Table 2: Pearson correlation coefficients (r; n = 24) between concentrations of phosphorus and of different substances in the fruits of Libidibia ferrea (Mart. ex Tul.) L.P. Queiroz var. ferrea and of mycorrhizal colonization in the roots of field plants inoculated or not with different arbuscular mycorrhizal fungi (AMF), in Petrolina, PE, Brazil.

- Phosphorus Phenols Tannins Flavonoids Proantho Saponins GA EA Colonization Carbohydrates AAO
Phosphorus - -0.7515** -0.7166** -0.4422* ns ns ns -0.6655 ns -0.5569* 0.56*
Phenols - - 0.9541** 0.5351* ns ns ns 0,5001* ns 0.4588* -0.5502*
Tannins - - - ns ns ns ns ns ns ns -0.6138*
Flavonoids - - - - ns ns 0.4820* ns ns 0.8046** ns
Proanthocyanidins - - - - - ns 0.4708* ns ns 0.4918* ns
Saponins - - - - - - ns ns ns ns ns
GA - - - - - - - ns ns 0.6952** ns
EA - - - - - - - - ns ns ns
Colonization - - - - - - - - - ns ns
Carbohydrates - - - - - - - - - - ns

** p < 0.01; * p<0.05; ns= non-significant. GA= Gallic Acid, EA = Ellagic Acid, Proantho= Proanthocyanidins, AAO = Antioxidant Activity.