2. The damage is often easier to detect. Adults can cause major damage by chewing the bases of plants and ringbarking seedlings. Identification and recognition of insect pests and their damage Prof. F. Olubayo and Dr. D. Kilalo ... as caused by various pathogens –Arthropod pests : Insects, mites, ... Illustrations of some pests and their damages . At Patancheru (Andhra Pradesh, India1 pest damage assess- 1. Reduction in crop yield:- Weeds compete with crops for water, nutrients and light. Being hardy and vigorous in growth habit, they grow faster then crops and consume large amount of water and nutrients, thus causing heavy losses in yields. Direct effects of feeding I. PESTS OF PLANTS These pests can damage various landscape plants in community environments but do not directly affect humans or animals. Feed on the growing points of plants causes retard growth Eg : Grape vine beetle – Scelodonta strigicollis 5. grown in different parts of the World is given. IMPORTANCE OF INSECT PESTS, DISEASES, WEEDS AND DISORDERS IN SEED PRODUCTION Introduction Since the beginning of agriculture almost 10,000 yrs ago, farmers/growers had to compete with harmful organisms. Damages by Pests with Piercing and Sucking Mouth Parts 3. I. Fill in the blanks 1) Insects have type of body. 2) Mites have legs. Garden pests seem like a small problem, but these issues can actually escalate very quickly. 1. identify and categorize various types of insect pests and their damage to crop plants 2. identify the type of insect pest by the symptoms of damage 3. recognize the life stages of phytophagous arthropods which may have caused the damage 4. explain the adaptations of insect mouthparts by the symptoms of damage … PESTS BENEFICALS PESTS BENEFICALS 2 3 Larvae of black beetle larvae, also known as ‘curl grubs’ (J Ekman) DAMAGE Larvae feed on plant roots, reducing growth and potentially killing small plants. Damages caused by weeds . Damages by Pests with Biting and Chewing Mouth […] Damages by Pests that are 0Vectors of Patho­gens. G. Describe different types of plant damage caused by abiotic factors and pathogens. Integrated pest management is when different controls methods are used to manage pests, including chemical controls, which must be used responsibly by farmers on crops and by adults around the home. Some may wander indoors and can cause concern if present in large numbers, or if they bite, cause irritation by their hair, molted skin or secretions, or have other effects. PESTS OF STORED PRODUCTS A ‘pest of stored products’ can refer to any organism that infests and damages stored food, books and documents, fabrics, leather, carpets, and any other dried or preserved item that is not used shortly after it is delivered to a location, or moved regularly. The signs of damage vary, typically depending on the way that the insect feeds on the plant. salivary secretions containi ng toxins that cause severe damage to the crop. ENTFACT-300: Cabbage Pests | Download PDF by Ric Bessin, Extension Specialist University of Kentucky College of Agriculture Cutworms, imported cabbageworm, cabbage looper, diamondback moth larvae, and cross-striped cabbage worm can be each cause substantial damage to cabbage. The damage caused by pests results in reduced plant productivity. Damages that arise in the ordinary course of events from the breach of contract are called ordinary damages. H. List common vertebrate pests of landscapes and turfgrass and the damage they cause. Damages by Pests that are 0Vectors of Patho­gens. Identification and recognition of insect pests and their damage Prof. F. Olubayo and Dr. D. Kilalo Department of Plant Science and Crop Protection . List and describe the types of resources and references available for identifying pests, symptoms of infestation, and damage caused by pests. General damages are such damages, which the law presumes from the breach of the contract. Students will learn about different types of pests and the damage they cause, including an example of pests on corn. A. Injury by chewing insects Insects which chew off external plants parts , grind them up and shallow them and they possess biting type of mouth parts and cause damage as detailed below : 1. Lecture 11: PEST - DEFINITION, CATEGORIES, CAUSES FOR OUTBREAK, LOSSES CAUSED BY PESTS PEST - Derived from French word ‘Peste’ and Latin term ‘Pestis’ meaning plague or contagious disease - Pest is any animal which is noxious, destructive or troublesome to man or his interests Pests of plants can be grouped in ... –Chewing type mouth parts, well developed mandibles –Some are destructive (phytophagous) to plants while others are 3) is an organism that causes any type of damage to the crop plants. Millsp.) There are different types of pests.