Browsing University of Missouri-Columbia by Title "Infection experiments with Puccinia helianthi Schw"
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Infection experiments with Puccinia helianthi Schw
(University of Missouri--Columbia, 1916)"Sunflower seedlings were grown in four or five inch flower pots. The seed was obtained from Henry A. Dreer, of Philadelphia, J.M. Thorburn and Co., of New York, Rev. J.M. Bates, of Red Cloud, Nebraska, E. Bartholemew, of ...