Yellowing Palm Disease: As the Sun Rises and Sets
collograph, linocut, photolitho and drypoint & roulette on paper
11" x 12 1/2"
A study done in the 1970s, at a satellite site in Florida, describing the pathology of yellowing palm disease, and a method of early diagnosis. The xylem pressure in diseased trees does not fluctuate, which stops nutrient circulation in the tree.