Mostrar el registro sencillo del ítem
dc.contributor.author
Moldes, Carlos Alberto
dc.contributor.author
Lima Filho, Oscar Fontão de
dc.contributor.author
Camiña, José Manuel
dc.contributor.author
Kiriachek, Soraya Gabriela
dc.contributor.author
Molas, María Lía
dc.contributor.author
Tsai, Siu Mui
dc.date.available
2017-06-30T21:25:47Z
dc.date.issued
2013-11
dc.identifier.citation
Moldes, Carlos Alberto; Lima Filho, Oscar Fontão de; Camiña, José Manuel; Kiriachek, Soraya Gabriela; Molas, María Lía; et al.; Assessment of the effect of silicon on antioxidant enzymes in cotton plants by multivariate analysis; American Chemical Society; Journal of Agricultural and Food Chemistry; 61; 47; 11-2013; 11243-11249
dc.identifier.issn
0021-8561
dc.identifier.uri
http://hdl.handle.net/11336/19355
dc.description.abstract
Silicon has been extensively researched in relation to the response of plants to biotic and abiotic stress, as an element triggering defense mechanisms which activate the antioxidant system. Furthermore, in some species, adding silicon to unstressed plants modifies the activity of certain antioxidant enzymes participating in detoxifying processes. Thus, in this study, we analyzed the activity of antioxidant enzymes in leaves and roots of unstressed cotton plants fertilized with silicon (Si). Cotton plants were grown in hydroponic culture and added with increasing doses of potassium silicate; then, the enzymatic activity of catalase (CAT), guaiacol peroxidase (GPOX), ascorbate peroxidase (APX), and lipid peroxidation were determined. Using multivariate analysis, we found that silicon altered the activity of GPOX, APX, and CAT in roots and leaves of unstressed cotton plants, whereas lipid peroxidation was not affected. The analysis of these four variables in concert showed a clear differentiation among Si treatments. We observed that enzymatic activities in leaves and roots changed as silicon concentration increased, to stabilize at 100 and 200 mg Si L–1 treatments in leaves and roots, respectively. Those alterations would allow a new biochemical status that could be partially responsible for the beneficial effects of silicon. This study might contribute to adjust the silicon application doses for optimal fertilization, preventing potential toxic effects and unnecessary cost.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Silicon
dc.subject
Antioxidant Enzimes
dc.subject
Cotton
dc.subject
Oxidative Stress
dc.subject
Multivariate Analysis
dc.subject.classification
Química Analítica
dc.subject.classification
Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.subject.classification
Otras Agricultura, Silvicultura y Pesca
dc.subject.classification
Agricultura, Silvicultura y Pesca
dc.subject.classification
CIENCIAS AGRÍCOLAS
dc.title
Assessment of the effect of silicon on antioxidant enzymes in cotton plants by multivariate analysis
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-06-29T13:58:19Z
dc.journal.volume
61
dc.journal.number
47
dc.journal.pagination
11243-11249
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Washington
dc.description.fil
Fil: Moldes, Carlos Alberto. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Lima Filho, Oscar Fontão de. Embrapa Agroindustrial Tropical - CNPAT; Brasil
dc.description.fil
Fil: Camiña, José Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentina. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Kiriachek, Soraya Gabriela. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Molas, María Lía. Universidad Nacional de La Pampa. Facultad de Agronomía; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Tsai, Siu Mui. Universidade de Sao Paulo; Brasil
dc.journal.title
Journal of Agricultural and Food Chemistry
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://pubs.acs.org/doi/abs/10.1021/jf4039088
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/jf4039088
Archivos asociados