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首页> 外文期刊>Environmental Pollution >Evaluation of tetracycline phytotoxicity by seed germination stage and radicle elongation stage tests: A comparison of two typical methods for analysis
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Evaluation of tetracycline phytotoxicity by seed germination stage and radicle elongation stage tests: A comparison of two typical methods for analysis

机译：通过种子发芽期和胚根伸长期试验评估四环素的植物毒性：两种典型分析方法的比较

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摘要

Biological tests with plant seeds have been adopted in many studies to investigate the phytotoxicity of pollutants to facilitate the control of risks and remain to be optimized. In this work, the experiment with a small sample size (Experiment 1) and the experiment with a large one (Experiment 2) were designed to study the effect of tetracycline (TC) on Chinese cabbage (Brassica raps L.) at seed germination and radicle elongation stages. At the former stage, germination number data were obtained to analyze the germination energy (GE) and to judge the probability of the number of germinated seeds (P-n) by the binomial distribution model in Experiment 1. While germination time-to-number data were obtained to analyze the mean time to germination (MGT), the estimate of mean time to germination (EMGT) by survival analysis method, the time to germination for 50% of total seeds (T-50) and the germination rate (GR) besides GE in Experiment 2. At the latter stage, the data of radicle length (RL) were obtained in all the experiments and the influence from the former stage on this stage was excluded in Experiment 2 but not in Experiment 1. Results showed that TC had universal adverse effects on the latter stage but not on the former stage in the experiments. Considering the availability of germination data for statistical analysis and the robustness of RL data, the methods adopted in Experiment 2 were more feasible than those in Experiment 1. In addition, Chinese cabbage seeds with medium size have the character of rapid germination compared with the commonly used crop species and can be used to shorten the experimental cycle to study the responses of seeds to pollutants to evaluate the phytotoxicity.We introduced survival analysis method to analyze the germination time-to-number data obtained in seed germination test to evaluate the phytotoxicity of tetracycline. (C) 2019 Elsevier Ltd. All rights reserved.
机译：许多研究已采用植物种子进行生物测试，以研究污染物的植物毒性，以促进风险控制并有待优化。在这项工作中，设计了一个小样本量的实验（实验1）和一个大样本量的实验（实验2），以研究四环素（TC）对大白菜（Brassica raps L.）种子发芽和发芽的影响。胚根伸长阶段。在前阶段，通过实验1中的二项分布模型获得发芽数数据，以分析发芽能（GE）并判断发芽种子数（Pn）的概率。获得用于分析平均发芽时间（MGT），通过生存分析方法估算的平均发芽时间（EMGT），总种子的50％的发芽时间（T-50）和发芽率（GR）实验2中的GE。在后期，在所有实验中均获得了胚根长度（RL）的数据，实验2中排除了前一阶段对胚根长度的影响，但实验1中没有。普遍的不良反应在实验的后期而不是前期。考虑到可用于统计分析的发芽数据的可用性和RL数据的鲁棒性，实验2中采用的方法比实验1中的方法更可行。此外，中等大小的大白菜种子具有比通常的发芽快的特征。使用农作物品种，可以缩短实验周期，研究种子对污染物的反应，评价植物毒性。我们引入了生存分析方法，分析了种子发芽试验中发芽时间数据，评价了种子的植物毒性。四环素。 （C）2019 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Environmental Pollution》 |2019年第8期|257-263|共7页
  • 作者

    Luo Yuan; Liang Jie; Zeng Guangming; Li Xiaodong; Chen Ming; Jiang Longbo; Xing Wenle; Tang Ning; Fang Yilong; Chen Xuwu;

  • 作者单位

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

    Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China|Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Tetracycline; Phytotoxicity; Seed germination; Sample size; Binomial distribution; Survival analysis;

    机译：四环素;毒性;种子发芽;样品大小;二项式分布;生存分析;

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