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Excerpt from The Blister Rust of White Pine Naturally the increase in the demand for suitable small coniferous trees has led to the establishment of a number of forest-tree nurseries which supply this commercial demand. Of course there have been for years nurseries which supplied relatively small quantities of this stock; these met the demand-for stock for ornamental purposes but not for practical field planting. During the past year or two Ameri can nurserymen have been unable wholly to supply the suddenly increased demand for planting stock, the entire available supply being sold in spite of the action of the Northeastern States in furnish ing planting stock at cost prices. American prices have been and still are considerably higher than European prices for the same grade of stock. This is partly due to the higher cost of manual labor in this country and partly to the inefficient methods and supervision given to this crop by many American nurserymen. There are many Americans who are fully competent to raise young fruit-tree stock and who are very success ful in this branch of nursery work. But this class of stock is not usually seriously affected with the damping - off diseases, while the coniferous seedlings are as a class especially susceptible to them. 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.
Advances in Ecological Research was first published in 1962 and has become one of Academic Press' most prestigious and successful series. In 1999 the Institute for Scientific Information released figures indicating this serial has an impact factor of 9.6 and a half-life of 10.0 years, ranking it first in the highly competitive category of Ecology. This volume continues to publish topical and important reviews, and interprets ecology to include all material that contributes to our understanding of the field. Advances in Ecological Research presents a wide range of papers on all aspects of ecology. Topics include the physiology, populations, and communities of plants and animals, as well as landscape and ecosystem ecology
With vivid stories and an infectious delight in the garden, Jo Ann Gardner shares her wisdom and useful tips on planting, growing, and harvesting more than 90 different kinds of herbs. Every gardener will benefit from the author’s intimate knowledge of herbs and their histories, growing needs, and uses in the kitchen and home. The wisdom she shares—with vivid stories, a self-deprecating wit, and an infectious delight in the garden—will be useful to herb growers living anywhere in the United States or Canada. Included in this practical guide is instruction on: • Planting, caring for, and propagating herbs indoors, outdoors, and in containers • Harvesting, drying, and preserving herbs, flowers, and seeds • Two dozen ways to use herbs in the home, from aromatherapy and infusions to vinegars and wreaths • Landscaping with herbs, with plans for a harvest bed, rose garden, and other themed gardens • The growing needs and unique uses of more than 90 herbs, along with favorite recipes “Readers from all regions will benefit from these simple strategies for dealing with common problems.” —Booklist
Fungi enjoy great popularity in pharmaceutical, agricultural, and biotechnological applications. Recent advances in the decipherment of whole fungal genomes promise an acceleration of these trends. This timely book links scientists from different parts of the world who are interested in the molecular identification of fungi combined with the exploration of the fungal biodiversity in different ecosystems. It provides a compendium for scientists who rely on a rapid and reliable detection of fungal specimens in environmental as well as clinical resources in order to ensure the benefit of industrial and clinical applications. Chapters focus on the opportunities and limits of the molecular marker-mediated identification of fungi. Various methods, procedures and strategies are outlined. Furthermore, the book offers an update of the current progress in the development of fungal molecular techniques, and draws attention to potential and associated problems, as well as integrating theory and practice.
The Sirex woodwasp, Sirex noctilio, is the most important invasive alien insect pest of Pinus plantations in the Southern Hemisphere. It now also threatens pines in North America. This book brings together the worldwide knowledge of researchers from Universities and Government institutions, as well as forest industry practitioners that have worked on the pest. Importantly, it is the first comprehensive treatment of the subject since S. noctilio was discovered outside its native range around 1900. The book covers all aspects of the biology and management of S. noctilio, including aspects of the insects’ taxonomy, general life history, host-plant relationships, population dynamics, chemical ecology and symbiosis with the fungus Amylostereum areolatum. The book also contains a comprehensive synthesis of the history and current status of the pest and worldwide efforts to control it, including biological control, silviculture and quarantine.
A cumulative list of works represented by Library of Congress printed cards.
Since the arrival of Europeans about 500 years ago, an estimated 50,000 non-native species have been introduced to North America (including Hawaii). Non-native species figure prominently in our lives, often as ornamentals, sources of food or pests. Although many introduced species are beneficial, there is increasing awareness of the enormous economic costs associated with non-native pests. In contrast, the ecological impacts of non-native species have received much less public and scientific attention, despite the fact that invasion by exotic species ranks second to habitat destruction as a cause of species loss. In particular, there is little information about the ecological impacts of hyper-diverse groups such as terrestrial fungi and invertebrates. A science symposium, Ecological impacts of non-native invertebrates and fungi on terrestrial ecosystems, held in 2006, brought together scientists from the USA and Canada to review the state of knowledge in this field of work. Additional reviews were solicited following the symposium. The resulting set of review/synthesis papers and case studies represents a cross-section of work on ecological impacts of non-native terrestrial invertebrates and fungi. Although there is a strong focus on Canadian work, there is also significant presentation of work in the northern USA and Europe.