Salicylic acid up-regulates the expression of chloroplastic Cu, Zn-superoxide dismutase in needles of maritime pine (Pinus pinaster Ait.) Herlânder Azevedo, Teresa Lino-Neto and Rui M. TavaresAnn. For. Sci., 61 8 (2004) 847-850DOI: https://doi.org/10.1051/forest:2004083