XU Ting,ZHOU Chuan-yu,ZHOU Chao,et al.Effect of Trehalose on Antioxidant System of Melon Seedling Under Salt Stress[J].Northern Horticulture,2014,38(19):28-30.
海藻糖对盐胁迫下薄皮甜瓜幼苗抗氧化系统的影响
- Title:
- Effect of Trehalose on Antioxidant System of Melon Seedling Under Salt Stress
- 文章编号:
- 1001-0009(2014)19-0028-03
- Keywords:
- melon; trehalose; NaCl stress; antioxidant system
- 分类号:
- S 652
- 文献标志码:
- A
- 摘要:
- 以薄皮甜瓜“齐甜一号”品种为试材，采用盆栽试验法，研究了叶面喷施不同浓度海藻糖对NaCl胁迫下薄皮甜瓜幼苗抗氧化系统的影响，为进一步探究海藻糖对NaCl胁迫下薄皮甜瓜耐盐性的影响提供参考。结果表明：0.4% NaCl胁迫下，当海藻糖浓度为0.4%时，显著降低了薄皮甜瓜O?[TX-*4]2产生速率、质膜相对透性及MDA含量；显著增加了薄皮甜瓜SOD活性和POD活性；说明0.4%浓度海藻糖可有效提高薄皮甜瓜抗氧化系统的能力，有效缓解盐胁迫对甜瓜的伤害。
- Abstract:
- Taking melon variety ‘Qitian No.1’ as material,using pot experment,the effect of trehalose foliar spraying treatment on antioxidant system of melon was studied,in order to understand the effect of trehalose on salt tolerance of melon.The results showed that when NaCl stress was 0.4% and trehalose concentration was 0.4%,it significantly reduced melon O?[TX-*4]2 production rate,cell membrane permeability and MDA,significantly increased activities of SOD and POD.It showed 4% concentration of trehalose could effectively improve the ability of melon antioxidant system,and could effectively alleviate melon salt stress on the injury.
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备注/Memo
第一作者简介：徐婷（1983-），女，黑龙江齐齐哈尔人，硕士，助理研究员，现主要从事薄皮甜瓜栽培与育种等研究工作。
收稿日期：2014-04-17