Download or read book Sea lavender rust and mildew written by J.C. Zadoks and published by BRILL. This book was released on 2023-08-28 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Curious biological phenomena occur where land and sea alternate at low and high tides. Large crop-like populations of the perennial sea lavender (Limonium vulgare) appear and disappear over the years. Such vegetations are of great beauty, especially at bloom, and form a tourist attraction. Despite the extreme physical conditions they teem with life, among which are fertilising insects and fungi which cause plant disease. This book describes how long-lived sea lavender populations come and go, and how the fungal diseases "rust" and "mildew" may contribute to their going. The temporal and spatial distributions of rust and mildew epidemics are described. The annual cycle and the perennation of the rust (Uromyces limonii) are studied in detail. The unusual but important roles of sea water in the dispersal of the host plant and of its rust are sketched. The possible function of differential host resistance and of differential rust virulence is indicated. Data on the biology of sea lavender mildew (Erysiphe limonii) suggest that mildew and rust differ in lifestyle. Tolerance of sea lavender plants to rust and mildew is heritable and important, but does it last forever? Some theoretical implications for botany and phytopathology are tentatively discussed, especially the role of equilibrium or homoeostasis. However, the main focus of the book is on the facts collected in the salt marshes of the barrier island Terschelling, in the north of the Netherlands. This book with about 100 tables and some 100 figures provides new information of importance to botanists, plant pathologists, population biologists and general ecologists.
Download or read book Rust Smut Mildew Mould written by Mordecai Cubitt Cooke and published by . This book was released on 1886 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Epidemiology and Plant Ecology written by Jos Frantzen and published by World Scientific. This book was released on 2007 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: What makes the book so compelling is that it includes a thorough review of available experimental and empirical evidence for all the processes described. The author is also consistent in pointing out missing knowledge, and identifies numerous instances where experimentation is necessary to bridge the gaps between empiricism and theory. The examples, and the knowledge hiatuses, are an immense contribution, and will serve well as teaching aids and to stimulate, design, and implement further research.
Download or read book Index of Plant Diseases in the United States written by United States. Agricultural Research Service. Crops Research Division and published by . This book was released on 1960 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook supersedes Department bulletin 1366, "A check list of diseases of economic plants in the United States," issued in 1926. It replaces the processed report, "Index of Plant Diseases in the United States," issued in six parts, from 1950 to 1953. The Handbook does not constitute a revision of the "Index," issued from 1950 to 1953. There are no real changes in content. Condensation of the introductory explanation, and some minor changes, mainly in the host descriptions, to permit better arrangement of the printed page, are the most conspicuous differences from the original "Index."
Download or read book Agriculture Handbook written by and published by . This book was released on 1949 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Download or read book Long term Experiments in Agricultural and Ecological Sciences written by Rothamsted Experimental Station and published by Oxford University Press, USA. This book was released on 1994 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book demonstrates that long-term experimentation and monitoring are vitally important in understanding changes that are occurring in the environment and the way they interact with agriculture and natural ecosystems. Chapters are based on papers presented at a conference held in July 1993, to celebrate the 150th anniversary of Rothamsted Experimental Station. During these 150 years of agricultural research a unique set of field experiments have run continuously for all or most of that time. These experiments, originally set up to study the nutrient requirements of arable crops, now provide a unique resource that is relevant to sustainability, environmental impact and climatic change. The book consists of 22 chapters and covers a wide range of topics including descriptions of various long-term experiments in the USA, Australia, Eastern Europe and Africa, as well as studies at Rothamsted. It will interest a very wide range of readers in agronomy, soil science, forestry, ecology and environmental science.
Download or read book The Family Cyclopaedia being a manual of useful and necessary knowledge alphabetically arranged comprising all the recent inventions discoveries and improvements in domestic economy agriculture and chemistry etc written by James JENNINGS (of Huntspill.) and published by . This book was released on 1822 with total page 1458 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Durable Resistance in Crops written by F. Lamberti and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant diseases and pests are a major constraint to agricultural production despite the various measures used to control them. Chemical control, although often e~~ective, may pose environmental hazards and is relatively expensive, especially in developing countries where it may be completely uneconomic. Control through genetically mediated resistance to diseases and pests, is both cheap and environmentally sa~e and at present most diseases and pests o~ staple ~ood crops are controlled through some form of resistance. One of the basic problems in the use of resistance is its ~re quent lack of durability; very often a type of resistance is used that 'breaks down' after a certain period. The temporary nature of this resistance, due to the development of new strains of pest or pathogen able to overcome it, has seriously hindered the improvement o~ the yield potential of many crops as a continuing effort is needed to replace old cultivars who resistance has failed, with new ones. Following Vanderplank's now classical publications (1963, 1968) which differentiated horizontal and vertical resistance, studies on several host-parasite systems have shown that di~ferent types of resistance can be distinguished genetically and epidemiologically, and on the ability o~ the pests or pathogens to adapt to them. A knowledge of how resistance operates at the population level has also opened up possibilities of 'managing' relatively simple resistance types in such a way that a stable host-pathogen system can be pro duced with a minimum of crop loss.
Download or read book Check List of Plant Diseases in the Coastal Areas of British Columbia written by Canada. Dominion Laboratory of Plant Pathology and published by . This book was released on 1945 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vegetation between land and sea written by A.H.L. Huiskes and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was composed in honour of Dr. Ir. W. G. Beeftink to commemorate his retirement as a plant ecologist at the Delta Institute for H ydrobiological Research, Yerseke, The Netherlands. The editors' main aim has been to collect scientific papers of Wim Beeftink's friends and colleagues. The title of the book: 'Vegetation between land and sea. Structure and processes' was originally proposed by Prof. Dr. W. H. O. Ernst. It was amended by Prof. Dr. J. J. Barkman. In our judgement it reflects the best attempt to cover the numerous and divergent contributions under one heading. Not all papers however fit the "field" covered by the title, and we use this word both literally and metaphorically. We are glad and proud that so many authors went through the strain of the production of a paper, ill' most cases not scheduled, with eagerness. Due to the fact that Wim Beeftink has so many close friends in the field of plant ecology, this fiber amicorum covers a wide range of disciplines covered, in turn, by a great variety of people. The papers range from taxonomy to experimental physiology, from fungi to seed plants, from autecology to synsystematics. Environmental pollution and management studies are also included. The contents of the papers depict Wim's personal evolution as a botanist. Retired professors as well as students are amongst the authors, heads of departments as well as technicians. It proves Wim's ability to be of one mind with all ranks.
Download or read book Transactions written by Norfolk and Norwich Naturalists' Society and published by . This book was released on 1926 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Study of Plant Galls in Norfolk written by Rex Hancy and published by . This book was released on 2000 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Adventure Dragons of the Neverland written by James Hood and published by AuthorHouse. This book was released on 2016-10-19 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultra-clandestine Open Water Exploration Company realized it possessed the means to conduct viable space travel in 1973, without spaceships or having to travel into outer space! They created a machine-generated, macro-electromagnetic door into an accidently-discovered parallel reality and sent an expedition to see what is on the other side! A macro-electromagnetic field generated in open ocean allowed Expedition ships to literally float from our reality to a parallel, Alternate World, separated from ours by master macro-electromagnetic frequencies. The ships behaved like TV characters walking from one channel to another! AdventureDragons of the Neverland picks up the exciting story of the ultra-clandestine Open Water Exploration Companys first Expedition into the Alternate World, as and even just before the first book, AdventureInto The Neverland ends while preparing and launching Expedition 2 continuing the environment of suspense and adventure, triumphs and tragedies experienced by readers of Adventure--Volume 1.
Download or read book Literature of Place written by Melanie Louise Simo and published by University of Virginia Press. This book was released on 2005 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In Literature of Place Melanie Simo looks beyond crowded malls and boarded-up storefronts on Main Street to our collective memory, finding answers to these questions in stories, novels, memoirs, poetry, essays, diaries, travel writing, and nature writing that range in origin from New England and the Southern Highlands to Hawaii and in subject from little gardens to lost or reinhabited places in cities, mill towns, deserts, and woodlands. In her consideration of selected American works from 1890 to 1970 - years that mark the closing of the Western frontier and later openings in space exploration, environmental protection, genetic engineering, and cyberspace - Simo uncovers a literature of place and the often-surprising relationship of place to our daily lives."--BOOK JACKET.
Download or read book Annual Report of the Canadian Plant Disease Survey written by Canada. Botany and Plant Pathology Division and published by . This book was released on 1956 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Annual Report on the Prevalence of Plant Diseases in the Dominion of Canada written by Plant Research Institute (Canada) and published by . This book was released on 1959 with total page 986 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Annual Report of the Canadian Plant Disease Survey written by and published by . This book was released on 1956 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt:
