YAO Ling-bai,HAN Hai-xia,CAO Xing-ming.Effect of Different Concentration of Strong Rooting Power on Rooting and Physiology and Antioxidant Enzyme Activities During Rooting of Pelargonium zonale Aif.[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(07):59-63.[doi:10.11942/j.issn1002-2767.2016.07.0059]
不同浓度强力生根粉对天竺葵扦插生根及抗氧化酶活性的影响
- Title:
- Effect of Different Concentration of Strong Rooting Power on Rooting and Physiology and Antioxidant Enzyme Activities During Rooting of Pelargonium zonale Aif.
- 文章编号:
- 1002-2767(2016)07-0059-05
- Keywords:
- cuttings; rooting; survival rate; antioxidase; Pelargonium zonale Aif.
- 分类号:
- S682.1+9
- 文献标志码:
- A
- 摘要:
- 为了探讨强力生根粉对天竺葵扦插育苗的影响,选马蹄纹天竺葵为试验材料,采用浸泡法处理,研究了1~4 g·L-1强力生根粉对不同部位天竺葵生根、生长和3种抗氧化酶活性的影响。结果表明:2~3 g·L-1强力生根粉对天竺葵顶段和中段扦插苗的生根量、最大根长、株高和成活率均具有显著改善作用;随强力生根粉浓度的升高,天竺葵顶段和中段苗内3种抗氧化酶活性呈相似的变化规律,其中POD活性较对照的升高幅度最大,在1~4 g·L-1均呈先升后降趋势;而PPO活性呈升降升的波动趋势;在1~4 g·L-1范围内PPO和POD活性有相反的变化趋势;而SOD活性变化幅度较小,分别在2 g·L-1处(顶段、中段)和3 g·L-1处(顶段)较对照有显著升高。表明,适当浓度的强力生根粉可以提高天竺葵扦插苗的生长指标和成活率,并可激发POD为主,PPO和SOD为辅的抗氧化酶系统,从而提高天竺葵扦插苗成活率和品质。
- Abstract:
- In order to study the effects of strong rooting power on cuttings propagation of Pelargonium zonale Aif.,applied a soaking method by Pelargonium zonale Aif.cuttings.The effects of strong rooting power between 1 and 4 g?L-1 by measuring the rooting,growth and the activities of three kinds of antioxidase were studied.The results showed that firstly,the rooting,the max root length,height,and survival rate of Pelargonium zonale Aif.top and middle cuttings all were significantly promoted in the concentration of 2~3 g·L-1.Secondly,with the increasing of strong rooting power’s concentration,the activities of three kinds of antioxidase showed similar variation in top and middle cuttings.Among them,the POD activities were higher than that of the control,and the activities were first increased and then decreased in the range of 1~4 g·L-1; While the PPO activities showed a fluctuating trend; PPO and POD activities had the opposite change trend in the range of 1 ~ 4 g·L-1; And the same time,the SOD activities change was smaller,respectively,at 2 g·L-1 (top and middle) and 3 g·L-1 (top) was significantly higher than the control.Conclusion,appropriate concentration of strong rooting powder could improve the growth indexes and survival rate of Pelargonium zonale Aif.cuttings,and could stimulate the antioxidant system based on POD and assisted by PPO and SOD.So as to improve the cuttings survival rate and quality of Pelargonium zonale Aif..
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备注/Memo
收稿日期:2016-05-30