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A Study On The Thysanoptera Of The Aberystwyth District
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Book Synopsis Annals of the Entomological Society of America by :
Download or read book Annals of the Entomological Society of America written by and published by . This book was released on 1966 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Virus Epidemiology written by and published by Elsevier. This book was released on 2006-12-15 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published since 1953, Advances in Virus Research covers a diverse range of in-depth reviews providing a valuable overview of the current field of virology. In 2004, the Institute for Scientific Information released figures showing that the series has an Impact Factor of 2.576, with a half-life of 7.1 years, placing it 11th in the highly competitive category of Virology.* Edited by an experienced plant pathologist who has over 50 years experience in plant virus epidemiology* Covers topics such as Evolutionary epidemiology of plant virus disease, The control of tropical plant virus diseases, and Control of plant virus diseases* A valuable resource for students and researchers alike
Book Synopsis Tef - Eragrostis Tef (Zucc.) by : Seyfu Ketema
Download or read book Tef - Eragrostis Tef (Zucc.) written by Seyfu Ketema and published by Bioversity International. This book was released on 1997 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vegetation Dynamics written by R. Knapp and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the International Botanical Congress in Edinburgh, 1964, Mrs. 1. M. WEISBACH-J UNK of The Hague discussed a plan for preparation by her publishing company (Dr. W. Junk b.v.) of an international Handbook of Vegetation Science. She proposed a series that should give a comprehensive survey of the varied directions within this science, and their achievements to date as well as their objectives for the future. The challenge of such an enterprise, and its evident value for the further development of vegetation research, induced the undersigned after some consideration to accept the offer of the honorable but also burdensome task of General Editor. The decision was encouraged by a well formulated and detailed outline for the Handbook worked out by the Dutch phytosociolo gists J. J. BARKMAN and V. WESTHOFF. A circle of scholars from numerous countries was invited by the Dr. Junk Publishing Com pany to The Hague in January 1966 to draw up a list of editors and contributors for the parts of the Handbook. The outline and list have served since for the organization of the Handbook, with no need for major change. The different burdens of editors and authors have compelled quite different timings for completion of the individual sections.
Download or read book Annals of Applied Biology written by and published by . This book was released on 1965 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Invasions written by John H. Brock and published by . This book was released on 1997 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis National Agricultural Library Catalog by : National Agricultural Library (U.S.)
Download or read book National Agricultural Library Catalog written by National Agricultural Library (U.S.) and published by . This book was released on 1966 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Retrospective Index to Theses of Great Britain and Ireland, 1716-1950: Life sciences by :
Download or read book Retrospective Index to Theses of Great Britain and Ireland, 1716-1950: Life sciences written by and published by . This book was released on 1975 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Encyclopedia of Plant Viruses and Viroids by : K. Subramanya Sastry
Download or read book Encyclopedia of Plant Viruses and Viroids written by K. Subramanya Sastry and published by Springer. This book was released on 2019-12-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Plant Viruses and Viroids provides an up-to-date information on the viruses and viroids infecting all types of cultivated and weed plants at global level; and is unique among plant virology texts as it is organized alphabetically by the genus name of the host plant infected. It allows the reader to readily determine all of the different viruses currently reported naturally infecting the plant genus and species. Information is provided for each virus and viroids on common synonyms, current taxonomic status, geographical distribution, symptoms induced, other known hosts, means of transmission and properties of both the virus particles and the genome. Where ever the same virus is known to infect multiple hosts, host-specific information, biological properties and genome characters are presented under each host affected. The index can be utilized to identify other crops infected by the same virus, showing which other crops might be at risk of infection in the event of introduction of a virus that has not previously reported in an area, or which might serve as potential virus reservoirs for infection of more sensitive or economically important crops than the host in which it is initially identified. The taxonomy and nomenclature of the viruses and viroids are followed based on the current guidelines of the 10th ICTV Report, covering up to 2018 and also about many new viruses and viroids that have been reported but not yet recognized as species by ICTV, have been included in this Encyclopedia. The uniqueness of this Encyclopedia is that all the known viruses and viroids affecting more than 1010 plant species at global level are described and the plant species are arranged in alphabetical order of the scientific name of the plant along the relevant information on 1518 viruses and viroids and is the ready-reckoner of the global plant species and their viruses and viroids for students, scientists, teachers of Plant Pathology& Virology; and also for the crop protection professionals, agricultural policymakers, seed companies and quarantine agencies.
Download or read book Helminthological Abstracts written by and published by . This book was released on 1932 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Disease Resistance in Crop Plants by : Shabir Hussain Wani
Download or read book Disease Resistance in Crop Plants written by Shabir Hussain Wani and published by Springer. This book was released on 2019-07-24 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human population is escalating at an enormous pace and is estimated to reach 9.7 billion by 2050. As a result, there will be an increase in demand for agricultural production by 60–110% between the years 2005 and 2050 at the global level; the number will be even more drastic in the developing world. Pathogens, animals, and weeds are altogether responsible for between 20 to 40 % of global agricultural productivity decrease. As such, managing disease development in plants continues to be a major strategy to ensure adequate food supply for the world. Accordingly, both the public and private sectors are moving to harness the tools and paradigms that promise resistance against pests and diseases. While the next generation of disease resistance research is progressing, maximum disease resistance traits are expected to be polygenic in nature and controlled by selective genes positioned at putative quantitative trait loci (QTLs). It has also been realized that sources of resistance are generally found in wild relatives or cultivars of lesser agronomic significance. However, introgression of disease resistance traits into commercial crop varieties typically involves many generations of backcrossing to transmit a promising genotype. Molecular marker-assisted breeding (MAB) has been found to facilitate the pre-selection of traits even prior to their expression. To date, researchers have utilized disease resistance genes (R-genes) in different crops including cereals, pulses, and oilseeds and other economically important plants, to improve productivity. Interestingly, comparison of different R genes that empower plants to resist an array of pathogens has led to the realization that the proteins encoded by these genes have numerous features in common. The above observation therefore suggests that plants may have co-evolved signal transduction pathways to adopt resistance against a wide range of divergent pathogens. A better understanding of the molecular mechanisms necessary for pathogen identification and a thorough dissection of the cellular responses to biotic stresses will certainly open new vistas for sustainable crop disease management. This book summarizes the recent advances in molecular and genetic techniques that have been successfully applied to impart disease resistance for plants and crops. It integrates the contributions from plant scientists targeting disease resistance mechanisms using molecular, genetic, and genomic approaches. This collection therefore serves as a reference source for scientists, academicians and post graduate students interested in or are actively engaged in dissecting disease resistance in plants using advanced genetic tools.
Book Synopsis National Agricultural Library Catalog, 1966-1970: Names by : National Agricultural Library (U.S.)
Download or read book National Agricultural Library Catalog, 1966-1970: Names written by National Agricultural Library (U.S.) and published by . This book was released on 1973 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Butterflies written by Carol L. Boggs and published by University of Chicago Press. This book was released on 2003-07 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Butterflies: Ecology and Evolution Taking Flight, the world's leading experts synthesize current knowledge of butterflies to show how the study of these fascinating creatures as model systems can lead to deeper understanding of ecological and evolutionary patterns and processes in general. The twenty-six chapters are organized into broad functional areas, covering the uses of butterflies in the study of behavior, ecology, genetics and evolution, systematics, and conservation biology. Especially in the context of the current biodiversity crisis, this book shows how results found with butterflies can help us understand large, rapid changes in the world we share with them—for example, geographic distributions of some butterflies have begun to shift in response to global warming, giving early evidence of climate change that scientists, politicians, and citizens alike should heed. The first international synthesis of butterfly biology in two decades, Butterflies: Ecology and Evolution Taking Flight offers students, scientists, and amateur naturalists a concise overview of the latest developments in the field. Furthermore, it articulates an exciting new perspective of the whole group of approximately 15,000 species of butterflies as a comprehensive model system for all the sciences concerned with biodiversity and its preservation. Contributors: Carol L. Boggs, Paul M. Brakefield, Adriana D. Briscoe, Dana L. Campbell, Elizabeth E. Crone, Mark Deering, Henri Descimon, Erika I. Deinert, Paul R. Ehrlich, John P. Fay, Richard ffrench-Constant, Sherri Fownes, Lawrence E. Gilbert, André Gilles, Ilkka Hanski, Jane K. Hill, Brian Huntley, Niklas Janz, Greg Kareofelas, Nusha Keyghobadi, P. Bernhard Koch, Claire Kremen, David C. Lees, Jean-François Martin, Antónia Monteiro, Paulo César Motta, Camille Parmesan, William D. Patterson, Naomi E. Pierce, Robert A. Raguso, Charles Lee Remington, Jens Roland, Ronald L. Rutowski, Cheryl B. Schultz, J. Mark Scriber, Arthur M. Shapiro, Michael C. Singer, Felix Sperling, Curtis Strobeck, Aram Stump, Chris D. Thomas, Richard VanBuskirk, Hans Van Dyck, Richard I. Vane-Wright, Ward B. Watt, Christer Wiklund, and Mark A. Willis
Book Synopsis Agroforestry by : Jagdish Chander Dagar
Download or read book Agroforestry written by Jagdish Chander Dagar and published by Springer. This book was released on 2018-04-06 with total page 869 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agroforestry (AF) is a dynamic, ecologically based, natural resources management system that, by integrating trees on farms, ranches, and in other landscapes, diversifies and increases production and promotes social, economic, and environmental benefits for land users. Further, it is receiving increasing attention as a sustainable land-management option worldwide because of its ecological, economic, and social attributes. Advances have been achieved by building on past research accomplishments and expanding AF’s stakeholder base, which now includes private/public partnerships, communities, ecologists, farmers, indigenous peoples, and policymakers in both temperate and tropical countries. AF has now been recognized as a valuable problem-solving approach to ensuring food security and rebuilding resilient rural environments. Recent studies have shown that more than 1 billion hectares of agricultural land have more than 10% tree cover. Of this area, 160 million hectares have more than 50% tree cover. Agricultural ecosystems can be further improved through AF to achieve environmental restoration, greater farm productivity, and key ecological services, including climate change mitigation and adaptation for improved rural livelihood. In fact, it is largely considered synonymous with climate smart agriculture and a remedy for many modern environmental challenges. Consequently, AF’s knowledge base is being expanded at a rapid rate, as illustrated by the increasing number and quality of scientific publications on various forms and different aspects of AF. This book offers state-of-the-art information on the fundamental concepts and history of AF and its evolution as a science, presenting a wealth of advanced research results and evaluations relating to different aspects of AF. Accordingly, it will be useful for a broad readership, including students, foresters, farmers, local communities, indigenous peoples, civil society institutions, media, policymakers and the general public.
Book Synopsis Bibliography of Helminthology by : Commonwealth Bureau of Helminthology
Download or read book Bibliography of Helminthology written by Commonwealth Bureau of Helminthology and published by . This book was released on 1932 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Sugar Beet Crop written by D.A. Cooke and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 683 pages. Available in PDF, EPUB and Kindle. Book excerpt: D.A. Cooke and R.K. Scott Sugar beet is one of just two crops (the other being sugar cane) which constitute the only important sources of sucrose - a product with sweeten ing and preserving properties that make it a major component of, or additive to, a vast range of foods, beverages and pharmaceuticals. Sugar, as sucrose is almost invariably called, has been a valued compo nent of the human diet for thousands of years. For the great majority of that time the only source of pure sucrose was the sugar-cane plant, varieties of which are all species or hybrids within the genus Saccharum. The sugar-cane crop was, and is, restricted to tropical and subtropical regions, and until the eighteenth century the sugar produced from it was available in Europe only to the privileged few. However, the expansion of cane production, particularly in the Caribbean area, in the late seventeenth and the eighteenth centuries, and the new sugar-beet crop in Europe in the nineteenth century, meant that sugar became available to an increasing proportion of the world's population.
Download or read book Nature written by Sir Norman Lockyer and published by . This book was released on 1928 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: