Table 1 Changes in the amino acid and phenolic acid levels in pre- and post-inoculated plants of watermelon variety, PI-296341 (PI), Sugar Baby (SB), Calhoun Grey (CA) and Charleston Grey (CH). The letter ‘C’ and ‘T’ used denote control and treatment group plants, respectively. The significant differences (P < 0.05) among watermelon varieties are shown by different letters, based on a post hoc Tukey’s test. Different colors indicate not detected (yellow); significantly increased (pink-orange); significantly decreased (light green); only detected (light blue) levels
