In the great U.S. wheat belt, farmers listen to "Stake" almost as anxiously as to the weather man. Last week Professor Elvin C. Stakman, famed University of Minnesota plant pathologist, gave them something to be anxious about. "No. 56," the dread wheat rust, is rising to epidemic proportions. Stake and his boys were making some laboratory progress against it; they were sure they would eventually master No. 56, as they had mastered many another disease. But the outbreak once more confirmed a Stakman theory: the news on the fungus front is always bad.
Dr. Stakman, 59, is perhaps the world's No. 1...
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