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- Maroder, Horacio, et al. Show all 4 Authors
- Journal of experimental botany 2012 v.63 no.10 pp. 3631-3642
- Salix nigra; antioxidant activity; chemiluminescence; enzyme activity; germination; imbibition; lipid peroxidation; oxidation; oxidative stress; seeds; spectroscopy; superoxide anion; superoxide dismutase
- ... Salix nigra seeds subjected to increased humidification show a decrease in normal germination (NG) during early imbibition followed by a recovery in that parameter at increasing imbibition times. Since photo-oxidized seeds contain high levels of reactive oxygen species (ROS), it is possible to infer that the atypical decrease in NG is a consequence of a higher ROS mobilization at early imbibition ...
- Maroder, Horacio, et al. Show all 5 Authors
- Physiologia plantarum 2013 v.149 no.2 pp. 286-295
- seedling growth; cell death; ascorbate peroxidase; reactive oxygen species; lipid peroxidation; seedlings; light intensity; roots; shoots; transmission electron microscopy; peroxidase; leaf primordia; apical meristems; germination; superoxide dismutase; antioxidant activity; enzyme activity; leaf emergence; catalase; cotyledons; death
- ... In willow seeds, photooxidative damage is mainly restricted to the outer cotyledonary tissues, significantly reducing normal germination. Here we analyzed the damage generated in cotyledonary tissues and investigated whether the increase in reactive oxygen species (ROS) generation in seedlings from photooxidized seeds can affect the morphogenetic capacity of the shoot apical meristem. Seeds were p ...
- Maroder, Horacio, et al. Show all 7 Authors
- Annals of botany 2010 v.105 no.6 pp. 1027-1034
- Salix nigra; chlorophyll; electrolytes; fatty acid composition; free radicals; galactolipids; gas chromatography; germination; light intensity; oxygen; permeability; phospholipids; photooxidation; plasma membrane; polyunsaturated fatty acids; seeds; spectroscopy; temperature; thylakoids; transmission electron microscopy; triacylglycerols; viability
- ... BACKGROUND AND AIMS: Salix nigra seeds are desiccation-tolerant, as are orthodox seeds, although in contrast to other orthodox seeds they lose viability in a few weeks at room temperature. They also differ in that the chloroplasts of the embryo tissues conserve their chlorophyll and endomembranes. The aim of this paper was to investigate the role of chlorophyll in seed deterioration. METHODS: Seed ...
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