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Fig. 4. Effects of cultivar, temperature, and temperature duration on the ethylene production rate in wheat seedlings. Means ± SD of four replications are presented. To make graph easy, only 1/4 of the means have SD shown. Rectangles at the top of the figure show the 38°C and the lines the 22°C temperature regimes. Probabilities for cultivar effect and cultivar x temperature interaction (in parentheses) are presented at the left top of the figure. DW = dry weight.
