Fitness costs of chemically-induced resistance: double edges sword or (un)stable equilibrium? [plants; resistance to injurious factors]

chitosan chitosane chitosano disease resistance enfermedades de las plantas fitoalessine fitoalexina genetic resistance induced resistance maladie des plantes malattie delle piante metaboliti secondari metabolitos secundarios parassiti delle piante pests of plants phytoalexine phytoalexins piante plagas de plantas plant diseases plante plants quitosano ravageur des plantes resistencia a la enfermedad resistencia inducida resistenza alle malattie resistenza genetica resistenza indotta secondary metabolites