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Excerpt from Eradicating European Pine Shoot Moth on Ornamental Pines With Methyl Bromide For treatment of nursery trees moved to permanent control chambers, it is recommended that fumigation be carried on during the winter months, using a gas concentration of 4 pounds per 1, 000 cubic feet for 2 hours at 62° F or 4 to 5 pounds for 3 hours at For treatment of trees in place, a method has been devised which adjusts treatment time according to fluctuations in chamber temperatures. The vapor pressure of the gas is used as an index to the effect of an average chamber temperature obtained for a 30 minute period. Treatment is continued until the sum of these index numbers reaches the desired total effect of time and temperature. 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 Eradicating European Pine Shoot Moth in Commercial Nurseries With Methyl Bromide This is the third in a series of reports on experimental furni gation of the European pine shoot moth in residential areas and nurseries. Methods and techniques derived in previous studies on single ornamentals were adapted to fumigation of a commercial nursery. An elongate cubical chamber was built for treatment of trees in rows. Furnigation of an entire commercial nursery is feasible under conditions existing in the Puget Sound area of Washington during late fall and winter. All treatments in which ground tarps were used under chambers resulted in 100 percent shoot moth control. Two treatments in which wet soil was substituted for the ground tarp failed to give loo-percent control; one of these failures was due to too short an exposure period. Tree damage from fumigation was minor and most apparent on lodgepole pine and western white pine. 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 Procedures and Equipment for Fumigating European Pine Shoot Moth on Ornamental Pines This is the second in a series of reports on the experimental fumigation with methyl bromide. It consists of two parts. One describes the procedures developed and equipment used during the period of experimentation; it is to pro vide guidance for those immediately concerned with use of the fumigation tech nique. The second part describes tests of mechanical factors pertinent to de vising the fumigation technique previously hence is primarily for the information of other researchers? 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.
Naslagwerk over ziekten (veroorzaakt door schimmels, bakterien en virussen) van belangrijke bomen voor bossen en parken in Engeland, met uitgebreide illustraties van symptomen
This interdisciplinary text offers updated knowledge on pest management. It discusses dissemination and impact on a range of crops across the globe on industrialized and subsistence level farms. It also explores the effect of the green revolution on IPM.
As well as examining successful biological control programmes this book analyses why the majority of attempts fail. Off-target and other negative effects of biological control are also dealt with. Chapters contributed by leading international researchers and practitioners in all areas of biological control afford the book a breadth of coverage and depth of analysis not possible with a single author volume. Combined with the use of other experts to review chapters and editorial oversight to ensure thematic integrity of the volume, this book provides the most authoritative analysis of biological control published. Key aspects addressed include how success may be measured, how successful biological control has been to date and how may it be made more successful in the future. With extensive use of contemporary examples, photographs, figures and tables this book will be invaluable to advanced undergraduate and postgraduate students as well as being a `must' for all involved in making biological control successful.
Note for the electronic edition: This draft has been assembled from information prepared by authors from around the world. It has been submitted for editing and production by the USDA Agricultural Research Service Information Staff and should be cited as an electronic draft of a forthcoming publication. Because the 1986 edition is out of print, because we have added much new and updated information, and because the time to publication for so massive a project is still many months away, we are making this draft widely available for comment from industry stakeholders, as well as university research, teaching and extension staff.