Behavior Of Pesticides In Plants

Author : L. A. Norris
Publisher : Unknown
Page : 10 pages
File Size : 54,5 Mb
Release : 1974
Category : Pesticides
ISBN : MINN:31951D02964447M

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Behavior of Pesticides in Plants by L. A. Norris Pdf

"A number of chemicals of diverse characteristics have arbitrarily been classed together on the basis of their use and given the descriptive name "pesticides." An unfortunate aura of mystery has developed about these chemicals. However, there is nothing unique or mysterious about the chemicals we refer to as "pesticides." Like other chemicals, they have properties which can be accurately measured; they obey all the laws of physics, chemistry, and biology. Chemical and physical properties of a pesticide and interacting environmental factors determine the behavior of pesticides. Behavior in turn dictates the ultimate fate of the pesticide (16). To predict behavior, we need to measure the chemical and physical properties of the pesticide and the environment. With these data and the laws of physics, chemistry, and biology, we can attack the problem of predicting what happens to a chemical in the environment. Our freedom to continue using pesticides depends on our ability to understand and predict their behavior in the environment. In this paper I will consider the bases of chemical behavior and the behavior of pesticides in plants."

Author : Irene Scheunert,H. Parlar
Publisher : Springer
Page : 144 pages
File Size : 47,8 Mb
Release : 1992-01
Category : Pesticide residues in food
ISBN : 3540542388

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Terrestrial Behavior of Pesticides by Irene Scheunert,H. Parlar Pdf

Contents: I. Scheunert, Neuherberg, FRG: Physical and Physico-Chemical Processes Governing the Residue Behavior of Pesticides in Terrestrial Ecosystems.- Transformation and Degradation of Pesticides in Soil.- Fate of Pesticides in Plants and in Soil Fauna.- H. Parlar, Kassel, FRG: Mechanism for the Behavior of Pesticides on Surfaces.

Author : Gilbert Spencer Hartley,I. J. Graham-Bryce
Publisher : Unknown
Page : 542 pages
File Size : 45,7 Mb
Release : 1980
Category : Science
ISBN : WISC:89030620173

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Physical Principles of Pesticide Behaviour by Gilbert Spencer Hartley,I. J. Graham-Bryce Pdf

Volume 1: Dosage and response; Solubility, partition and adsorption; Principles of diffusion and flow; Chemical transformation; Behaviour in soil and other porous granular materials; Behaviour of pesticides in air; Pesticides in aquatic situations; Coverage and spreading; Permeation. Volume 2: Relatorio of permeation to toxicity; Penetration of pesticides into higher plants; Penetration of pesticides into insects and fungi; Effects of growth and movement of organisms on interception of pesticides; Application and formulation.

Author : Francis A. Gunther
Publisher : Springer
Page : 169 pages
File Size : 46,9 Mb
Release : 1971-04-06
Category : Science
ISBN : 1461584604

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Residue Reviews/Rückstandsberichte by Francis A. Gunther Pdf

That residues of pesticide and other "foreign" chemicals in food stuffs are of concern to everyone everywhere is amply attested by the reception accorded previous volumes of "Residue Reviews" and by the gratifying enthusiasm, sincerity, and efforts shown by all the in dividuals from whom manuscripts have been solicited. Despite much propaganda to the contrary, there can never be any serious question that pest-control chemicals and food-additive chemicals are essential to adequate food production, manufacture, marketing, and storage, yet without continuing surveillance and intelligent control some of those that persist in our foodstuffs could at times conceivably endanger the public health. Ensuring safety-in-use of these many chemicals is a dynamic challenge, for established ones are continually being dis placed by newly developed ones more acceptable to food technologists, pharmacologists, taxicologists, and changing pest-control requirements in progressive food-producing economies. These matters are of genuine concern to increasing numbers of governmental agencies and legislative bodies around the world, for some of these chemicals have resulted in a few mishaps from improper use. Adequate safety-in-use evaluations of any of these chemicals per sisting into our foodstuffs are not simple matters, and they incorporate the considered judgments of many individuals highly trained in a variety of complex biological, chemical, food technological, medical, pharmacological, and toxicological disciplines.

Author : M. Sonia Rodríguez-Cruz,M. Jesús Sánchez-Martín
Publisher : Springer Nature
Page : 380 pages
File Size : 42,7 Mb
Release : 2022-02-07
Category : Science
ISBN : 9783030905460

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Pesticides in Soils by M. Sonia Rodríguez-Cruz,M. Jesús Sánchez-Martín Pdf

This book reviews the occurrence and fate of pesticides in soils, their impact on soil quality and soil ecosystems, and it also provides a comprehensive overview of the latest prevention and remediation strategies of soil contamination. Chapters from expert contributors cover topics such as soil pollution monitoring, the role of dissolved organic matter on the environmental fate of pesticides in soils, the effects of pesticides on soil microbial communities, plant uptake of pesticides from soils, and nano-based pesticides. Particular attention is given to the latest physicochemical and biological technologies developed to immobilize or degrade pesticides, preventing soil and water pollution. Given its scope, the book will appeal to researchers, professionals, including environmental chemists, engineers, ecologists, and policy-makers responsible for soil management.

Author : Mohammed Mansour
Publisher : CRC Press
Page : 301 pages
File Size : 51,6 Mb
Release : 2018-02-06
Category : Technology & Engineering
ISBN : 9781351080453

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Fate And Prediction Of Environmental Chemicals In Soils, Plants, And Aquatic Systems by Mohammed Mansour Pdf

Fate and Prediction of Environmental Chemicals in Soils, Plants, and Aquatic Systems focuses on the chemical persistence and ecotoxicological behavior of pesticides in soil, water, and plants. The book examines recent developments in research on various substances and relays information regarding transport, adsorption, absorption, accumulation, degradation, biological effects, toxicity to aquatic organisms, air pollution, exposure, and risk estimation. Leading international scientists present their advances in analytical methodology and instrumentation in the fields of agrochemicals and environmental chemistry. This useful review of data, methods, and principles will benefit environmental researchers, managers, biologists, chemists, pharmacologists, and others interested in assessing the potential for contamination of soil, air, water, and plants.

Author : Prabhu L. Pingali,Pierre A. Roger
Publisher : Int. Rice Res. Inst.
Page : 678 pages
File Size : 49,7 Mb
Release : 1995-09-30
Category : Business & Economics
ISBN : 9780792395218

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Impact of Pesticides on Farmer Health and the Rice Environment by Prabhu L. Pingali,Pierre A. Roger Pdf

The book covers the various aspects of the use of pesticides, their behavior, degradation, and impacts in wetland ricefields, and presents the results of surveys conducted in the Philippines and Thailand. It includes both bibliographic reviews and selected aspects of the experimental results of a research project on pesticide impacts in wetland ricefields. The first phase of the `Pesticide Impact' project was developed in the Philippines from 1989 to 1991. It was a multidisciplinary/collaborative approach involving scientists from IRRI, NRI (England), ORSTOM (France), UPLB (Philippines) who studied the effects of pesticides on the environment and on farmers' health, and the economical aspects of their use.

Author : V. Freed
Publisher : Springer Science & Business Media
Page : 386 pages
File Size : 54,7 Mb
Release : 2013-03-09
Category : Science
ISBN : 9781468428629

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Environmental Dynamics of Pesticides by V. Freed Pdf

Pesticides have played a significant role in increasing food production, and in view of growing worldwide food demand we can expect the use of these chemicals to increase. However, some of them have found their way into the biosphere and have been classi fied as persistent toxic chemicals. This has resulted in serious concern about environmental contamination. Since we are going to continue using chemicals, we should learn more about such aspects as their transport in the environment, the relationship of their physical-chemical properties to transport, their persistence in the biosphere, their partitioning in the biota, and toxicological and epidemiological forecasting based on physical-chemical properties. Environmental chemodynamics is the name given to a subject which deals with some of the above topics, utilizing the principles of such disciplines as chemistry, physics, systems analysis, modelling, engineering, and medical and biological sciences. To ensure the safety of the environment, we must know more about the chemodynamical behavior of pesticides and related chemi cals. The purpose of the symposium "Environmental Dynamics of Pes ticides" was to explore the concept of chemodynamics as applied to pesticides and thus may help in developing the emerging field of environmental chemodynamics. The symposium was held during the l37th National American Chemical Society Meeting at Los Angeles, California, during April, 1974. The three sessions in the sym posium were chai'red by Drs. V.H. Freed, D.G. Crosby, and R. Haque.

Author : Mohammed Mansour
Publisher : CRC Press
Page : 304 pages
File Size : 40,7 Mb
Release : 1993-06-16
Category : Technology & Engineering
ISBN : 0873716167

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Fate And Prediction Of Environmental Chemicals In Soils, Plants, And Aquatic Systems by Mohammed Mansour Pdf

Fate and Prediction of Environmental Chemicals in Soils, Plants, and Aquatic Systems focuses on the chemical persistence and ecotoxicological behavior of pesticides in soil, water, and plants. The book examines recent developments in research on various substances and relays information regarding transport, adsorption, absorption, accumulation, degradation, biological effects, toxicity to aquatic organisms, air pollution, exposure, and risk estimation. Leading international scientists present their advances in analytical methodology and instrumentation in the fields of agrochemicals and environmental chemistry. This useful review of data, methods, and principles will benefit environmental researchers, managers, biologists, chemists, pharmacologists, and others interested in assessing the potential for contamination of soil, air, water, and plants.

Author : M. Hascoet,Hannes Schuepp,E. Steen
Publisher : Unknown
Page : 340 pages
File Size : 43,6 Mb
Release : 1985
Category : Agricultural chemicals
ISBN : WISC:89031274343

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Behaviour and side effects of pesticides in soil by M. Hascoet,Hannes Schuepp,E. Steen Pdf

Author : National Research Council,Commission on Life Sciences,Board on Environmental Studies and Toxicology,Board on Agriculture and Natural Resources,Committee on the Future Role of Pesticides in US Agriculture
Publisher : National Academies Press
Page : 325 pages
File Size : 43,8 Mb
Release : 2000-11-02
Category : Technology & Engineering
ISBN : 9780309172943

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The Future Role of Pesticides in US Agriculture by National Research Council,Commission on Life Sciences,Board on Environmental Studies and Toxicology,Board on Agriculture and Natural Resources,Committee on the Future Role of Pesticides in US Agriculture Pdf

Although chemical pesticides safeguard crops and improve farm productivity, they are increasingly feared for their potentially dangerous residues and their effects on ecosystems. The Future Role of Pesticides explores the role of chemical pesticides in the decade ahead and identifies the most promising opportunities for increasing the benefits and reducing the risks of pesticide use. The committee recommends R&D, program, and policy initiatives for federal agriculture authorities and other stakeholders in the public and private sectors. This book presents clear overviews of key factors in chemical pesticide use, including: Advances in genetic engineering not only of pest-resistant crops but also of pests themselves. Problems in pesticide useâ€"concerns about the health of agricultural workers, the ability of pests to develop resistance, issues of public perception, and more. Impending shifts in agricultureâ€"globalization of the economy, biological "invasions" of organisms, rising sensitivity toward cross-border environmental issues, and other trends. With a model and working examples, this book offers guidance on how to assess various pest control strategies available to today's agriculturist.

Author : Smithsonian Science Information Exchange
Publisher : Unknown
Page : 376 pages
File Size : 44,8 Mb
Release : 1972
Category : Pesticides
ISBN : UOM:39015046263383

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A Catalog of Research in Aquatic Pest Control and Pesticide Residues in Aquatic Environments by Smithsonian Science Information Exchange Pdf

Author : Francisco Sánchez-Bayo, Paul J. van den Brink, Reinier M. Mann
Publisher : Francisco Sanchez-Bayo
Page : 288 pages
File Size : 44,6 Mb
Release : 2011-09-09
Category : Nature
ISBN : 9781608051212

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Ecological Impacts of Toxic Chemicals by Francisco Sánchez-Bayo, Paul J. van den Brink, Reinier M. Mann Pdf

Ecological Impacts of Toxic Chemicals presents a comprehensive, yet readable account of the known disturbances caused by all kinds of toxic chemicals on both aquatic and terrestrial ecosystems. Topics cover the sources of toxicants, their fate and distribution through the planet, their impacts on specific ecosystems, and their remediation by natural systems. Each chapter is written by well-known specialists in those areas, for the general public, students, and even scientists from outside this field. The book intends to raise awareness of the dangers of chemical pollution in a world dominated by industry and globalization of resources. Because the problems are widespread and far reaching, it is hoped that confronting the facts may prompt better management practices at industrial, agricultural and all levels of management, from local to governmental, so as to reduce the negative impacts of chemical contaminants on our planet.

Author : Smithsonian Science Information Exchange
Publisher : Unknown
Page : 1472 pages
File Size : 40,9 Mb
Release : 1972
Category : Environmental protection
ISBN : OSU:32435027850288

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Environmental Protection Research Catalog: Indexes by Smithsonian Science Information Exchange Pdf

Author : National Research Council,Division on Earth and Life Studies,Commission on Life Sciences,Committee on Pesticides in the Diets of Infants and Children
Publisher : National Academies Press
Page : 402 pages
File Size : 40,8 Mb
Release : 1993-02-01
Category : Science
ISBN : 9780309048750

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Pesticides in the Diets of Infants and Children by National Research Council,Division on Earth and Life Studies,Commission on Life Sciences,Committee on Pesticides in the Diets of Infants and Children Pdf

Many of the pesticides applied to food crops in this country are present in foods and may pose risks to human health. Current regulations are intended to protect the health of the general population by controlling pesticide use. This book explores whether the present regulatory approaches adequately protect infants and children, who may differ from adults in susceptibility and in dietary exposures to pesticide residues. The committee focuses on four major areas: Susceptibility: Are children more susceptible or less susceptible than adults to the effects of dietary exposure to pesticides? Exposure: What foods do infants and children eat, and which pesticides and how much of them are present in those foods? Is the current information on consumption and residues adequate to estimate exposure? Toxicity: Are toxicity tests in laboratory animals adequate to predict toxicity in human infants and children? Do the extent and type of toxicity of some chemicals vary by species and by age? Assessing risk: How is dietary exposure to pesticide residues associated with response? How can laboratory data on lifetime exposures of animals be used to derive meaningful estimates of risk to children? Does risk accumulate more rapidly during the early years of life? This book will be of interest to policymakers, administrators of research in the public and private sectors, toxicologists, pediatricians and other health professionals, and the pesticide industry.