PPT-Organophosphorus Insecticides Toxicity

4 th stage Assistant lecturer Shahad Saldeen Department of pharmacology and toxicology May2021 Introduction Pesticide is a common term that comprise several classes of insecticides herbicides fungicides rodenticides wood preservatives garden chemicals and household disinfectants that are used to kill or protect from pests. . Intro to Applied Entomology, Lecture 19. I. Soil-applied & seed-treatment insecticides. Soil-applied for residual control:. Applied to kill insects in treated soil at time of application and for a period up to several weeks later; incorporated (at least lightly) or injected to mix with soil. Pyrethroid Insecticides. Derived from natural product --. Pyrethrum. Found in . Chrysanthemum . cinerarifolium. Synthetic . pyrethroids. Variable in structure, toxicity. Generally. . benign environmentally. Learning Objectives. 1. Describe what information is located on an insecticide label.. 2. Distinguish how insecticide toxicity is measured.. 3. Describe what certifications are required for pesticide applicators.. Learning Objectives. 1. . Define pesticides.. 2. Distinguish when an insect is considered a pest.. 3. Identify the different types of pesticides.. 4. Describe the mode of action for different types . Chemical . Mixtures. Thomas Backhaus. University of Gothenburg. thomas.backhaus@dpes.gu.se. Chemical Mixtures. Mixtures of toxic chemicals. Aquatic Ecosystems. Ecotoxicology. Focus. PREDICT. BEAM. ACE. . KWWOA. April 09, 2014. Department for Environmental Protection. Environmental & Public Protection Cabinet. To Protect and Enhance Kentucky’s Environment. 2. Whole Effluent Toxicity . The aggregate toxic effect of an effluent measured directly by a toxicity test.. http://www.ewg.org/skindeep. /. . Christine . Girtain. Toms River HS South. NJESTA Board Member. http://www.njesta.org/. . cgirtain@trschools.com. . Myth – . FDA promptly recalls any product that injures people. Environmental Fate and Toxicity. An initial recommendation: Be fair and cautious in what analogies you use to represent low concentrations .... Dr. Moneen M. Jones. •. Mackay notes that many people like to portray low concentrations of chemicals as negligible by using analogies that minimize ... . Note: Adapted from internet resources including . ppts. , . pdfs. , . wikipedia. , research papers and books. carbaryl. HISTORY. Esters of methyl and . dimethylcarbamic. acid [. CHaHNC. (O)OH and (. Pesticides. M.Sc. II semester Zoology. PESTICIDES. Historical Background. A pesticide is any substance intended for preventing, destroying, repelling or mitigating any pest. . They are usually define according to the pest they are intended for: insecticides, fungicides, . Title:Toxicopathology. Course No.: . VPP-609. Unit-II. DR. KAUSHAL KUMAR. Assistant Professor & Head. Department of Veterinary Pathology. Bihar Veterinary College, BASU. Insecticides.  are substances used to kill . Dr. . Kumari. . Anjana. Assistant Professor. Deptt. . of Veterinary Pharmacology & Toxicology. Bihar Veterinary College, Bihar Animal Sciences University, Patn. a. Content of the chapter . Introduction. Dr. Keshav Singh. Department of Zoology. D.D.U Gorakhpur University. Introduction. The . chemical control . is the control strategy of insects that make use of . natural . or synthetic chemicals that cause directly the death, repulsion, or . insecticides. on aquatic ecosystems. David Somogyvári (david.somogyvari@gmail.com). PhD . student. . University of Pannonia, . Department. of . Limnology. , Veszprém . Centre . for. . Ecological.