| 土壤镉污染对大蒜生理生化指标的影响 |
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| 引用本文： | 钱翌,杨立杰.土壤镉污染对大蒜生理生化指标的影响[J].农业科学与技术,2009,10(3):7-10. |
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| 作者姓名： | 钱翌 杨立杰 |
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| 作者单位： | 青岛科技大学环境与安全工程学院,山东青岛,266042 |
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| 摘 要： | 1材料与方法1．1材料供试蒜种为山东省农科院培育的鲁蒜王（VF684）1号，选取籽粒饱满、大小均匀、健壮无损伤的蒜瓣为试材。供试土壤为青岛市郊农田0-20cm表层土壤。该土壤远离公路和居民区，属于该地特有的砂质壤土，土壤污染较轻，其pH值6．56，有机质含量25．35g/kg，速效磷、速效钾、碱解氮含量分别为91．56、24．20、42．10mg／kg，重金属全镉、全铅含量分别为0.21、45．83mg／kg。采集土壤风干后过3mm尼龙筛，备用。
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| 关 键 词： | 土壤 镉污染 大蒜 生理生化指标 |
Effects of Cadmium Pollution in Soil on Physiological and Biochemical Index of Allium sativum L. |
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| QIAN Yi,YANG Li-jie.Effects of Cadmium Pollution in Soil on Physiological and Biochemical Index of Allium sativum L.[J].Agricultural Science ＆ Technology,2009,10(3):7-10. |
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| Authors: | QIAN Yi YANG Li-jie |
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| Institution: | (School of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042) |
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| Abstract: | Objective] The experiment aimed to study the effects of cadmium pollution in soil on physiological and biochemical index of Allium sativum L. and provided reference for the recovery of cadmium pollution in soil. Method]By setting eleven Cd concentrations from 0.21 to 500 mg/kg in soil and the pot test, ecological corresponding mechanism of plant height, chlorophyll (Chl) content, catalase (CAT) activity and malondialdehyde (MDA) of Allium sativum L. was analyzed. Result] The plant height had a strong tolerance to cadmium pollution in soil, while the total chlorophyll content and chlorophyll a content had no significant difference compared with control treatment, except Cd concentration was 500 mg/kg. The high Cd concentration would increase the damage to membrane of Allium sativum L. however with the regulation of physiological mechanism, the damage was gradually decreased.Conclusion] Allium sativum L. had strong eco-physiological adaptability to Cd contaminated soil and it had potential for recovering Cd contaminated soil. |
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| Keywords: | Cadmium(Cd) Plant height Chlorophyll Catalase Malondialdehyde Allium sativum L |
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