Here are some photos of the process of assessing the plants I
dip inoculated with
P. ramorum isolates in the containment chamber.
I cut the infected leaves from the plant and lay them on this blue sheet and I photograph them next to a label I printed to identify the treatment and repetition number. I also include a penny for scale.
I then cut all the remaining healthy leaves from the same plant and lay them out in the same way. This is so that I can measure both the total plant leaf area and the total area of diseased tissue.
The end result:
I cut the infected leaves from the plant and lay them on this blue sheet and I photograph them next to a label I printed to identify the treatment and repetition number. I also include a penny for scale. 
I then cut all the remaining healthy leaves from the same plant and lay them out in the same way. This is so that I can measure both the total plant leaf area and the total area of diseased tissue. 
The end result: 
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