• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>African Journal of Biotechnology >Effects of lycopene on hydroponic growth and productivity of Amaranthus hybridus L. under aluminium toxicity induced stress
【24h】

Effects of lycopene on hydroponic growth and productivity of Amaranthus hybridus L. under aluminium toxicity induced stress

机译：番茄红素对铝毒诱导胁迫下A菜水培生长和生产力的影响

获取原文
       
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Aluminium (Al) toxicity is an important stress factor for plants in acidic environments. Currently, there exists a dearth of research information on sustainable approaches that can mitigate the problem of Al toxicity in sub Saharan Africa. It is often assumed that since plants have the ability to synthesize their native antioxidants, they may not need supplementation to cope with stresses. To challenge this assumption, the present study explored the effects of 50 and 200 μM concentrations of lycopene (ly) on the growth and productivity of Amaranthus hybridus subjected to 3 × 10-2 mM concentration of Al at pH 4.6 and 25°C. High performance liquid chromatography (HPLC) was used to determine the peak absorbance at 375 nm and the thiobarbithuric acid (TBA) method was used to determine antioxidant activity of ly. Pre- and post-antioxidant treatments were hydroponically applied to A. hybridus seedlings before and after Al treatment for 72 h. Results show that post-lycopene treatments significantly alleviated Al stress in A. hybridus more than pre-lycopene treatments. It is concluded that though A. hybridus could synthesize its own antioxidants, it is susceptible to Al toxicity-induced stress and post-lycopene supplementation could alleviate the stress situation and enhance growth and productivity. However, A. hybridus plants appear not to need lycopene while not under Al stress.
机译：铝（Al）毒性是酸性环境中植物的重要胁迫因素。当前，缺乏可减轻撒哈拉以南非洲的铝毒性问题的可持续方法的研究信息。通常认为，由于植物具有合成其天然抗氧化剂的能力，因此它们可能不需要补充即可应对压力。为了挑战这一假设，本研究探索了50和200μM浓度的番茄红素（ly）对在pH 4.6和25°C的3×10-2 mM的Al下Amaranthus hybridus的生长和生产力的影响。高效液相色谱（HPLC）用于测定375 nm处的峰吸收，硫代巴比妥酸（TBA）方法用于测定ly的抗氧化活性。在Al处理72 h之前和之后，对A. hybridus幼苗进行了抗氧化剂的前和后抗水处理。结果表明，番茄红素后处理比番茄红素前处理显着减轻杂种曲霉的铝胁迫。结论是，尽管杂种曲霉可以合成其自身的抗氧化剂，但它易受Al毒性诱导的胁迫的影响，补充番茄红素后可以缓解胁迫情况并提高生长和生产力。但是，杂种曲霉植物似乎不需要Al胁迫下的番茄红素。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号