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Title: | Correlation between lipid peroxidation and phenolics content in leaves and roots of sugar beet infected with Rhizoctonia solani | Authors: | Kiprovski B. Malenčić, Đorđe Popović, Miroslav Stojšin, Vera Budakov, Dragana Ćurčić Z. Danojević D. |
Issue Date: | 1-Jan-2014 | Journal: | Phytoparasitica | Abstract: | The correlation between intensity of lipid peroxidation and changes in antioxidant capacity of sugar beet plants (cv. 'Drena') infected with Rhizoctonia solani Kühn isolate (AG 2-2 IIIB group) was studied. Successful inoculation was confirmed by the presence of infection cushions in a cross section of leaf petioles. On the 7th day of the experiment, phenylalanine ammonia-lyase (PAL; EC. 4.3.1.5) activity was in negative correlation with intensified lipid peroxidation process in leaves of sugar beet plants (r= -0.99). Also, in leaves and roots of inoculated sugar beet plants, total flavonoids content (35% and 20%, respectively) and 1,1-diphenyl-2-picrylhydrazyl (DPPH)-scavenging activity (80% and 55%, respectively) were significantly reduced. Necrotic processes resulting from R. solani infection of sugar beet plants was followed by induction of plant phenolics metabolism; however, antioxidant capacity of these plants was reduced. © 2013 Springer Science+Business Media Dordrecht. | URI: | https://open.uns.ac.rs/handle/123456789/7755 | ISSN: | 03342123 | DOI: | 10.1007/s12600-013-0352-7 |
Appears in Collections: | POLJF Publikacije/Publications |
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