Articles: PubMed: Two-stage phyto-microremediation of tannery effluent by Spirodela polyrrhiza (L.) Schleid. and chromium resistant bacteria. PubMed: Quantification and enzyme targets of fatty acid amides from duckweed root exudates involved in the stimulation of denitrification. PubMed: Heterogeneous sono-Fenton process using pyrite nanorods prepared by non-thermal plasma for degradation of an anthraquinone dye. PubMed: Molecular distribution and toxicity assessment of praseodymium by Spirodela polyrrhiza. PubMed: [Optimization of Polysaccharide Extraction from Spirodela polyrrhiza by Plackett-Burman Design Combined with Box-Behnken Response Surface Methodology]. PubMed: Biodegradation of direct blue 129 diazo dye by Spirodela polyrrhiza: An artificial neural networks modeling. PubMed: Biogas production from vietnamese animal manure, plant residues and organic waste: influence of biomass composition on methane yield. PubMed: Stimulation of nitrogen removal in the rhizosphere of aquatic duckweed by root exudate components. PubMed: Simultaneous monitoring of photocatalysis of three pharmaceuticals by immobilized TiO2 nanoparticles: chemometric assessment, intermediates identification and ecotoxicological evaluation. PubMed: Response of antioxidant defences to Zn stress in three duckweed species. PubMed: Accelerated biodegradation of nitrophenols in the rhizosphere of Spirodela polyrrhiza. PubMed: Occurrence of 4-tert-butylphenol (4-t-BP) biodegradation in an aquatic sample caused by the presence of Spirodela polyrrhiza and isolation of a 4-t-BP-utilizing bacterium. PubMed: Isolation and characterization of 3-nitrophenol-degrading bacteria associated with rhizosphere of Spirodela polyrrhiza. PubMed: Synthesis and herbicidal activities of novel 3-(substituted benzyloxy or phenoxy)-6-methyl-4-(3-trifluoromethylphenyl)pyridazine derivatives. PubMed: Phytoremediation of Cr(VI) by Spirodela polyrrhiza (L.) Schleiden employing reducing and chelating agents. PubMed: Qualitative and quantitative analyses of flavonoids in Spirodela polyrrhiza by high-performance liquid chromatography coupled with mass spectrometry. PubMed: Biodiversity and importance of floating weeds of Dara Ismail, Khan District of KPK, Pakistan. PubMed: Accelerated degradation of a variety of aromatic compounds by Spirodela polyrrhiza-bacterial associations and contribution of root exudates released from S. polyrrhiza. PubMed: Culture-dependent and independent analyses of the microbial communities inhabiting the giant duckweed (Spirodela polyrrhiza) rhizoplane and isolation of a variety of rarely cultivated organisms within the phylum Verrucomicrobia. PubMed: Enrichment of bacteria possessing catechol dioxygenase genes in the rhizosphere of Spirodela polyrrhiza: a mechanism of accelerated biodegradation of phenol. PubMed: Effect of excess iron and copper on physiology of aquatic plant Spirodela polyrrhiza (L.) Schleid. PubMed: Effects of Pb2+ on the structure and function of photosystem II of Spirodela polyrrhiza. PubMed: Ecophysiological tolerance of duckweeds exposed to copper. PubMed: Synthesis and herbicidal activities of novel 3-N-substituted amino-6-methyl-4-(3-trifluoromethylphenyl)pyridazine derivatives. PubMed: Concurrent removal and accumulation of heavy metals by the three aquatic macrophytes. PubMed: Toxic effect of arsenate and cadmium alone and in combination on giant duckweed (Spirodela polyrrhiza L.) in response to its accumulation. PubMed: Cellular redox-status is associated with regulation of frond division in Spirodela polyrrhiza. PubMed: Concentrations of heavy metals and aquatic macrophytes of Govind Ballabh Pant Sagar an anthropogenic lake affected by coal mining effluent. PubMed: Protective effect of total flavonoids from Spirodela polyrrhiza (L.) Schleid on human umbilical vein endothelial cell damage induced by hydrogen peroxide. PubMed: [Analysis of nucleotide sequences polymorphism of chloroplast trnL-trnF spacer of tRNA genes in giant duckweed Spirodela polyrrhiza (L.) Schleiden]. PubMed: [Effects of different concentration copper on pigment content and antioxidase system of Spirodela polyrrhiza and Lemna minor]. PubMed: Accelerated aromatic compounds degradation in aquatic environment by use of interaction between Spirodela polyrrhiza and bacteria in its rhizosphere. PubMed: Synthesis and herbicidal activity of novel alpha,alpha,alpha-trifluoro-m-tolyl pyridazinone derivatives. PubMed: Damage of PS II during senescence of Spirodela polyrrhiza explants under long-day conditions and its prevention by 6-benzyladenine. PubMed: [Effect of environment and nutrient factors on the content of nitrogen and phosphorus in two duckweeds species: Spirodela polyrrhiza and Lemna aequinoctialis]. PubMed: [Growth feature of biomass of Lemna aequinoctialis and Spirodela polyrrhiza in medium with nutrient character of wastewater]. PubMed: Detoxification of distillery effluent through Bacillus thuringiensis (MTCC 4714) enhanced phytoremediation potential of Spirodela polyrrhiza (L.) Schliden. PubMed: Comparative study on sensitivity of higher plants and fish to heavy fuel oil. PubMed: Assessment of toxic interactions of heavy metals in a multicomponent mixture using Lepidium sativum and Spirodela polyrrhiza. PubMed: Kinetics of basic dye (methylene blue) biosorption by giant duckweed (Spirodela polyrrhiza). PubMed: Mechanisms of EDDHA effects on the promotion of floral induction in the long-day plant Lemna minor (L.). PubMed: [Steroids and lipids from Spirodela polyrrhiza]. PubMed: The plant PDR family of ABC transporters. PubMed: [Changes in vectors of endogenously generated ion currents in light-induced germination of turions of Spirodela polyrrhiza]. PubMed: [A pharmacognostical study on herba Spirodelae and its adulterants]. PubMed: The ABC transporter SpTUR2 confers resistance to the antifungal diterpene sclareol. PubMed: Abscisic acid-induced changes in inositol metabolism in Spirodela polyrrhiza. PubMed: 1L-myo-inositol-1-phosphate synthase. PubMed: Hormonal and environmental regulation of a plant PDR5-like ABC transporter. PubMed: Modulation of cadmium uptake and toxicity in Spirodela polyrrhiza (L.) schleiden due to malathion. PubMed: The Physiological Role of Abscisic Acid in Eliciting Turion Morphogenesis. PubMed: Accumulation and toxicity of iron and manganese in Spirodela polyrrhiza (L.) Schleiden. PubMed: The abscisic acid induction of a novel peroxidase is antagonized by cytokinin in Spirodela polyrrhiza L. PubMed: A plant gene with homology to D-myo-inositol-3-phosphate synthase is rapidly and spatially up-regulated during an abscisic-acid-induced morphogenic response in Spirodela polyrrhiza. PubMed: Chromium uptake by Spirodela polyrrhiza (L.) Schleiden in relation to metal chelators and pH. PubMed: Developmental Control of Apiogalacturonan Biosynthesis and UDP-Apiose Production in a Duckweed. PubMed: Effects of CO(2) and O(2) on the Photosynthetic O(2) Evolution of Spirodela polyrrhiza Turions. PubMed: Toxicity of coal-distillates to Spirodela polyrrhiza. PubMed: Photoregulation of Anthocyanin Synthesis : VIII. Effect of Light Pretreatments. PubMed: Turion Induction in Spirodela polyrrhiza by Abscisic Acid. PubMed: Dormancy, Turion Formation, and Germination by Different Clones of Spirodela polyrrhiza. PubMed: [Flavonoids of Spirodela polyrrhiza]. PubMed: The calcium requirements of purple bacteria, green algae, and Spirodela polyrrhiza.