Effects of (a) Protaphorura on source leaf 13C atom% excess during root (RF) and shoot flush (SF) (pooled for Piloderma) (RF: Control n = 6; Protaphorura n = 4; SF: Control n = 5; Protaphorura n = 6); 13C and 15N atom% excess in plant compartments, (b) effects of Protaphorura on stem 13C atom% excess during RF and SF (pooled for Piloderma) (RF: Control n = 6, Protaphorura n = 4; SF: Control n = 5, Protaphorura n = 4), (c) effects of Protaphorura and Piloderma and their combination on sink leaf 13C atom% excess during RF and SF (RF: Control n = 5, Piloderma n = 6, Protaphorura n = 3, Protaphorura + Piloderma n = 6; SF: Control n = 5, Piloderma n = 3, Protaphorura n = 3, Protaphorura + Piloderma n = 6), and (d) effects of Protaphorura on principal root 15N atom% excess (pooled for Piloderma) (RF: Control n = 6, Protaphorura n = 3; SF: Control n = 5, Protaphorura n = 3).