Word: pathways
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Dates: during 1980-1989
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...epidemic, but with only limited success. They have developed effective fungicides, for example, but when these chemicals are injected into the trees, they do not penetrate all the infected parts. Other strategies under test include trimming or fumigating the roots between diseased and nondiseased trees, which can provide another pathway for the infection...
Calvin, University Professor at the University of California at Berkeley who won the Nobel prize in 1951 for his discovery of the biochemical pathway of photosynthesis, spoke before an audience of approximately 200 in his first of three John M. Prather Memorial Lectures at the Geological lecture hall...