LI Yang,MAO Hong-yu,MA Lei,et al.Effect of Application of ABA on Physiological Characteristics of Chrysanthemum Under Drought Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2015,(06):61-64.[doi:DOI:10.11942/j.issn1002-2767.2015.06.0061]
干旱胁迫下外源喷施ABA对地被菊生理特性的影响
- Title:
- Effect of Application of ABA on Physiological Characteristics of Chrysanthemum Under Drought Stress
- 文章编号:
- 1002-2767(2015)06-0061-04
- Keywords:
- Chrysanthemum; ABA; photosynthesis; chlorophyll; soluble sugar; malondialdehyde
- 分类号:
- S682.11
- 文献标志码:
- A
- 摘要:
- 为探讨外源ABA的化学调控作用,研究了干旱胁迫条件下喷施不同浓度外源激素脱落酸(ABA)对地被菊幼苗生理特性的影响。结果表明:喷施ABA后,地被菊幼苗蒸腾速率(Tr)、气孔导度(Gs)明显下降。外源ABA延缓了叶片相对含水量和叶绿素含量的下降,提高丙二醛和可溶性糖等渗透调节物质的水平,提高了植物的抗旱能力。浓度为100 mg?L-1ABA的处理效果最佳。
- Abstract:
- In order to explore the chemical control effect of exogenous ABA,the effect of different concentrations of exogenous ABA on physiological property of Chrysanthemum seedling under drought stress was analyzed.The results showed that after spraying exogenous ABA,transpiration rate and stomatal conductance decreased,exogenous ABA slowed the decline of leaf relative water content and chlorophyll content,increased the content of osmotic regulation substances,such as MDA and soluble sugar,and improved the resistance to drought.100 mg-L-1?exogenous ABA performed the best.
参考文献/References:
[1]孔德政,于红芳.干旱胁迫对不同品种菊花叶片光合生理特性的影响[J].西北农林科技大学学报:自然科学版,2010,38(11):103-108.
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备注/Memo
收稿日期:2014-11-19