GUO Hong,WANG You-guo,LI Zhi-lin.Effect of Drought Stress on Physiological Characteristics of Cymbidium lowianum of Various Media and Analysis on Drought-resistance[J].Northern Horticulture,2012,36(01):79-83.
干旱胁迫对不同栽培基质下碧玉兰的生理反应及抗性分析
- Title:
- Effect of Drought Stress on Physiological Characteristics of Cymbidium lowianum of Various Media and Analysis on Drought-resistance
- 文章编号:
- 1001-0009（2012）01-0079-05
- Keywords:
- Cymbidium lowianum; media formula; drought-resistance
- 分类号:
- S 682.31
- 文献标志码:
- A
- 摘要:
- 盆栽条件下，通过人工控制水分,研究以桤树皮、泥炭、椰丝、梨树皮不同混合栽培基质下碧玉兰对干旱胁迫的生理响应，并用隶属函数法对其进行抗旱性的综合评价。结果表明：碧玉兰叶片的相对电导率含量随着含水量的降低而增加，丙二醛和游离脯氨酸以及抗氧化酶活性则表现为先增后降。各种指标变化幅度随不同栽培基质而不同。不同栽培基质下碧玉兰的抗旱能力依次为：M6、M5栽培下的碧玉兰的抗旱性最强，而在M1、M4栽培下的碧玉兰的抗旱性较差。
- Abstract:
- The drought-resistance of Cymbidium lowianum of various media was studied under the conditions of artificial drought stress through measuring morphological indexes and physiological indexes related to drought resistance, and then valued integratively with subordinate function. The results showed that the relative elective conductivity would increase when soil relative water content descended. Malondialdehyde content,proline content and antioxidant activities would increase firstly and then descend in the same condition. By subordinate function analysis, M6 and M5 had higher drought resistance, the resistance of M1 and M4 was the lowest.
参考文献/References:
[1]曹受金.碧玉兰的组培快繁技术研究[J].安徽农业科学,2006,34(21):5519-5520.
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备注/Memo
第一作者简介：郭红（1985-），女，山东济南人，在读硕士，研究方向为园林植物与观赏园艺。E-mail：guohongbm@163.com。