Referring to a composition comprising a Strain of Bacillus subtilis or a cell free extract of the same and \/ or a Mutant of This strain and optionally a chemical compound selected from the Group (a) to (j), where the Group) are the strobilurins such as azoxystrobin, dimoxystrobin, PI Coxistrobina, among others, Group B) are carboxamidas such as benalaxyl, carboxin, fenfuram,Isotianilo, flutolanil, among others, the Group c) are azoles such as azaconazole, bitertanol, ipconazole, penconazole, benomyl, imazalil, Prochloraz, Ethaboxam, among others, Group d) are Heterocyclic compounds such as pyridines, pyrimidines, Piperazines, pyrroles, among others, Group e) Are carbamates such as maneb, metam, thiram, propamocarb, valiphenal, among others.Group f) are other active substances such as Antibiotics, dodine, guanidine Derivatives, Organic Phosphorus, Organic Chlorine Derivatives, among others, the Group g) are Growth Regulators such as amidoclor, choline chloride, flurprimidol, among others, the group h are t herbicides As Acetamidas ales, bipiridilos, dinitroanilinas,Among others, the Group j) are such as pyrethroids, carbamates insecticides, organo Phosphorus (Uncle), among others. Said composition is useful for Increasing the force and \/ or performance under Agricultural cultivation pathogenic pressure essentially non-existentREFERIDA A UNA COMPOSICION QUE COMPRENDE UNA CEPA DE BACILLUS SUBTILIS O UN EXTRACTO LIBRE DE CELULA DE LA MISMA Y/O UN MUTANTE DE ESTA CEPA Y OPCIONALMENTE UN COMPUESTO QUIMICO SELECCIONADO DE LOS GRUPOS A) A J), DONDE EL GRUPO A) SON LAS ESTROBILURINAS TALES COMO AZOXISTROBINA, DIMOXISTROBINA, PICOXISTROBINA, ENTRE OTROS, EL GRUPO B) SON CARBOXAMIDAS TALES COMO BENALAXILO, CARBOXINA, FENFURAM, ISOTIANILO, FLUTOLANILO, ENTRE OTRAS, EL GRUPO C) SON AZOLES TALES COMO AZACONAZOL, BITERTANOL, IPCONAZOL, PENCONAZOL, BENOMILO, IMAZALILO, PROCLORAZ, ETABOXAM, ENTRE OTROS, EL GRUPO D) SON COMPUESTOS HETEROCICLICOS TALES COMO PIRIDINAS, PIRIMIDINAS, P
