Fecha de publicación: 02/08/2018 Fuente: WIPO "organic farming" The present invention relates to a process and to nutraceutical compositions obtained by using it for the treatment of plants, said compositions having surprising nutritional and biostimulant properties while enhancing the endogenous defenses of plants against fungi, bacteria and viruses. Said compositions also make plants more resistant to biotic infections, by limiting or avoiding the application of agrochemicals.