XU Hua,CHEN Tian-tian,ZHU Min-jie,et al.Effect of Wedelia trilobata L.Invasion on Several Physiological Characteristics of Three Weeds[J].Northern Horticulture,2014,38(07):72-75.
三裂叶蟛蜞菊入侵对三种杂草若干生理特性的影响
- Title:
- Effect of Wedelia trilobata L.Invasion on Several Physiological Characteristics of Three Weeds
- 文章编号:
- 1001-0009(2014)07-0072-04
- Keywords:
- Wedelia trilobata L.; activities of protective enzymes; osmotic adjustment substances; chlorophyll
- 分类号:
- Q 945.79
- 文献标志码:
- A
- 摘要:
- 以白花鬼针草、芒萁和鸭跖草为试材,研究了三裂叶蟛蜞菊入侵对这3种杂草保护酶活性、渗透调节物质含量以及叶绿素含量的影响。结果表明:在三裂叶蟛蜞菊入侵胁迫下,白花鬼针草、芒萁和鸭跖草叶片过氧化物酶(POD)活性、过氧化氢酶(CAT)活性和超氧化物歧化酶(SOD)活性以及可溶性蛋白质、可溶性糖和叶绿素含量都有不同程度的升高;3种杂草SOD活性、可溶性糖含量和叶绿素含量显著升高;3种杂草通过调节保护酶活性、渗透调节物质含量以及光合色素含量对三裂叶蟛蜞菊的入侵胁迫产生适应性反应。
- Abstract:
- Taking Bidens alba L.,Dicranopteris dichotoma L. and Commelina communis L.as materials,effect of Wedelia trilobata L.invasion on protective enzymes,content of osmotic adjustment substances and chlorophyll content of three weeds were studied.The results showed that under invasion stress of Wedelia trilobata L.,activities of peroxidase (POD),catalase (CAT) and superoxide dismutase (SOD) as well as content of soluble protein,soluble sugar and chlorophyll in leaves of Bidens alba L.,Dicranopteris dichotoma L. and Commelina communis L.increased at different degree.Specially,SOD activities,soluble sugar content and chlorophyll content increased significantly.Three weeds made adaptive reaction to invasion of Wedelia trilobata L.through adjusting activities of protective enzymes,content of osmotic adjustment substances and photosynthetic pigment.
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备注/Memo
第一作者简介:许华(1981-),男,湖北仙桃人,硕士,副教授,研究方向为植物生理生态学。E-mail:xuhua04@mail.nankai.edu.cn.