Calcium deficiency - Influence on the antioxidative defense system in tomato plants
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Calcium affects uranium responses in Arabidopsis thaliana: From distribution to toxicity
2022, Plant Physiology and BiochemistryDifferential effects of excess calcium applied to whole plants vs. excised fruit tissue on blossom-end rot in tomato
2021, Scientia HorticulturaeCitation Excerpt :Moderate application of calcium at a rate of 10 ppm to container grown tomato plants in irrigation solution was sufficient in reducing BER incidence and severity, despite being lower than previous recommendations (Bar-Tal et al., 2017; Kreij, 1996). Foliar application of calcium has also been shown to be effective in reducing BER incidence (Schmitz-Eiberger et al., 2002; Wada et al., 1996), and may also be an effective mid-season option. This could facilitate direct absorption of calcium into the fruit, while reducing the likelihood of overconcentration of calcium in the soil compared to calcium application to the soil.
Application of garlic allelochemicals improves growth and induces defense responses in eggplant (Solanum melongena) against Verticillium dahliae
2021, Ecotoxicology and Environmental SafetyCitation Excerpt :As the infection proceeded, the cellular metabolism was supposedly perturbed due to oxidative burst causing an overproduction of ROS. To encounter these ROS, the plants activated the natural defense responses primarily including SOD to stabilize O2− and POD to stabilize H2O2, thus ensuring the natural metabolism and cellular integrity (Foyer and Shigeoka, 2011; Liu et al., 2014a, 2014b; Rabinovitch et al., 2017; Schmitz-Eiberger et al., 2002). However, as the infection advanced, the control plants failed to maintain the defense system and thus the overproduction of these ROS may have led to the cellular burst, hindering plant growth and development.
Lignification of tomato (Solanum lycopersicum) pericarp tissue during blossom-end rot development
2021, Scientia HorticulturaeCitation Excerpt :The result of ROS accumulation, however, has not been determined. It has been suggested that ROS accumulation may be the cause of cell death during BER development (Mestre et al., 2012; Saure, 2014), with increased malondialdehyde content supporting this assertion (Mestre et al., 2012; Schmitz-Eiberger et al., 2002). Results from our research offer an additional effect of H2O2 that accumulates in BER-affected fruit.
Mineral and carbohydrates changes in leaves and roots of olive trees receiving biostimulants and foliar fertilizers
2020, South African Journal of BotanyCitation Excerpt :Potassium (K) has an important role on growth and water use efficiency in olive (Arquero et al., 2006). Another important macronutrient is calcium (Ca) which has a role in maintaining chlorophyll (Schmitz- Eiberger et al., 2002). Moreover the flowering process and reproductive tissues have high Ca requirements (Cakmak and Kirkby, 2008).