高氮磷胁迫下菖蒲(Acorus calamus Linn.)通气组织和根系释氧的响应
Response between aerenchyma and radial oxygen loss of Acorus calamus Linn.under high nitrogen and phosphorus stress
查看参考文献30篇
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文摘
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以湿地植物菖蒲为研究对象,在水培条件下观察3个浓度梯度的氮磷污水(处理组1、2、3依次为N:40 mg/L、P:4 mg/L;N:80 mg/L、P:8 mg/L;N:120 mg/L、P:12 mg/L)对其胁迫后的根系释氧和通气组织的变化规律,研究发现高氮磷胁迫明显抑制菖蒲株高和根系长度的生长,减少植物根系数量;高氮磷胁迫还可以增加植物根系释氧量和促进根系通气组织形成,由于根系长度和数量的减少,处理组的根系释氧总量不及对照组;高氮磷胁迫不改变菖蒲根系释氧趋势,根尖最大,离根尖越远释氧越小。研究还发现,根尖释氧量大小和通气组织呈正相关,根基和根中部释氧量与通气组织关系不显著,说明植物通气组织的形式更有利于根尖释氧. |
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其他语种文摘
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Acorus calamus Linn.has been selected as the experimental plant,and the variation of its aerenchyma and the quantity of its radial oxygen loss(ROL) under the stress of three different concentrations of nitrogen and phosphorus effluent(Group 1: N 40mg/L,P 4mg/L;Group 2: N 80mg/L,P 8mg/L;Group 3: N 120mg/L,P 12mg/L) in the water culture has been investigated.The results show that the stress of high concentrations of nitrogen and phosphorus significantly inhibited the growth of root length and plant height of Acorus calamus Linn.and reduced the number of plant roots;it could also increase the quantity of ROL and promote the formation of aerenchyma.The gross quantity of ROL in the stress group was less than that in the control group due to the decrease of root length and quantity.The ROL trend has not changed by the stress of high concentrations of nitrogen and phosphorus,and the further distance away from the roots,the smaller quantity of the ROL.This research also found that the amount of the root tip’s ROL showed positive correlation with aerenchyma while the amount of ROL of basal zone and mature zone showed insignificant correlation with the aerenchyma. |
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来源
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湖泊科学
,2012,24(1):83-88 【核心库】
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DOI
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10.18307/2012.0111
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关键词
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菖蒲
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根系释氧
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通气组织
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氮磷胁迫
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水生植物
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地址
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中国科学院水生生物研究所, 淡水生态和生物技术国家重点实验室, 武汉, 430072
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1003-5427 |
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学科
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植物学 |
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基金
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国家自然科学基金项目
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湖北省自然科学基金杰出青年人才项目
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国家重大科技专项
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文献收藏号
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CSCD:4422161
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参考文献 共
30
共2页
|
|
1.
Asikala S. Effects of water level fluctuation on radial oxygen loss, root porosity, and nitrogen removal in subsurface vertical flow wetland mesocosms.
Ecological Engineering,2009,35(3):410-417
|
被引
17
次
|
|
|
|
|
2.
崔克辉. 模拟N、P污水对水稻幼苗过氧化物酶和超氧化物歧化酶的影响.
环境科学学报,1995,5(4):447-453
|
被引
11
次
|
|
|
|
|
3.
贺锋. 复合垂直流人工湿地污水处理系统硝化与反硝化作用.
环境科学,2005,26(1):47-50
|
被引
64
次
|
|
|
|
|
4.
Brix H. Functions of macrophytes in constructed wetlands.
Water Science and Technology,1994,29:71-78
|
被引
83
次
|
|
|
|
|
5.
成水平. 水生植物的气体交换与输导代谢.
水生生物学报,2003,4:413-417
|
被引
30
次
|
|
|
|
|
6.
吴振斌.
复合垂直流人工湿地,2008:1-12
|
被引
2
次
|
|
|
|
|
7.
吴振斌. 极谱法测定无氧介质中根系氧气输导.
植物生理学报,2000,26(3):177-180
|
被引
13
次
|
|
|
|
|
8.
邓泓. 湿地植物根系泌氧的特征.
华东师范大学学报:自然科学版,2007,6:69-76
|
被引
6
次
|
|
|
|
|
9.
Armstrong J. Phragmites australisA preliminary study of soil-oxidizing sites and internal gas transport pathways.
New Phytologist,1988,08(4):373-382
|
被引
9
次
|
|
|
|
|
10.
Connell E L. Radial oxygen loss from intact roots of Halophila ovalis as a function of distance behind the root tip and shoot illumination.
Aquatic Botany,1999,63(3/4):219-228
|
被引
15
次
|
|
|
|
|
11.
Waters I. Diurnal changes in radial oxygen loss and ethanol-metabolism in roots of submerged and non-submerged rice seedlings.
New Phytologist,1989,13(4):439-451
|
被引
5
次
|
|
|
|
|
12.
Inoue T M. Interspecific differences in radial oxygen loss from the roots of three Typha species.
Limnology,2008,9(3):207-211
|
被引
8
次
|
|
|
|
|
13.
Engelaar W. Root porosities and radial oxygen losses of rumex and plantago species as influenced by soil pore diameter and soil aeration.
New Phytologist,1993,25(3):565-574
|
被引
1
次
|
|
|
|
|
14.
Laskov C. Environmental factors regulating the radial oxygen loss from roots of Myriophyllum spicatum and Potamogeton crispus.
Aquatic Botany,2006,84(4):333-340
|
被引
28
次
|
|
|
|
|
15.
Malik A I. Tolerance of Hordeum marinum accessions to O2 deficiency, salinity and these stresses combined.
Annals of Botany,2009,03(2):237-248
|
被引
2
次
|
|
|
|
|
16.
吴灵琼. Cd~(2+)和Cu~(2+)对美人蕉的氧化胁迫及抗性机理研究.
农业环境科学学报,2007,26(4):1365-1369
|
被引
16
次
|
|
|
|
|
17.
Liu Y. Mixed heavy metals tolerance and radial oxygen loss in mangrove seedlings.
Marine Pollution Bulletin,2009,58(12):1843-1849
|
被引
15
次
|
|
|
|
|
18.
Mei X Q. The relationship of root porosity and radial oxygen loss on arsenic tolerance and uptake in rice grains and straw.
Environmental,2009,57(8/9):2550-2557
|
被引
1
次
|
|
|
|
|
19.
Deng H. Lead, zinc and iron(Fe2+) tolerances in wetland plants and relation to root anatomy and spatial pattern of ROL.
Environmental and Experimental Botany,2009,65(2/3):353-362
|
被引
10
次
|
|
|
|
|
20.
Li H. Root porosity and radial oxygen loss related to arsenic tolerance and uptake in wetland plants.
Environmental Pollution,2011,59:30-37
|
被引
17
次
|
|
|
|
|
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