PPT-General guide to the recognition of plant pests and diseases

Aim of the presentation To provide an overview of the types of pest and disease that cause damage on plants and produce To demonstrate the types of symptoms that each type of pest or disease can cause. Peaches and Nectarines- . Bacteria, Viruses, and Nematodes. Background. Flower. Nectarine fruit. Peach fruit. Young fruit. Tree in leaf. Tree in bloom. Image citations: peach tree in leaf - Howard F. Schwartz, Colorado State University, . What is a pest ?. Facts about cockroaches. Facts about blow fly. Facts about possums. Facts about rabbits . . What is a pest?. A pest is an animal . o. r insect that eats plants and food, ruins farm land and are just plain annoying. Plant Guide - mate rials.nrcs.usda.gov/ Plant Fact Sheet/Guide Coordination Page http://plant - materials.nrcs.usda.gov/intranet/pfs.html National Plant Data Center ttp://npdc.usda.gov&#xh-70; C ALI Terms. Abiotic. plant disease. —caused by unfavorable . growing conditions.. Biotic plant disease. —caused by plant pathogens. .. Pathogen. - . an infectious, biological agent such as a virus, bacteria or fungus that causes disease to its host.. Objective 8.02. Discuss diseases and viruses.. Diseases. A disease is a plant disorder caused by an infectious pathogen or agent. Diseases. There are 3 conditions necessary for diseases in plants. host plant. Help me! I’m dying.. Disease. Disease is a plant disorder caused by an infectious pathogen or agent. Host. – Plant the disease attacks. Pathogen. – Any disease causing agent. Environment. – moisture and temperature needed for the pathogen to grow. What Can You Grow In May. What Vegetables And Fruits You Can Grow In . Allotments. t. omatoes . lettuce. s. pring . onions. spinach. cabbage. b. roccoli. Rhubarb. By Miharu Furuta. Introduction. M. any. people use rice daily, without knowing the difficult process of growing it. . The . rice plant is an annual . plant that . produces an edible seed, . called rice. in the Greenhouse. The Greenhouse: . A Plant Pest “Factory” . Most GH plants are susceptible to one or more diseases and pests. Humidity tends to be high in the greenhouse. Greenhouse temperatures tend to favor one or more pathogens. FOREST AND TREE PESTS AND DISEASES MANAGMENT IN AFRICA By The Inter-African Phytosanitary Council of African Union (AU-IAPSC) OUTLINE INTRODUCTION OCCURRENCE, DISTRIBUTION AND MANAGEMENT OF FOREST PESTS IN AFRICA John H. . Nderitu. University of Nairobi/FAO consultant. Email: . huria@uonbi.ac.ke. Mobile: +254 722308581 . Outline . Objective . Introduction. Pests, disease and weeds. Types of damage by pests, diseases and . Insects. Sap suckers. Chewers and tunnellers. Mites. Nematodes. Insect pests – sap suckers. Photos: . Top: woolly aphid on apple, mealybugs. Bottom: whitefly scales, scale insects. Different types of sap-sucker. Malcolm Borg. D. Director, IAS- Centre for Agriculture, Aquatics & Animal Sciences (MCAST) . What are pests? What are diseases?. A disease is an adverse condition in plants caused by micro-organisms such as bacteria, fungi and viruses. . phytopathology. ) is the scientific study of . diseases. in . plants. caused by . pathogens. (infectious organisms) and environmental conditions (physiological factors).. 2.Organisms that cause infectious disease include .