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Mean longitudinal length of the lesion (in mm) caused by P. parasitica, in resistant (H70, H73, H142, H150) and susceptible (H19, H47, H105, H148) F1 hybrids, and in their parents Citrus sunki and Poncirus trifoliata Rubidoux 48 hours after inoculation. Vertical bars represent standard deviations of the means of three replicates.
