Check List Of Diseases Of Economic Plants In The United States Classic Reprint

Author : N. A. Cobb
Publisher : Forgotten Books
ISBN 13 : 9780267836468
Total Pages : 168 pages
Book Rating : 4.8/5 (364 download)

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Download or read book Letters on the Diseases of Plants (Classic Reprint) written by N. A. Cobb and published by Forgotten Books. This book was released on 2019-02-10 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Letters on the Diseases of Plants It is quite natural to start with the apple in the consideration, and with the light-coloured anthracnose, known as the Ripe Rot (gloeosporium fracti genum, Up to this time the only other fruit upon which this fungus was known to grow is the grape, the Division of Pathology of the Department of Agriculture having recently established this fact. It was an easy matter to verify this work, but of more interest to find that when the virus was transferred to the flesh of the peach it quickly developed in a vigorous way, and produced a Similar patch of decay not identical in appearance because of a difference in texture of the host, but the spore masses and spores were the same. In like manner it was taken to the pear and the quince, so that the same ripe rot fungus produces its destructive work upon the three sorts of fruit of the apple class. Turning now to the tomato group, the chart shows that the dotted lines run to each of these - namely, the pepper, egg-plant, and the tomato. Noting the arrows in this connection, it will be seen that the native Gloeosporium of the pepper and of the tomato, supposed to be different species and distinct from the one upon the apple, were cultivated upon the latter fruit, where each produced the ripe rot of the apple. Following the oval around to the right, beginning with the apple, it will be seen that, besides those fruits already mentioned, the arrows point to the banana, bean, and lemon, all fruits representing widely different groups of plants. 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.