Biological control ppt. Biological Control; 70 Biological Control.


Biological control ppt NBAIR:National Bureau of Agricultural Insect Resources 2. to de Bach (1964), Biological control is, “the study of utilization of parasites , predators and pathogens for regulation of host population densities. M. But only single biological control or chemical control can’t be effective against this devastating pest. The present results indicate that kairomonal compounds from H. Jul 11, 2017 · 3. Biological control involves using living organisms to control pests. Slideshow 1448113 by griffin Aug 8, 2014 · Biological Control Sanford and Broadfoot, 1931 - first used “Biological Control” in plant pathology 40 bacteria, 24 fungi Organisms or culture filtrates in sterile soil Found organisms more effective against Gaeumannomyces graminis var. Feb 17, 2017 · 2. Mass production of biocontrol agents Liquid fermentation method Mix 30 gm molasses and 6gm Brewer’s yeast in 1 litre of water. So, modern IPM programme is developed principally based on natural enemies. Apr 24, 2017 · There are three basic strategies for biological control: importation, augmentation, and conservation. Biological control is often shortened to biocontrol. For instance, ladybugs are often introduced in agricultural fields to control aphid populations. In other word collecting and rearing of natural enemies in great numbers in the laboratories and releasing them on harmful insects, other animals and plants is known as biological control. McEvoy Ent 420/520 Insect Ecology Introduction Manipulating natural enemies for pest control by introducing, augmenting, or – A free PowerPoint PPT presentation (displayed as an HTML5 slide show) on PowerShow. • Pathogens: nematodes, viruses Biological control of mosquitoes using vertebrates has mostly focused on the role of larvivorous fish that consume the aquatic larval stage of mosquitoes . known as biological control. McEvoy Ent 420/520 Oregon State University Biological Pest Control Scope of weed biocontrol Historical highlights Stages in – A free PowerPoint PPT presentation (displayed as an HTML5 slide show) on PowerShow. Biological control definition • The "who": The natural enemies themselves that is to say predators, parasitoids and pathogens. Conservation • Prevention of existing natural enemies in an environment is the third m ethod of biological pest control. ,2011) • Biological control of arthropod pests has used for a long time traditionally in different crops, therefore it should be used with other compatible integrated pest management methods (Jonsson et al. NOTES: While using the Integrated Pest Management (IPM) approach, ALL control options should be considered – cultural, chemical and biological. Dec 31, 2013 · What is biological control, what are the benefits to its use Mechanism of biological control Requirements of successful biocontrol Working example of biocontrol. 1. Augmentation: It is the mass rearing and releasing of natural enemies to supplement the numbers of May 24, 2013 · Manipulating or introducing a predator into the ecosystem may provide sustained biological control of pest populations (Ayala et al. – First time use of insect predators, red ants ( Oecophylla smaragdina) by Chinese growers to control leaf chewing insects. to Shankaran & Nagarkatti (1976), “it is a simple method involving the use of living organisms to control injurious organisms or target species such as insects, mites, other harmful animals or they may be weeds or Feb 19, 2014 · Biological Pest Control. 1930s - control of prickly pear ( Opuntia spp. The three modules coming under biological control are Oct 10, 2020 · Control measures should be taken to reduce the incidence. anisopliae normally takes from 5 to 10 days to Enemies for Biological Control of Pest Insects Use of natural enemies to keep unwanted pest populations low Biological control • Predators: eat many prey in a lifetime, feeding both as young and as adults. Presenting our Biological Control Integrated Pest Management In Ppt Powerpoint Presentation Slide Templates Cpp PowerPoint template design. As a result, biological control is often more difficult to design and put into action than simply spraying pesticides (chemical control). All the Biological Control PowerPoint templates are natively built in PowerPoint, using placeholders on the slide master, color palettes, and other features in PowerPoint, and can contain layouts, theme colors, theme fonts, theme effects, background styles, and even content (according to Feb 23, 2018 · Table 02 : Antifungal activity of the plant (extract) against leaf blight of cabbage (Alternaria alternata) Plant Extract Control growth of Fungi (mm. armigera and C. Slideshow 1403878 by kory Sep 27, 2014 · 2. Here I focused on the direct mechanisms such as parasitism, predatism, antibiotic-mediated suppression, lytic enzymes and unregulated-waste products. 1762- Introduction of Indian mynah bird, Gracula religiosa from India to control red locust, Nomadacris septemfaciata. This method promotes ecological balance and minimizes environmental impact. Manipulation of biotic entities host and antagonistic microorganisms ; 1. tritici Suppressive soils are locations or sites where a disease decreases gradually over time under Sep 16, 2018 · Why we Need Biological control Agents • Chemical pesticides Implicated in environmental and human health problems I. Techniques include introduction, conservation, and augmentation of natural enemies. com - id: 3baef1-Zjg0M Jan 2, 2020 · Definition of biological control. History and development of biological control and classical examples of biological control May 7, 2021 · Biological control is the suppression of one organism by another. So by keeping Sep 2, 2021 · 7. Naturally there are several predators of these insect both as larvae and adults (Shannon & Paul , 2011). Zhang, K. *Accor. e. tolerance — plants are diseased, but they do not yield less than healthy plants. Examples include: 1. Other than the initial costs of collection, importation, and rearing, little expense is incurred. , 1991 24 In view of this, sustainable modes of agricultural practices offer better promise and hence are gaining prominence recently. The "what": The objective to achieve which can be prevention, reduction or delay of infestation. 4 Biological control definition Biological control can be defined as the use of natural enemies to reduce the damage caused by a pest population. Moreover, these methods have taken precedence currently over chemical-based methods of pest restriction and pathogen control. Competition with native spp. Not polluted III. • Inundative release involves releasing large numbers of natural enemies for immediate reduction of a damaging or near-damaging pest population. It is useful to share insightful information on Biological Control Integrated Pest Management This PPT slide can be easily accessed in standard screen and Mar 12, 2022 · Biological control is seen to offer several opportunities for improved disease control, especially where conventional approaches are limited or compromised. Adoption of Biological Control is one such crucial technique that is currently in the forefront. May 14, 2016 · Common agents used in biological control include predators, parasitoids, nematodes, protozoa, bacteria, fungi, and viruses. Their mechanisms of biocontrol include parasitism, competition, antibiosis, lysis, and inducing systemic resistance in plants. Introduction , augmentation and Conservation. Fungal biological control is an exciting and rapidly developing research area and there is growing attention in the exploitation of fungi for the control of nematodes (K. Dec 16, 2024 · Biological control refers to the use of living organisms, such as natural predators, parasites, pathogens, or competitors, to control pest populations and reduce the damage they cause to crops, plants, or other ecosystems. and other fungi) development in avocado. There are two modes of mechanisms namely direct and indirect. 2. SAUs and state governments through establishment of biocontrol laboratories International 1. Successful Examples. Jul 15, 2018 · Weed control methods These are grouped into cultural, physical, chemical and biological methods. Biological control provided by these living organisms is especially important for reducing the numbers of pest insects, mites and pathogens. 11 Biological control-II b. , 2001) 4 Biological Control 5 Predators. Many times a combination of these methods gives effective and economic control than a single method. BC is a tactic/approach that fits into an overall Insect Pest Management System (IPMS), and represents a potential ALTERNATIVE STRATEGY to combat with the insect pest damages to the agriculture & forestry ecosystems. Mosquitoes are flies in the insect family Culicidae. Over 3,000 species of mosquitoes are known to exist worldwide. Learn about the advantages, types and limitations of bio-pesticides and natural enemies for pest management. Community and ecosystem effects But the scientist believe that release of Biological control agents have good results Aug 13, 2024 · Biological control in food production involves using natural predators, parasites, or pathogens to manage pests, reducing the need for chemical pesticides. C. Biological control using pathogens is often called microbial control. Goal reduction of population sizes, not elimination Biological control is an effective and sustainable alternative or complement to conventional pesticides for fungal and bacterial plant disease management. It relies on Predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role. Importation involves introducing a pest's natural enemies into a new location. One very well-known microbial control agent that is available commercially is the bacterium Bacillus thuringiensis (Bt) Biological Control Basics Adapted from presentation by Bob O’Neil, Rob Wiedenmann, Farah Heraux, and Cliff Sadof Biological_Control. autoclave Inoculate 8mm mycelial discs of Trichoderma in medium Incubate for 10 days at room temperature Use for multiplication in the fermentor Prepare 50 lit of molasses + yeast medium and sterilize for 30 min in the Title: Biological Control Principles 1 Biological Control Principles 2 Natural Control 3 Biological ControlDefinition. Biological control of weeds is the deliberate use of natural enemies to reduce the density of a particular weed to a tolerable level The objective of biological weed control is not eradication but simply the reduction of the weed population to an economically low level In fact for biological control to be continuously successful, small numbers of the weed host must always be present to biological control, Bt is really an insecticide, used like an insecticide, and regulated like an insecticide, just that it isn’t produced from synthetic chemicals. Host specific IV. Leger, 1995; 1993). Natural bio- control often limited by factors - low plant diversity and its consequences for natural enemy populations - pesticide use or highly seasonal planting of field crops As pests enter crops early in the season and start to grow rapidly on abundant food, it is difficult for natural enemies to keep up with them Therefore, in order to create favourable situations for natural enemies Biological Control; 70 Biological Control. There are four basic types of control measures ; a. Biological control was originally defined “the action of parasites, predators, or pathogens in maintaining another organism’s population density at a lower average than would occur in their absence”. Biological control is the pest management tactic involving purposeful natural enemy manipulation to obtain reduction in a pest’s status. 1888- First successful control of insect cottony cushion scale ( Icerya purchasi) a pest of citrus in California by 37. potx file. Jul 3, 2016 · Title: Trichogrammatids in biological control 1 TRICHOGRAMMATIDS IN BIOLOGICAL CONTROL OF INSECT PESTS PRESENTATION Presented By Mandeep Rathee (2014A18D) 2 INTRODUCTION. This is a completely editable PowerPoint presentation and is available for immediate download. The topics discussed in these slides are Biological Control. For eig n and native or ganisms that attack weeds are being evaluated for use as biological control agents. Biological control definition Biological control can be defined as the use of natural enemies to reduce the damage caused by a pest population. Biological Pest Control--BPC. | PowerPoint PPT presentation | free to view BioControl Agents market: microbial and microbial are used as active substances for BioControl as active substance. 5 Mechanisms of biological control of plant pathogens Antibiosis – inhibition of one organism by another as a result of diffusion of an antibiotic Antibiotic production common in soil-dwelling bacteria and fungi Example: zwittermicin A production by B. ” *Accor. One very well-known microbial control agent that is available commercially is the bacterium Bacillus thuringiensis (Bt) Apr 16, 2022 · 3. PPT 6. Apr 10, 2021 · 2. Fish predation of mosquito larvae has been recorded in many habitats, from small plastic containers [ 41 ] to complex natural ecosystems, including coastal wetland environments [ 42 ]. NCIPM:National Centre for Integrated Pest Management 3. Natural Control. Because of their bloodsucking habits, mosquitoes are prone to vector and transmit disease-causing organisms such as viruses (e. Although these two strategies have different goals and ways in which they work, there are strong commonalities and thus they are usually jointly What is Biological Control? Biological control (or “biocontrol”) is a pest management strategy that can benefit both conventional and organic agriculture. B. Download now and impress your audience. unableto reach the apical meristems until very late stages of the disease free cuttings for creating new healthy plants. Non-toxic to human and animal II. 01 - METHODS OF PEST CONTROL - PPT 6. Aug 14, 2018 · 13. Mar 14, 2018 · 7. Resistance has been defined in many other ways since Van der Plank, including systems based on: epidemiologic effects, number of genes involved, how long the resistance lasts under field conditions; additional terms you should be familiar with are: i. ,2008). It discusses (1) the mechanisms of biological control including predation, parasitism, competition and antibiosis by fungi, bacteria, nematodes, mites, and other organisms, (2) the modes of action of common biological control agents like fungi, bacteria, protozoa, and predatory nematodes, and (3) the advantages Feb 5, 2020 · Several organisms are known to be antagonistic against plant parasitic nematodes. ppt Author: Sarah Cox Oct 16, 2018 · • The main groups of insect disease-causing organisms are insect-parasitic bacteria, fungi, protozoa, viruses, and nematodes. Sep 2, 2021 · The document discusses classical biological control, which involves importing natural enemies from their native habitats to control invasive pest populations in new environments. hand picking to remove insects 2. How does it work?. The "who": The natural enemies themselves that is to say predators, parasitoids and pathogens. dengue, equine Jan 2, 2020 · Biological control of plant pathogens. 39 Basic biological control theories There is a high diversity and complexity of theories and models in biological control that try to understand the biology of natural enemies and their impact on host (prey) population dynamics. The term biological control was first used by Smith 1919 to signify the use of natural enemies. The molecular and biochemical bases of pathogenicity of M. What is it? Biological Pest Control is a way of controlling pests and diseases in agriculture that relies on natural predation rather than chemicals . Augmentation involves supplemental releases of natural enemies to boost populations. Biological control of mosquitoes is an important component. Apr 10, 2017 · 19. This PowerPoint slide showcases five stages. Biological control or biocontrol is a method of controlling pests such as insects, mites, weeds and plant diseases uses other organism. It can be an important component of integrated pest management (IPM) programs. Importation Biological control Non-target impacts In classical biological program exotic spp. Oct 16, 2012 · Biological control is the use of parasites, predators or pathogens (disease-causing organisms) to help control pests ranging from nematodes to weeds to vertebrates. Alongside the use of disease-resistant cultivars, biological control is seen to have an important role in integrated pest management strategies aimed at reducing the use of chemical pesticides. What is biological control? . “The use of living organisms to suppress the population of a specific pest organism, making it less abundant or less damaging than it would otherwise be” (Eilenberg et al. The mechanisms of biological control include competition for resources between beneficial microbes and pathogens, antibiosis where beneficial microbes secrete antibiotics, predation of pathogens, and parasitism of pathogens. Distribute 60 ml in each conical flask. Jan 2, 2020 · Biological control is an approach that fits into an overall pest management program, and represents an alternative to pesticides. It has received more attention recently. Toxic to both beneficial and pathogenic species • Biological control agents I. | PowerPoint PPT presentation | free to view Title: Biological Control 1 Biological Control. fumigation with HCN. They can control pathogens through antibiosis, nutrient competition, and destructive mycoparasitism. Control of undesirable organisms through exposure to natural herbivores, predators, or pathogens (i. Biological control can also be defined as the utilization of natural enemies toreduce the damage caused by noxious organisms to tolerable levels. Insecticides • Biological • Bacillus thuringiensis (Bt) • Nematodes 10. Jul 17, 2020 · 5. • Parasitoids: specialized insects that develop as a young in one host, eventually killing it. A presentation on biological control of insect pests in organic agriculture, with definitions, theories, approaches, agents, techniques and examples. tc. Orr. ladybugs to control aphids ; Ultimate aim is to reduce dependence on chemicals ; Today emphasis on microorganisms ; Bacillus thuringiensis for insect control ; Several Pseudomonas species for control of bacterial and Nov 4, 2015 · This document summarizes biological control of nematodes using various organisms. As it shows resistance to every class of insecticides, its control is most difficult job. • This type of control is similar to that obtained through the use of pesticides since the mortality of the pest is basically immediate and there is no prolonged interaction of the populations. D. Biological Control Introduction and management of selected natural enemies of a weed. Overview. Many believe that most landscape plants can “defend” themselves from most pests if the plants are given proper care – suitable location, nutrition and food. ) by Cactoblastis cactorum. The process by which densities of populations are maintained in nature is referred to as "natural control". Biological Control. May 19, 2020 · The significance of an array of compounds from moth scales with kairomonal activity for manipulating entomophagous insects in biological control programme . NIPHM:National Institute for Plant Health Management 4. Jan 3, 2023 · 2. Biological Control Definition. Jun 14, 2017 · 15. Biological control of weeds includes insects and pathogens. January 1888 biological control gains support. McKinney in 1929 to have potential for biological control of plant viruses. when nectar producing crop plants are grown in the borders of rice fields. Biological control is often shortened to biocontrol. The microorganisms used are BCAs. Natural enemies of insect pests, also known as biological control agents, include predators, parasitoids, and pathogens. Then,it speedsupandreach carrying capacity,a maximumnumberof a species, tobecomes stabilize. Biological control Biological control can also be defined as the utilization of natural enemies to reduce the damage caused by noxious organisms to tolerable levels. May 7, 2020 · 3. Biological Control of Weeds Peter B. Feb 19, 2016 · 6. By enhancing the role of natural enemies, the negative impact of a pest on a crop is reduced. Similarly, certain fungi or bacteria can target specific crop pests Jun 20, 2020 · 3. Require yearly treatments and expensive II. Some of the most intensively studied biological control agents are bacteria that can use Classical Biological Control (Pages 115-137) Cottony cushion scale in California (Pages 115-117) Complex and nasty personal and scientific battles raged as several control efforts failed, e. with the help of these various direct mechanisms, the bio-control agents will compete the pathogen's activity. Nov 28, 2016 · 4. IOBC: International Organization for This guide emphasizes the biological control of insects but biological control of weeds and plant diseases is also included. 3. No single method is successful under all weed situations. anisopliae, which causes green muscardine disease, have been particularly well studied (St. Biological control practices involve 3 major techniques ,i. Slideshow 9395424 by rwerner Nov 21, 2011 · The Plant Disease Triangle. Mar 5, 2014 · This document discusses biological control of plant diseases. – PEDIGO Natural enemies are living organisms found in the nature that kills insects outright, weakens them and thereby contribute to their premature death or reduce their reproductive potential. Or BPC for short…. Legislative and regulatory control ; d. Jun 5, 2012 · The second and third major ways to use biological control, inoculative and inundative biological control, both involve releasing biological control agents without the goal of permanent establishment. Enemies for Biological Control of Pest Insects Use of natural enemies to keep unwanted pest populations low Biological control • Predators: eat many prey in a lifetime, feeding both as young and as adults. g. • Inoculative biocontrol: Begin with a small number and allows the natural enemy population to increase Biological Control of Insects Peter B. In IDM, recent days, biological control taken upper position in control of plant diseases due to harmful effects of fungicide application and also their easy commercial multiplication and cheaper cost. [1] It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role. PHYSICAL METHODS OF PEST CONTROL Institutions are working for the biological Control National 1. INTRODUCTION BIOLOGICAL CONTROL:- Biological Control is the study and utilization of parasitoids, predators and pathogens for the regulation of pest population densities. . V. Need for Biological Control in India The production of food grain should increase to 250 million tones by the year 2020 in Mar 21, 2017 · 11. Biocontrol When weeds run amok! Not the total solution but – A free PowerPoint PPT presentation (displayed as an HTML5 slide show) on PowerShow. Take home message: Microorganisms, whether indigenous or introduced are an important component of the environment. A PowerPoint template is a pattern or blueprint for your slides that you save as a . the next trophic level) Primarily used on non-native species or in agricultural situations; 2 Biological Control. | PowerPoint PPT presentation Feb 9, 2022 · 17. Only effect one or few species Oct 16, 2012 · Biological Control Principles. cephalonica moth scales increased parasitization when applied over target sites Ananthakrishnan et al. Classical biological control is long lasting and inexpensive. Upon emergence wasps exit through holes in capsule wall. Plant pathologists refer to cross protection for control of plant viruses as biological control. H. pptx or . Jan 16, 2014 · What is biological control, what are the benefits to its use Mechanism of biological control Requirements of successful biocontrol Working example of biocontrol. 02. Breeding and use of resistant varieties Apr 13, 2018 · Insect Pest Control Methods - Download as a PDF or view online for free. ppt Author: Sarah Cox Biological Control Basics Adapted from presentation by Bob O’Neil, Rob Wiedenmann, Farah Heraux, and Cliff Sadof Biological_Control. What is biological control, what are the benefits to its use Mechanism of biological control Requirements of successful biocontrol Working example of biocontrol. In general we can say that the May 21, 2020 · Biological control or biocontrol is a method of controlling pests such as insects, mites, weeds and plant diseases using other organisms. May 6, 2020 · 1. As a we ed mana gement method, biolog ical control offers an environmentally friendly approach . Control of plant pathogens and diseases caused by them through antagonistic microorganisms is termed as BIOLOGICAL CONTROL. Example : both field and postharvest applications of Bacillus subtrlis and B. Fungi The broad host range of some entomopathogenic fungi, such as Beauveria bassiana and Metarhizium anisopliae, is an attractive characteristic for insect pest control. Biological control ; b. . Cultural control (includes physical control) c. Sep 17, 2018 · 7. Biological control can refer to the augmentation of native natural enemy populations as well as the introduction of Jan 5, 2017 · Diamondback moth is most devastating pest of cole-crops. ) 24 hours 72 hours Aegle marmelos (Bael) Acetone 08 16 Methanol 07 12 n-Hexane 10 20 Control 14 33 Carica papaya (Papaya) Acetone 10 19 Methanol 09 22 n-Hexane 11 23 Control 14 33 Mentha arvensis Sep 30, 2020 · 4. INTRODUCTION • Biological control is the regulation of pest populations by the activity of natural enemies (NE) (predators, parasitoids and pathogens) (Perdikis et al. HISTORY OF BIO-CONTROL 900 A. The use of bacterium-based biological control agents (BCAs) will be supportive if used as a part of an integrated management system. Apr 5, 2017 · Biological control of plant pathogens involves using beneficial microorganisms to suppress disease-causing pathogens. Biological control is an approach that fits into an overall pest management program, and represents an alternative to pesticides. • A tactic to be used in isolation from other IPM approaches . Every method of weed control has its own advantages and disadvantages. com - id: 6ddb6d-YjU4M natural biological control, biological control initiatives were also purposefully taken up, wherein populations of natural enemies such as predatory and parasitic insects, weed insects, and microbials were manipulated by human beings to manage undesirable insects, weeds, and diseases. Trichoderma fungi are commonly used as biological control agents against soilborne fungal pathogens. Host resistance - control based on the genes and the resistance Pest Control Market Expected to Reach 22. D. , 2007). -Q. com - id: 4635ae-N2VhZ Oct 10, 2020 · Control measures should be taken to reduce the incidence. Photo by D. Mosquitoes can be found in a wide variety of habitats/breeding sites forming gutter, refuse dump, stagnant waters, e. As usual,the growthis fairyslow atfirst. • Involves identifying any factors that limit the effectiveness of the natural enemies of the pest and changing these limiting factors to help the beneficial species • E. As a we ed mana gement method, biolog ical control offers an environmentally friendly approach A Trichocap opened to show eggs parasitized by Trichogramma brassicae. Biological control research and implementation is even mor e re le vant t oday. , 2001). Riley led USDA Division of Entomology and the pro-biological control faction. licheniforrnts suppress anthracnose (caused by Colletotrichum gloeo sponoides) and stem end rot (caused by Dothiorella spp. Hyde, 2014). Integrated disease management plays very important role in reduction of disease inoculum. Introduction or classical biological control: It is deliberate introduction and establishment of natural enemies to a new locality where they did not occur or originate naturally. are used so there is possibility for non –target impacts. When a natural enemy is successfully established it rarely requires additional input and it continues to kill the pest with no direct help from humans and at no cost. Under these conditions, most pests have parasites, predators or pathogens that keep Dec 24, 2020 · The terms “biological control” and its abbreviated synonym “biocontrol” have been used in different fields of biology, most notably entomology and plant pathology. Jan 12, 2017 · It defines biological control as using living organisms to reduce plant pathogen populations and disease incidence. g. Categories of Bio-control Agents(NEs): Parasites Oct 16, 2018 · • The main groups of insect disease-causing organisms are insect-parasitic bacteria, fungi, protozoa, viruses, and nematodes. Biological control of insect pests Biological control can be defined as the use of natural enemies to reduce the damage caused by a insect pest populations. Use of living organisms to reduce disease due to competition or antagonism ; i. Biological methods: Plantdisease may be controlled biologically by selecting and breedingplants for resistance to particular pathogens or by usingsome other micro-organismswhich are either antagonistic to the pathogens itself. cereus against Phytophthora root rot in alfalfa PowerPoint presentation slides: Presenting this set of slides with name Biological Control Ppt Powerpoint Presentation Ideas Example Introduction. It is an environmentally friendly alternative to chemical pesticides, focusing on leveraging natural processes to maintain balance in nature. Disadvantages include narrow effectiveness and high start-up expenses. The use of living organisms to suppress the population of a specific pest organism, making it less abundant or less damaging than it would otherwise be (Eilenberg et al. Impacts of Importation biological control agents Predation or parasitism of non target spp. Some advantages are that it is specific to pests and cheaper after initial costs. Biological controlReduction of the amount of inoculum or disease-producing activity of a pathogen accomplished by or through one or more organisms other than humans. What is biological control?. Chemical control; 4 Biological control. Christine Roath. Jul 5, 2016 · This guide emphasizes the biological control of insects but biological control of weeds and plant diseases is also included. In Western Europe, almost two decades of intensive research resulted in the commercial marketing of three products utilizing the European native, Trichogramma brassicae Bezdenko, to suppress the European corn borer, Ostrina nubilalis Hübner, in May 27, 2020 · These biological control agents have advantages like being low cost, safe for the environment and humans, and providing protection throughout the plant's life. Currently there are about 85 genera in the world (Viggiani, 2001) In India, many species of Trichogramma and Trichogrammatoidea have been used in enemy to control a pest marked the birth of biological control. 374 views • 23 slides Jun 21, 2019 · 2. 04 Billion USD by 2021 - Pest Control Market categorizes the Global Market by Type (Chemical Control, Mechanical Control, Biological Control), Pest Type (Insects, Termites, Rodents, Wildlife), Application (Commercial, Industrial, Residential, Agricultural), and Region. 01 - METHODS OF PEST CONTROL Mechanical Pests are controlled by non-chemical direct measures. Feed on all Biological control is a complex pest management strategy that requires a comprehensive understanding of the ecology and behavior of pests and natural enemies. Types of biological control: • Augmentive biological control- • Adding natural enemies, either where they are not present, or are present in small number. yzqy ajr ckki sntw azi trjh ktee dgxlws nfejqb kyrwn