Figure 3.
Regression analyses between ripening index and phenolic acids and derivates (ng g−1 FW): (a) 4-coumaric acid; (b) Caffeic acid; (c) trans-ferulic acid (t-ferulic acid); (d) Vanillic acid; (e) Protocatechiuc acid; (f) Chlorogenic acid; (g) Verbascoside in fruits from olive (‘cv Arbequina’) trees subjected to T1 (•) full irrigation with tilled soil, T2 (•) reduced irrigation with tilled soil, T3 (•) full irrigation with non-tilled soil and, T4 (•) reduced irrigation with non-tilled soil.