Plant phytohormones and their substrates produced in response to R. maidis feeding on the two wheat genotypes. MBOA, 6-methoxy-benzoxazolin-2-one; IAA, auxin; JA, jasmonic acid. N. D., not detected. Different letters above bars indicate significant differences, P value < 0.05, ANOVA followed by Tukey’s HSD test (n = 5–7).