Effect of interstock bridge grafting (M9 dwarfing rootstock and same cultivar cutting) on vegetative growth, reproductive growth and carbohydrate composition of mature apple trees

carbohydrate content contenido de carbohidratos crecimiento croissance grafting greffage growth injerto injerto intermedio interstocks malus pumila portainjertos porte greffe rendement rendimiento rootstocks teneur en glucides variedades varieties yields