| 重金属镉、铅胁迫对不同品种茭白生长的影响 |
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| 引用本文： | 黄凯丰,杨凯,江解增.重金属镉、铅胁迫对不同品种茭白生长的影响[J].长江蔬菜,2009(12). |
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| 作者姓名： | 黄凯丰 杨凯 江解增 |
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| 作者单位： | 1. 扬州大学水生蔬菜研究室,江苏扬州,225009;贵州师范大学生命科学学院植物遗传育种研究所
2. 扬州大学水生蔬菜研究室,江苏扬州,225009 |
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| 基金项目： | 国土资源部与江苏省政府合作项目[(2003)019-01];江苏省农业三项工程项目 |
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| 摘 要： | 以茭白的单季茭品种蒋墅茭和双季茭品种葑红早为试材,在苇末基质和土壤2种栽培方式下添加不同浓度的Cd2+,Pb2+胁迫处理,测定了茭白生长过程中株高、叶面积、分蘖等形态指标的变化.研究结果表明,低浓度Cd2+,Pb2+胁迫能促进两茭白品种株高、叶面积的增加,但均随Cd2+,Pb2+处理浓度的进一步增加而下降;茭白的分蘖数表现为随Cd2+,Pb2+处理浓度的增加而呈持续下降的变化趋势.不同栽培介质间以苇末基质栽培处理时茭白的株高、叶面积、分蘖数同比高于土壤栽培.品种间以葑红早的株高、叶面积同比高于蒋墅茭,而分蘖数则低于蒋墅茭.
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| 关 键 词： | 茭白 镉 铅 生长 栽培介质 |
Effect of Cadmium and Lead on the Growth of Different Cultivars of Zizania latifolia |
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| HUANG Kaifeng,YANG Kai,JIANG Jiezeng.Effect of Cadmium and Lead on the Growth of Different Cultivars of Zizania latifolia[J].Journal of Changjiang Vegetables,2009(12). |
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| Authors: | HUANG Kaifeng YANG Kai JIANG Jiezeng |
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| Institution: | 1.Institute of Aquatic Vegetable Research;Yangzhou University;Yangzhou;Jiangsu 225009;2.Institute of Plant Genetics and Breeding;School of Life Sciences;Guizhou Normal University |
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| Abstract: | Changes of plant height,leaf area and tiller number of Zizania latifolia were studied with single-harvested cultivar Jiangshujiao and double-harvested cultivar Fenghongzao which cultured in reed residue substrate and in soil treated with different Cd2+ and Pb2+ concentrations.The results showed that,the plant height and leaf area increased under lower concentration of Cd2+ and Pb2+,but significantly decreased under higher concentration of Cd2+ and Pb2+,while tiller number descended with increased concentrat... |
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| Keywords: | Zizania latifolia Cadmium Lead Growth Cultivation substrate |
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