Book Description

Excerpt from Forest Tree Diseases Common in California and Nevada: A Manual for Field Use This manual, designed for practical use in the field discusses only the more important tree diseases found in California and parts Of Nevada, though most of them are common also in other forest regions. Its aim is to enable the field man to determine the cause of the commoner diseases and injuries and to understand their effect on the living tree. It discusses also ways and means Of control Of fungi and mistletoes, as well as climatic, biological, and soil conditions which bring about diseases in forest trees. In studying forest tree diseases the Object is of course to learn how to fight and control them. For success in this, however, we must at least know the more common forms of the enemies we are to deal with, how they act on the living tree, which organs they attack, how they do it, and what the consequences are. The. Simplest case of injury is destruction of certain parts of the tree, when, for instance, a few needles are browsed Off by sheep or killed by needle miners or a fungus. In such cases the tree will hardly suffer, and there is no reason to speak Of disease. If however. 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.