Local infiltration of high- and low-molecular-weight RNA from silenced sunflower (Helianthus annuus L.) plants triggers post-transcriptional gene silencing in non-silenced plants
Laboratoire de Biotechnologies et Amélioration des Plantes, Ecole Nationale Supérieure Agronomique de Toulouse, Avenue de l'Agrobiopôle, BP 107, Auzeville Tolosane, 31326 Castanet Tolosan, France