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Down-regulation of catalase activity contributes to senescence induction in wheat leaves exposed to shading stress

Causin, Humberto Fabio; Marchetti, Cintia Florencia; Pena, Liliana Beatriz; Gallego, Susana Mabel; Barneix, Atilio Jose (Springer, 2015-01)

In shaded wheat (Triticum aestivum L.) leaves, the suppression of blue radiation (BR) triggers senescence. This phenomenon is correlated to an increase in oxidative stress symptoms and a decrease of catalase (CAT) activity, ...