Shoot development and dieback in progenies of Nothofagus obliqua Javier Puntieri, Javier Grosfeld, Marina Stecconi, Cecilia Brion, María Marta Azpilicueta, Leonardo Gallo and Daniel Barthélémy Ann. For. Sci., 64 8 (2007) 839-844 Published online: 22 November 2007 DOI: 10.1051/forest:2007068