TANG Lihong,ZHAO Xuemei,CHAI Yuan,et al.Study on the Relationship Between Stem Structure and Cold Resistance of Different Varieties of Paeonia rockii[J].Northern Horticulture,2016,40(12):62-64.[doi:10.11937/bfyy.201612017]
不同品种紫斑牡丹茎结构与抗寒性关系研究
- Title:
- Study on the Relationship Between Stem Structure and Cold Resistance of Different Varieties of Paeonia rockii
- Keywords:
- Paeonia rockii; cold resistance; stem anatomical structure
- 文献标志码:
- A
- 摘要:
- 在前期引种驯化栽培与适应性观察、生理生化、叶片解剖结构的研究基础上，以“紫冠玉珠”“青春”“紫楼闪金”“雪里藏金”“玉瓣绣球”“实生苗”6个品种紫斑牡丹为试材，比较分析了不同品种间茎的表皮、角质层、表皮细胞外壁、厚角组织、皮层、木质部、韧皮部、导管直径、髓半径、茎半径的差异，探究紫斑牡丹茎结构与抗寒性的关系。结果表明：不同品种紫斑牡丹茎厚角组织、角质层、皮层厚度与抗寒性无关联；表皮细胞外壁厚度、导管直径和茎半径与抗寒性无明显关联；表皮细胞厚度、木质部厚度、韧皮部厚度及髓半径与抗寒性呈正相关联，可作为引种栽培的参考指标。
- Abstract:
- Based on the studies of previous introduced domestication cultivation and adaptability observation,physiology and biochemistry,leaf anatomical structures,6 varieties of Paeonia rockii stems were taken as test materials,which were ‘Purple Hat Jade Bead’,‘Youth’,‘Purple Flash Gold’,‘Gold Hidden in the snow’,‘Jade Petals Hydrangea’,‘Seedling’.The epidermis,stratum corneum,wall of epidermal cells,collenchyma,endodermis,xylem,phloem,pipe diameter,marrow radius,stem radius of these Paeonia rockii stems were observed,compared and analyzed for the purpose of exploring the relationship between the Paeonia rockii stem structure and cold resistance.The results showed that the collenchyma,stratum corneum,endodermis thickness were not associated with the cold resistance;there was no significant correlation between the wall thickness of epidermal cells,pipe diameter,stem radius and the cold resistance;there was positive correlation among the epidermis cells thickness,xylem thickness,phloem thickness,marrow radius and the cold resistance,and these factors could be set as references indicators for the introduced cultivation.
参考文献/References:
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备注/Memo
第一作者简介：唐立红（1961-），女，内蒙古赤峰人，本科，教授，现主要从事植物形态与解剖学等研究工作。E-mail：tlh897@aliyun.com.