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Interactive Effects of Elevated [CO2] and Drought on the Maize Phytochemical Defense Response against Mycotoxigenic Fusarium verticillioides
Fig 5
Effects of 2x[CO2] and drought (–H2O) on maize phytohormone responses to F. verticillioides (Fv) inoculation.
Mean concentration ± SEM of (a) jasmonic acid (JA), (b) salicylic acid (SA), and (c) abscisic acid in maize stem tissues grown at 1x[CO2] or 2x[CO2] with irrigation (+H2O) or without irrigation (-H2O) conditions two days after mock inoculation (-Fv) or F. verticillioides inoculation (+Fv) were determined. Individual and interacting factors significantly contributing to differences are indicated at the top right corner of each graph (2x2x2 ([CO2]xH2OxFv) ANOVA, n = 4, P<0.05).