PPT-CHEMICAL CONTROL OF INSECTS

HISTORY USE OF INSECTICIDE BEGAIN IN 18501860 AGAINST POTATO BEETLE PARIS GREEN WAS USED AGAINST BEETLE HISTORY BETWEEN 19001940 FLOURINE COMPOUND AND PLANT DERIVED INSECTICIDES WERE DEVELOPED. Mainly for control reasons the neutralization is usually performed in several steps mixing tanks with gradual change in the concentration The aim is to give recommendations for issues like tank sizes and number of tanks Assuming strong acids and bas The presence of infestation in or around a store can contaminate food in storage and make it unfit for human consumption.. The type of infestation due to the presence of insects, fleas, cockroaches , rodents etc. High . Quality . Commercial Predators. Norm . Leppla & Ken Johnson. University of Florida/IFAS. IPM Florida. ESA-SEB Annual Conference . 2010. Quality Control for Predators. IOBC. to facilitate and advance cost-effective rearing of high quality insects and other arthropods in support of biological control and integrated pest management. 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 . Ignaz. . Semmelweis. and Joseph Lister developed the first microbial control methods.. Mid 1800s. Before aseptic surgical techniques ~10% of all deaths were due to nosocomial infections. Delivering mothers as high as 25% death rate. Chapter 1:. A Fable For Tomorrow. The book begins by describing a pristine ecosystem in which farms are prosperous, the seasons change beautifully, magnificent plants and flowers bloom, and birds and other species are abundant. This sets the scene of a utopic natural community. Then, an epidemic strikes the town that kills all the organisms that inhabit it and render it barren and “silent.” The only hint of the source of the catastrophe is a white granular powder. It is explained that this town is fictional, yet is based on the disastrous occurrences of real places. The chapters ends by saying the book will explain why these misfortunes are happening.. Plant Defence Systems. Plants are . sessile. , i.e. they can’t move from place to place.. They need some defences against herbivores that might want to eat them, and against pathogens.. Plants counter these by both physical and chemical defences.. Lesson 1 – Insect Classification and Taxonomy. Lesson 2 – Insect Life Cycles. Lesson 3. . – Insects: Knowing Their Roles. Lesson 4 – . Insects: What’s in Their Mouths. Lesson 5 – . Insect Adaptations . Quality Control . Norm Leppla. University of Florida. Entomology and Nematology. Department. . . Norm’s Career in Insect Rearing. University of Arizona- Insect rearing research, 2 years (pink bollworm, . CHEMICAL HAZARDS: Pesticides. Dr. Emilia . Zainal. . Abidin. Department . of Environmental and Occupational Health, Faculty of Medicine and Health Sciences. 2012. Contents of lecture. What are pesticides?. Plant Science 280. Mr. Gomes. Herbicides. Defined as “a chemical substance or cultured organism used to kill or suppress the growth of plants.”. Designed to disrupt the physiology of plants over a long enough period of time to kill them or severely reduce their growth. Pesticides Pesticides Any chemical, natural or human-made , that is designed to kill another organism. Definitions Using that broad definition There are hundreds of thousands of pesticides in the natural environment. 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 . . . CAUSES OF PLANT INJURY. . BIOTIC AGENTS . – These are _________ organisms. . that can ___________ plants.. Ex. Insects, _________, fungus,. . bacteria, and _________ .