chlorophyll-a has been researched along with tricyclazole* in 2 studies
2 other study(ies) available for chlorophyll-a and tricyclazole
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Pesticide mediated oxidative stress induces genotoxicity and disrupts chromatin structure in fenugreek (Trigonella foenum - graecum L.) seedlings.
Here we report cytototoxic and genotoxic potentials of four commonly used pesticides, including, tricyclazole, thiabendazole (fungicides), plethora and slash-360 (insecticides) in the non-target tropical crop plant Trigonella foenum - graecum L. (fenugreek). Three different concentrations of the selected pesticides were used. For fungicides, 0.05% and for insecticides, 0.1% concentration represents recommended doses, while, 2X and 4X concentrations of the recommended dose were used to test their phytotoxic effects. Inhibition of germination and seedling growth were clearly observed at 4X concentration of the pesticides. Tricyclazole and plethora showed more pronounced effects than the other two agrochemicals. The pesticides, particularly at 4X concentrations clearly induced oxidative stress and cytotoxic effects in Trigonella seedlings with appreciable reduction in mitotic index, induction of chromosomal abnormalities in root meristematic cell and decreased level of accumulation of some key cell cycle regulators, including CDK1, CDK2 and Cyclin B1.Detection of accumulation of DNA double strand breaks and histone H2AX phosphorylation in pesticide treated seedlings have revealed direct genotoxic effects of the selected pesticides. Overall, our results provide insights into the mechanism of pesticide induced cytotoxic and genotoxic effects in plant genome with future implications for designing pesticides to minimize their deleterious effects on non-target crop plants. Topics: Anthocyanins; Antioxidants; Carotenoids; Cell Membrane; Cell Survival; Chlorophyll; Chromatin; Comet Assay; DNA Damage; Fungicides, Industrial; Genes, Plant; Genome, Plant; Germination; Hydrogen Peroxide; Insecticides; Lipid Peroxidation; Micrococcal Nuclease; Microscopy, Fluorescence; Oxidative Stress; Plant Roots; Reactive Oxygen Species; Seedlings; Superoxide Dismutase; Thiabendazole; Thiazoles; Trigonella | 2019 |
Evidences for growth-promoting and fungicidal effects of low doses of tricyclazole in barley.
The effect of increasing concentrations (5-100 mg L(-1)) of tricyclazole (TCZ), an important fungicide commonly used for control of spot blotch disease, was investigated for changes in physiological and biochemical parameters in 10 and 20-days-old barley plants (Hordeum vulgare L., cv. RD-2508). A 10 mg L(-1) dose of TCZ supplemented with nutrient solution in barley plants reflected a lowered infection with a significant increase in plant growth, plant biomass, leaf chlorophyll level, altered reactive oxygen species (ROS) formation and altered activity of key antioxidant enzymes viz. superoxide dismutase (SOD, EC: 1.15.1.1), catalase (CAT, EC: 1.11.1.6), ascorbate peroxidase (APX, EC: 1.11.1.1) and guaiacol peroxidase (GPX, EC: 1.11.1.7). To our knowledge this is the first report that provides evidence for TCZ to act both as a fungicide as well as to have plant growth-promoting activity. The study suggests that this dual property of tricyclazole has a potential for integration in disease management programs in barley. Application of low doses of TCZ can fit in well with environment friendly strategies for sustainable barley crop production, more yield and minimal soil contamination. Topics: Antioxidants; Ascorbate Peroxidases; Biomass; Catalase; Chlorophyll; Fungicides, Industrial; Glutathione Reductase; Hordeum; Peroxidase; Plant Diseases; Plant Leaves; Plant Proteins; Plant Roots; Plant Shoots; Reactive Oxygen Species; Superoxide Dismutase; Thiazoles | 2016 |