| 几种除草剂水体残留对水葫芦生长的影响 |
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| 引用本文： | 朱普平,王子臣,郑建初,盛婧,陈留根. 几种除草剂水体残留对水葫芦生长的影响[J]. 江苏农业学报, 2012, 28(3): 530-533 |
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| 作者姓名： | 朱普平 王子臣 郑建初 盛婧 陈留根 |
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| 作者单位： | 江苏省农业科学院循环农业研究中心,江苏南京,210014 |
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| 基金项目： | 江苏省农业科技自主创新基金 |
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| 摘 要： | 采用模拟除草剂水体残留的方法研究了稻田3种常用除草剂二甲四氯钠、苄嘧磺隆、丁草胺水体残留对水葫芦生长的影响。结果显示:水体中不同浓度的3种除草剂对水葫芦生长均有影响,其中3.36 mg/L二甲四氯钠处理的水葫芦植株的药害症状最为明显,0.10 mg/L苄嘧磺隆处理的次之,4.25 mg/L丁草胺处理的最小。3种除草剂不同浓度处理下水葫芦干物质产量、分株数均随除草剂浓度的增加而降低。
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| 关 键 词： | 水葫芦 除草剂 水体 残留 |
Effects of herbicide residues in water on growth of water hyacinth |
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| ZHU Pu-ping , WANG Zi-chen , ZHENG Jian-chu , SHENG Jing , CHEN Liu-gen. Effects of herbicide residues in water on growth of water hyacinth[J]. Jiangsu Journal of Agricultural Sciences, 2012, 28(3): 530-533 |
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| Authors: | ZHU Pu-ping WANG Zi-chen ZHENG Jian-chu SHENG Jing CHEN Liu-gen |
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| Affiliation: | (Circular Agriculture Research Center,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China) |
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| Abstract: | The effects of three herbicides(MCPA-Na,bensulfuron-methyl and butachlor,generally applied in paddy field) residues in water on the growth of water hyacinth were studied by simulation of herbicides concentrations.The results showed that three herbicides residues in water had significant phytotoxicity to water hyacinth following the order of 3.36 mg/L MCPA-Na> 0.10 mg/L bensulfuron-methyl> 4.25mg/L butachlor.The dry biomass and tiller number of water hyacinth were decreased with the increase of residues concentration of three herbicides in water. |
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| Keywords: | water hyacinth herbicide water residue |
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