Effect of Sulfur Application on Growth, Photosynthetic Pigments, Antioxidant Activity and Arsenic Accumulation in Coriander (Coriandrum sativum) under Arsenic Stress

Journal of Chemical Health Risks

Hosein Asadi Ghalehni¹  Vahid Poozesh¹ 

[1] Department of plant sciences, Damghan University and Biology Institute, Damghan, Iran;

关键词: Ammonium sulfate;    Arsenic nitrate;    Coriander;    Toxic elements;   

DOI  :  10.22034/jchr.2018.544686

来源: DOAJ

【 摘 要 】

Soils polluted with toxic elements are one of the major environmental problems in human societies. Sulfur (S), an essential element for the growth and development plants, plays an important role in reducing the toxicity of toxic elements as arsenic. In this study, the role of Sulfur different regimes (0, 50, 100 and 150 mg per kg) in reducing arsenic (As) toxicity in coriander (Coriandrum sativum) was investigated.  The obtained results indicated that Sulfur application increased the activities of antioxidant enzymes and photosynthetic pigments, but it’s decreased the arsenic induced oxidative stress. Reduction of shoot and root biomass occurred in presence of sulfur different regimes and As various concentrations. S supplement under high As concentration increased protein content of shoot. Different S regimes resulted in enhanced both shoot and root As accumulation. Meanwhile, different treatments of sulfur allowed high translocation of As quantities from root to shoot.  It is well illustrated that phytoextraction is one of the best methods for toxic metals phytoremediation. Thus from present study it is evident that the phytoremediation ability of plants for accumulates toxic metals may be enhanced through exogenous sulfur application.

【 授权许可】

Unknown