The Occurrence of Wheat Downy Mildew in the United States
The book The Occurrence of Wheat Downy Mildew in the United States was written by author Weston, William H. [from Old Catalog] Here you can read free online of The Occurrence of Wheat Downy Mildew in the United States book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Occurrence of Wheat Downy Mildew in the United States a good or bad book?
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As effective methods of control can be devised only from a thor- ough understanding of the very obscure life history of the causal Sclerospora, this phase of the problem is now being studied by the Office of Cereal Investigations. At present it is important that the disease should be watched, be- cause of its possibilities for future destruction. Its history in Eu- rope, and especially in Italy, where it has been known for more than 40 years, indicates that it may prove much more troublesome in... the future. In Italy it has been found especially on wheat and maize, but occasionally also on oats, barley, rice, and on several wild grasses of the genera Phalaris, Phragmites, Glyceria, Agropyron, and Lolium. It is very probable, therefore, that under favorable circumstances the disease may attack any of these hosts in our own country. In Europe, moreover, there have been occasional reports of very severe destruc- tion of wheat and maize which the disease has caused in regions sub- ject to flood or excessive moisture.
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