Fig. 21A-21B. Evaluation of transgenic anthurium for blight resistance using a bioluminescent strain of X. axonopodis pv. dieffenbachiae. No signs of infection are visible on the leaf (A). The leaf perimeter has been traced onto the x-ray film (B), where blackened areas reveal that bacteria have colonized the main veins leading to the petiole. Photos by T. Fujii.

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