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Excerpt from Diseases of Economic Plants A science of Plant Disease was an impossibility until knowledge existed concerning the nature of the parasitic organisms, the fungi and bacteria. The science of Plant Diseases or of Phytopathology was in its early formative period between 1853 and 1870, the very foundations being laid in the pioneer work of Berkeley and De Bary in establishing the parasitism of the fungi, and in Pasteur's fundamental work on Bacteria and Spontaneous Generation. To be sure some of the most conspicuous diseases had long been known by sight. Blight and mildew were referred to in both the Old and the New Testament. Wheat rust was mentioned by Aristotle 350 B.C. and reference to mildew is found in King Lear, Act III, Sc. 4. There was even legislation regarding wheat rust as early as 1760. Yet there was little or no real knowledge of plant diseases in those times, beyond the fact that diseases existed. Following the pioneer publications of Berkeley and De Bary came the more complete treatises of Frank (1880, 1895), Sorauer (1874, 1886, 1906), Kirchner (1890), Tubeuf (1894), and others. It was not until 1873 that plant pathology became a part of instruction in botany, and not until 1875 that special courses in pathology were given in any of the schools of America. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Check List of Diseases of Economic Plants in the United States By paul J. Anderson, Pathologist in Charge, Connecticut Tobacco Experiment Station, and temporarily Associate Pathologist, plant-disease Survey; royal J. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from The Fungi Which Cause Plant Disease Diseases of Economic Plants. Effort has been made to avoid duplication of matter contained in that volume. Abundant citations to the more important papers are given, sufficient, it is believed, to put the student in touch with the literature of the subject. While many parasites not yet known in the United States are briefly mentioned, especially the more important ones or those which are likely to invade America, no attempt has been made to list all of these. N on - parasitic groups closely related to those that are parasitic have been introduced in the keys merely to give a larger perspective to the student. Effort has been made to give at least one illustration of each genus that is of importance in the United States. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Plant Diseases in Iowa in 1927 A report of the results of a survey for diseases of economic plants made by the Bureru of Plant Industry of the United States Department of Agriculture and the Botany and Plant Pathology Section of Iowa State College. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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