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Author: Samuel John Hunter
Publisher:
ISBN:
Category : Homoptera
Languages : en
Pages : 68
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Author: Samuel John Hunter
Publisher:
ISBN:
Category : Homoptera
Languages : en
Pages : 68
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Author: University of Kansas (Lawrence, Kan.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Samuel John Hunter
Publisher:
ISBN: 9783337825737
Category :
Languages : en
Pages : 68
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Author: S. J. Hunter
Publisher:
ISBN:
Category :
Languages : en
Pages : 62
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Author: Andrew Ezra Pickard
Publisher:
ISBN:
Category : Manual training
Languages : en
Pages : 424
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Author: S. J. Hunter
Publisher:
ISBN: 9781332193301
Category : Reference
Languages : en
Pages : 68
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Excerpt from Scale Insects Injurious to Orchards: An Account of Some Scale Liable Insects Liable to Be Introduced Be Introduced With Shipments of Young Trees It is the intention in this publication to deal with a group of insects which have been the subject of numerous inquiries and have heretofore received no special attention in Kansas. The reason for this, doubtless, is that they have not been known to exist in alarming numbers in the state. While the present information upon the subject contains no knowledge of their presence within the state, it is not sufficient evidence of their absence. Other states believing them to be absent or present only within small limits have been surprised and alarmed when, upon investigation, they ascertain thje large areas infested and amount of damage done. At the request of the owners, I have examined a number of nurseries in this state and found no forms of injurious scale insects present. The statement of Prof. F. M. Webster, state entomologist of Ohio, that no scientist can be positive of the absence of isolated colonies without a microscopic examination of every twig, branch and trunk of the trees inspected, carries with it much weight. While I cannot assume that the state is entirely free from these scale pests, and while I do not desire to give cause for undue alarm, I can, however, say that from the experiences of other states Kansas is very likely to suffer from these, the most pernicious enemies of horticulturists, unless strict precautions are observed. Upon the principles, then, that to be forewarned is to be forearmed, and that a knowledge of prevention is more valuable than application of curatives, are based the reasons for this article. I am under many obligations to Chancellor F. H. Snow for valuable suggestions offered during preparation of this paper; to Hon. Jno, E. Frost, land commissioner of the Atchison, Topeka & Santa Fe railway, and Hon. E. R. Washburn, president of the Kansas City, Fort Scott & Memphis railway, for material assistance rendered in securing data upon this subject. 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.
Author: F. M. Trimble
Publisher:
ISBN:
Category : Scale insects
Languages : en
Pages : 21
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Author: W. E. Britton
Publisher: Forgotten Books
ISBN: 9780656824878
Category : Science
Languages : en
Pages : 20
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Excerpt from The Chief Injurious Scale-Insects of Connecticut This scale is circular, usually greenish yellow in color, and has a glassy appear ance. It forms a pit or depression in the bark where it is situated, and it is about 2 mm in diameter. (see Figure This species has been sent to the Station several times on English oak, Quercus robur, though it is known to attack other oaks. Kerosene emulsion and whale oil soap have been used as a Spray with good results in destroying this insect. 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.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Author: Wilmon Newell
Publisher:
ISBN:
Category : Scale-insects
Languages : en
Pages : 31
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