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| Author | : Om Prakash Gupta |
| Publisher | : |
| Total Pages | : 456 |
| Release | : 1978 |
| Genre | : Herbicides |
| ISBN | : |
Abont weeds; Weed prevention and control-principles and practices; Herbicide chemistry and action; Weed control recommendations.
| Author | : O.P. Gupta |
| Publisher | : |
| Total Pages | : 421 |
| Release | : 1978 |
| Genre | : |
| ISBN | : |
| Author | : O P Gupta |
| Publisher | : |
| Total Pages | : 615 |
| Release | : 2011 |
| Genre | : Herbicides |
| ISBN | : 9788177544251 |
This grossly updated fourth edition of Modern Weed Management is a unique review of the sample material that reflects the fast emerging issues in weed science research eg, concerns about our environmental safety in the use of herbicides; the changing patterns of weed species dominance; the development of herbicide resistance in races within the weed species; genetic engineering leading to purposeful induction of herbicides resistance in crops; and the like. What sets this book apart from the other valuable ones on the subject is the fact that the entire research and development pathway is presented in an orderly manner, with proper brevity.
| Author | : Bhagirath Chauhan |
| Publisher | : Elsevier |
| Total Pages | : 433 |
| Release | : 2021-09-04 |
| Genre | : Science |
| ISBN | : 0128229357 |
Weeds are the main biological constraint to crop production throughout the year. Uncontrolled weeds could cause 100% yield loss. In Australia, the overall cost of weeds to Australian grain growers was estimated at AU$ 3.3 billion annually. In terms of yield losses, weeds amounted to 2.7 million tonnes of grains at a national level. In the USA, weeds cost US$ 33 billion in lost crop production annually. In India, these costs were estimated to be much higher (US$ 11 billion). These studies from different economies suggest that weeds cause substantial yield and economic loss. Biology and Management of Problematic Weed Species details the biology of key weed species, providing vital information on seed germination and production, as well as factors affecting weed growth. These species include Chenopodium album, Chloris truncata and C. virgate, Conyza bonariensis and C. canadensis, Cyperus rotundus, and many more. This information is crucial for researchers and growers to develop integrated weed management (IWM) strategies. Written by leading experts across the globe, this book is an essential read to plant biologists and ecologists, crop scientists, and students and researchers interested in weed science. Provides detailed information on the biology of different key weed species Covers weed seed germination and emergence Presents the factors affecting weed growth and seed production
| Author | : I. Okezie Akobundu |
| Publisher | : John Wiley & Sons |
| Total Pages | : 560 |
| Release | : 1987 |
| Genre | : Herbicides |
| ISBN | : |
Excessive weed growth is one of the most serious problems facing farmers throughout the tropics. There is a need for professionally trained weed scientists to become involved in research at the highest level, where existing technologies can be further developed and new ones generated.
| Author | : Thomas J. Monaco |
| Publisher | : John Wiley & Sons |
| Total Pages | : 688 |
| Release | : 2002-05-23 |
| Genre | : Technology & Engineering |
| ISBN | : 0471274968 |
The updated edition of the classic, fundamental book on weedscience Weed Science provides a detailed examination ofthe principles of integrated weed management with important detailson how chemical herbicides work and should be used. This revisedFourth Edition addresses recent developments affecting weedscience. These include the increased use of conservation-tillagesystems, environmental concerns about the runoff of agrochemicals,soil conservation, crop biotechnology, resistance of weeds andcrops to herbicides, weed control in nonagricultural settings andconcerns regarding invasive plants, wetland restoration, and theneed for a vastly improved understanding of weed ecology. Current management practices are covered along with guidance forselecting herbicides and using them effectively. To serve as a moreefficient reference, herbicides are cross-listed by chemical andbrand name and grouped by mechanism of action and physiologicaleffect rather than chemical structure. In addition, an introductionto organic chemistry has been added to familiarize readers withorganic herbicides. Also included are guidelines on weed-controlpractices for specific crops or situations, such as small grains,row crops, horticultural crops, lawns and turf, range land, brush,and aquatic plant life. Generously supplemented with 300 drawings, photographs, andtables, Weed Science is an essential book for students taking anintroductory course in weed science, as well as a reference foragricultural advisors, county agents, extension specialists, andprofessionals throughout the agrochemical industry.
| Author | : Robert Zimdahl |
| Publisher | : Academic Press |
| Total Pages | : 465 |
| Release | : 2012-12-02 |
| Genre | : Technology & Engineering |
| ISBN | : 0323149421 |
Fundamentals of Weed Science provides an introduction to the basic principles of weed science for undergraduate courses. It discusses several aspects of weed biology and control, and traces the history of herbicide development. The book begins with an introduction to weeds, covering their definition, characteristics, harmful aspects, and the cost of weed control. This is followed chapters on weed classification, the uses of weeds, weed biology, weed ecology, allelopathy, the significance of plant competition, weed management and control methods, and biological weed control. Later chapters deal with herbicidesthe most important weed control tools and the ones with the greatest potential for untoward effects. Students of weed science must understand herbicides and the factors governing their use as well as the potential for misuse. These chapters discuss chemical weed control, the properties and uses of herbicides, factors affecting herbicide performance, herbicide application, herbicide formulation, ecological impact of herbicides, pesticide registration and legislation, weed management systems, and the future of weed science.
| Author | : Robert L. Zimdahl |
| Publisher | : John Wiley & Sons |
| Total Pages | : 235 |
| Release | : 2007-11-19 |
| Genre | : Technology & Engineering |
| ISBN | : 0470290102 |
For the past 20 years, the first edition of this text has been widely cited as authoritative academic reference. The latest edition continues the tradition set by the original book, and covers weed science research that has been published since 1980. This book aims to reduce the instance of research duplication—saving scientists and supporting institutions time and money. Not only does the second edition of Weed Crop Competition review, summarize, and combine current research; it critiques the research as well. This text has the potential to accelerate advancements in weed crop competition, which remains an important factor that affects crop yields. Scientists in foreign countries where access to literature is often limited or nonexistent, will find the information in this text invaluable. Weed scientists, crop scientists, plant ecologists, sustainable agriculturists, and organic agriculturists will be well-pleased with this long overdue and much needed new editionWeed Crop Competition provides a unique reference that reviews, summarises and synthesizes the literature published concerning research on this topic. The first edition has been one of the most frequently cited sources in weed science for the past 20 years. The second edition covers the significant body of literature that has been published since 1980. Originally intended to survey existing research, the intent of the book is to reduce the instance of research duplication, thus saving scientists and their institutions time and money, and expediting advancements in weed crop competition, an important factor affecting crop yields. Scientists in foreign countries where access to the literature is often limited or non-existent, find the information an invaluable resource. This long overdue and much needed new edition rejuvenates the tradition set by the original book.
| Author | : John Cardina |
| Publisher | : Cornell University Press |
| Total Pages | : 297 |
| Release | : 2021-09-15 |
| Genre | : Nature |
| ISBN | : 1501758993 |
Lives of Weeds explores the tangled history of weeds and their relationship to humans. Through eight interwoven stories, John Cardina offers a fresh perspective on how these tenacious plants came about, why they are both inevitable and essential, and how their ecological success is ensured by determined efforts to eradicate them. Linking botany, history, ecology, and evolutionary biology to the social dimensions of humanity's ancient struggle with feral flora, Cardina shows how weeds have shaped—and are shaped by—the way we live in the natural world. Weeds and attempts to control them drove nomads toward settled communities, encouraged social stratification, caused environmental disruptions, and have motivated the development of GMO crops. They have snared us in social inequality and economic instability, infested social norms of suburbia, caused rage in the American heartland, and played a part in perpetuating pesticide use worldwide. Lives of Weeds reveals how the technologies directed against weeds underlie ethical questions about agriculture and the environment, and leaves readers with a deeper understanding of how the weeds around us are entangled in our daily choices.
| Author | : Robert E. Paull |
| Publisher | : CABI |
| Total Pages | : 408 |
| Release | : 2011 |
| Genre | : Science |
| ISBN | : 1845936728 |
This book examines economically important horticultural crops selected from the major production systems in temperate, subtropical and tropical climatic areas. The general aspects of the tropical climate, fruit production techniques, tree management and postharvest handling and the principal tropical fruit crops that are common in temperate city markets are discussed. The taxonomy, cultivars, propagation and orchard management, biotic and abiotic problems and cultivar development of these fruit crops are also highlighted.
