Peach rootstock differences in ring nematode tolerance related to effects on tree dry weight, carbohydrate and prunasin contents [Criconemella xenoplax, partitioning, mandelonitrile glucoside]

amidon biomasa biomass biomasse carbohidratos carbohydrates crecimiento criconemella croissance feuille genotipos genotypes glucide glucoside glucosides glucosidos growth hojas leaves pest resistance portainjertos porte greffe prunus persica racine relaciones fuente sumidero relation source puits resistencia a las plagas roots rootstocks source sink relations starch stems tallo tige