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Report On The Froghopper Blight Of Sugar Cane In Trinidad 1921 Vol 1 Classic Reprint
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Book Synopsis The Economic Importance of Insects by : Dennis S. Hill
Download or read book The Economic Importance of Insects written by Dennis S. Hill and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last few decades there has been an ever-increasing component in most BSc Zoology degree courses of cell biology, physiology and genetics, for spectacular developments have taken place in these fields. Some aspects of biotechnology are now also being included. In order to accommodate the new material, the old zoology courses were altered and the traditional two-year basis of systematics of the animal kingdom, comparative anatomy (and physiology) and evolution, was either severely trimmed or reduced and presented in an abridged form under another title. Soon after these course alterations came the swing to modular teaching in the form of a series of shorter, separate courses, some of which were optional. The entire BSc degree course took on a different appearance and several different basic themes became possible. One major result was that in the great majority of cases taxonomy and systematics were no longer taught and biology students graduated without this basic training. We field biologists did appreciate the rising interest in ecology and environ mental studies, but at the same time lamented the shortage of taxonomic skills, so that often field work was based on incorrect identifications. For years many of us with taxonomic inclinations have been bedevilled by the problem of teaching systematics to undergraduates. At a guess, maybe only 5% of students find systematics interesting. It is, however, the very basis of all studies in biology - the correct identification of the organism concerned and its relationships to others in the community.
Book Synopsis New Strategies in Locust Control by : Stephan Krall
Download or read book New Strategies in Locust Control written by Stephan Krall and published by Springer Science & Business Media. This book was released on 1997-12-01 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the late eighties large-scale control operations were carried out to control a major desert locust upsurge in Africa. For the first time since the banning of organochlorine pesticides these operations relied mainly on non-persistent pesticides such as organophosphates and pyrethroids. The amount of pesticides sprayed and the area covered were probably the highest in the history of locust control and raised criticism with respect to efficacy, economic viability and environmental impact. As a consequence, applied research into the problem was intensified, both at the national and the international level, with the goal of finding new and environmentally sound approaches and solutions to locust and grasshopper control. Emphasis was laid on developing new control agents and techniques.
Book Synopsis Pests of Crops in Warmer Climates and Their Control by : Dennis S. Hill
Download or read book Pests of Crops in Warmer Climates and Their Control written by Dennis S. Hill and published by Springer Science & Business Media. This book was released on 2008-07-16 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a textbook providing basic data about the crop pests and the damage they inflict throughout the tropics and sub-tropics. Each major pest is illustrated by either a line drawing or a photograph, and sometimes the damage can also be seen. A world distribution map is provided for each species. Control measures tend to be general rather than very specific. Most of the pests are insects and mites, but some nematodes, molluscs, birds and mammals are included.
Book Synopsis Atlas of Entomopathogenic Fungi by : Robert A. Samson
Download or read book Atlas of Entomopathogenic Fungi written by Robert A. Samson and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological insecticides are competing more and more with traditional chemical pesticides. A successful application of natural pathogens requires a better understanding of both fungal and insect ecology and physiology. This Atlas provides a comprehensive overview of these fields and includes the taxonomy of those species of fungi which are proven pathogens. Biotechnological methods for the genetic modification of these natural pathogens resulting in further optimization and the advantages of biological control are discussed.
Download or read book Trichier written by Alessandra Ceretto and published by Lulu.com. This book was released on with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Crossword Solver written by Anne Stibbs and published by Bloomsbury Pub Limited. This book was released on 2000 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: An aid to solving crosswords. It contains over 100,000 potential solutions, including plurals, comparative and superlative adjectives, and inflections of verbs. The list extends to first names, place names and technical terms, euphemisms and compound expressions, as well as abbreviations.
Book Synopsis Advisory Work in Crop Pest and Disease Management by : Josef Palti
Download or read book Advisory Work in Crop Pest and Disease Management written by Josef Palti and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advisory work, by its very nature, is an intermediary between the re search worker and those who apply the results of his research. The challenge of advisory work is to devise means of and find pathways for transmitting research results to the user, overcome the reluctance of the latter to change, and often combine novel ideas with well-estab lished traditions. Nowhere is this challenge greater than in farming. This is especially true in developing countries, where the gap in the educational level between research workers and farmers may be ex tremely wide. Moreover, village-level advisers are often overburdened with non-professional functions and are not sufficiently backed up by well-trained professional advisers. Thus, in many of these countries there is a serious discrepancy between the knowledge available and that needed and actually applied on the farm. Advisory work in crop protection is no exception, but profits to some extent from two facts: (1) because of the potentially catastrophic nature of pest attack, governments often operate a supervisory crop protection service, the staff of which may be able to dispense some pest control advice; and (2) the staff of pesticide distributors tends to fill, at least in part, the need for advice on how to fight pests and dis eases with chemicals.
Book Synopsis Agricultural Entomology by : Dennis S. Hill
Download or read book Agricultural Entomology written by Dennis S. Hill and published by Timber Press. This book was released on 2009 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt: A global view of the insect groups that are of major significance to worldwide agriculture in its widest sense. It is intended for use as a college text and presupposes a basic knowledge of entomology. All the main insect groups and many of the important genera are illustrated with hundreds of black-and-white photographs and line drawings.
Book Synopsis The Trichomycetes by : Robert W. Lichtwardt
Download or read book The Trichomycetes written by Robert W. Lichtwardt and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Associations and interactions between species of organisms are phenomena shared by all living things. What varies is the extent to which the more long-lasting interactions are beneficial or destructive to a given species and the degree of intimacy and reliance which one organism may have developed in association with another. Many of the more highly evolved relationships that have been studied involve microorganisms, either in consort with other microorganisms or with so-called higher forms of life. Mycologists are rarely surprised-but often fascinated-by the variety of kinds of living substrates and specialized organismal relationships that evolutionary processes have produced among the fungi. The present book deals in some detail with the specialized dependence of a unique group of fungi, the trichomycetes, upon certain arthropods. There has been no comprehensive and worldwide treatment of the tri chomycetes since their discovery by Joseph Leidy in 1848. The literature is scattered and in several languages, and many articles are now not only a bit old but out of date as well. As in many areas of biology, our knowledge about trichomycetes has increased somewhat exponentially in recent years.
Book Synopsis Fundamental and Applied Aspects of Invertebrate Pathology by : Robert A. Samson
Download or read book Fundamental and Applied Aspects of Invertebrate Pathology written by Robert A. Samson and published by . This book was released on 1986 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on the Froghopper-blight of Sugar Cane in Trinidad by : Carrington Bonsor Williams
Download or read book Report on the Froghopper-blight of Sugar Cane in Trinidad written by Carrington Bonsor Williams and published by . This book was released on 1921 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report on the Froghopper-Blight of Sugar Cane in Trinidad by : Carrington Bonsor 1889- Williams
Download or read book Report on the Froghopper-Blight of Sugar Cane in Trinidad written by Carrington Bonsor 1889- Williams and published by Palala Press. This book was released on 2016-05-04 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Vegetable Wasps and Plant Worms by : Mordecai Cubitt Cooke
Download or read book Vegetable Wasps and Plant Worms written by Mordecai Cubitt Cooke and published by . This book was released on 1892 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Advances in Entomology by : A. D. Imms
Download or read book Recent Advances in Entomology written by A. D. Imms and published by Palala Press. This book was released on 2018-02-20 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis Les Insectes by : Louis Félix Henneguy
Download or read book Les Insectes written by Louis Félix Henneguy and published by . This book was released on 1904 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epidemiology and Plant Disease Management by : Jan C. Zadoks
Download or read book Epidemiology and Plant Disease Management written by Jan C. Zadoks and published by Oxford University Press, USA. This book was released on 1979 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monicyclic processes in epidemiology; Relations in epidemiologic processes; The environment epidemiologic processes; Ecological concepts in plant pathology; Polycyclic processes, Host population, pathogens populations, pathosystems, disease and crop loss assessment, matters os scale; Pathosystem management, agro-ecosystems: mand and plant disease, epidemiology and plant disease mangement; The way ahead.
Book Synopsis Insects and Mites of Western North America by : Edward Oliver Essig
Download or read book Insects and Mites of Western North America written by Edward Oliver Essig and published by . This book was released on 1958 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt:
