隙发达。藜蒿地上茎和地下茎均具分泌囊,并分布在皮层。藜蒿的分泌囊属于裂生式分泌囊。藜蒿试管苗嫩枝、幼叶和花序上分布着分泌腺。一种为腺毛状分泌腺,一般由10个细胞构成,2个基细胞,2个柄细胞,6个腺毛状细胞,排成2列,成熟时为扇形囊状;另一种为非腺毛状,由管状腺细胞构成。[结论]该研究为大规模培养藜蒿生产天然产物提供了依据。
译  名：
Preliminary Observation on Secretory Structure of Tube Seedlings of Artemisia selengensis
作  者：
HUANG Bai-hong et al(Changde Vocational Technical College,Changde,Hunan 415000)
关键词：
Artemisia selengensis;Tube seedling;Secretory structure
摘  要：
[Objective] The aim was to study the secretory structure of the tube seedlings of Artemisia selengensis.[Method] With the tube seedlings of A.selengensis cultured in vitro and the transplanted tube seedling anthotaxy as materials,the slice production was made by the paraffin sectioning method and the secretory structure of the tube seedlings was observed under the microscope.[Result] There were tentacles distributed on the cuticle of the tube seedlings of A.selengensis.Compared with the aerial stem of the tube seedlings,the volume of cortex parenchyma cell and marrow parenchyma cell from the rhizome was large,its cell wall was thin and intercellular space was developed.The aerial stem and the underground stem of A.selengensis all had secretory cavity which was distributed on the cortex.The secretory cavity of A.selengensis belonged to schizogenous secretory cavity.The secretory was distributed on the tender branches,young leaves and anthotaxy.One was tentacle-like secretory,which was composed of 10 cells,including 2 basal cells,2 stalk cells and 6 tentacle-like cells.These cells arranged as 2 lines and showed cystic sector when matured.The other one was non-tentacle-like secretory,which was composed of tubular gland cells.[Conclusion] The research provided the basis for the production of natural products by large scale culturing A.selengensis.

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