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| 低铅污染条件下不同类型水稻品种对铅的响应 | |
| 引用本文： | 陈志德,仲维功,杨杰,王才林,王军,张永春,周益军.低铅污染条件下不同类型水稻品种对铅的响应[J].江苏农业学报,2007,23(4):261-266. |
| 作者姓名： | 陈志德 仲维功 杨杰 王才林 王军 张永春 周益军 |
| 作者单位： | 1. 江苏省农业科学院粮食作物研究所,江苏,南京,210014 2. 江苏省农业科学院农业资源与环境研究所,江苏,南京,210014 3. 江苏省农业科学院植物保护研究所,江苏,南京,210014 |
| 基金项目： | 农业部农业结构调整技术研究专项基金 , 国家粮食丰产科技工程项目 |
| 摘 要： | 以35个水稻品种为材料,采用人工污染的方法,研究了不同类型品种对被污染土壤中铅(Pb)的吸收特性及Pb在不同器官的积累.结果表明:在低Pb污染处理(土壤中Pb浓度为149.1 mg/kg)下,不同类型水稻品种、不同器官中Pb的积累量有明显差异,稻谷和精米中均以常规籼稻的积累量最多,常规粳稻积累量最少,杂交稻介于两者之间.低Pb污染和对照条件下,土壤中的Pb较多地在茎叶中积累,而由茎叶向稻谷或精米中运输的比例很低.土壤受低浓度Pb污染时,水稻籽粒中Pb的积累量并未显著高于对照.筛选结果显示,南粳41、南粳40精米中Pb含量达到绿色食品标准;华粳3号等5个品种达到无公害大米标准. |
| 关 键 词： | 水稻 铅污染 吸收 铅污染 条件 类型 水稻品种 响应 Pb Pollution 大米标准 无公害 华粳 食品标准 绿色 含量 南粳 显示 筛选 水稻籽粒 比例 运输 茎叶 杂交稻 |
| 文章编号： | 1000-4440（2007）04-0261-06 |
| 修稿时间： | 2006-12-01 |
Responses of Rice Cultivars to Low-level Pb Pollution |
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| CHEN Zhi-de,ZHONG Wei-gong,YANG Jie,WANG Cai-lin,WANG Jun,ZHANG Yong-chun,ZHOU Yi-jun.Responses of Rice Cultivars to Low-level Pb Pollution[J].Jiangsu Journal of Agricultural Sciences,2007,23(4):261-266. | |
| Authors: | CHEN Zhi-de ZHONG Wei-gong YANG Jie WANG Cai-lin WANG Jun ZHANG Yong-chun ZHOU Yi-jun |
| Institution: | 1. Institute of Food Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China ; 2. Institute of Agricultural Resources and Environment, Jiangsu Academy of Agricultural Sciences, Nanfing 210014, China ; 3. Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014,China |
| Abstract: | Pb absorption characteristics of different organs of 35 rice cultivars were investigated by adding Pb to the soil.Pb was accumulated the most in the grains and milled rice of conventional indica and the least in those of conventional japonica.The Pb concentration in the grains and milled rice of hybrid plants was between above two types of rice.Compared to massive Pb accumulation in the stem and leaves of rice plants,the concentrations of Pb in rice grains were lower in both the low-level Pb pollution(149.1 mg/kg) treatment and the control(No Pb).There was no obvious difference between Pb concentration in rice grains under low-level Pb pollution and the control.Some rice cultivars,Nanjing 41 and Nanjing 40,met the green food rice standard,and Huajing 3,which met the clean food rice standard,were selected out. |
| Keywords: | rice(Oryza sativa L ) Pb pollution absorption |
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