Coming down through the … Page 1 Disease and insect pests of asparagus by William R. Morrison, III1, Sheila Linderman2, Mary K. Hausbeck2,3, Benjamin P. Werling3 and Zsofia Szendrei1,3 1MSU Department of Entomology; 2MSU Department of Plant, Soil and Microbial Sciences; and 3Michigan State University Extension Extension Bulletin E3219 Introduction The goal of this bulletin is to provide basic information Name of disease Damping-off Causative agent Pythium sp Phytophthora sp Rhizoctonia solani (Kuhn) Fusarium sp Area and distribution Damping off is an important disease of onion during nursery stage which causes about 60 to 75% damage to the crop. Appendix 10. For clin-icians who are concerned with treatment of infected patients, the clinical man-ifestation of the disease is of primary importance. Assessment on major onion diseases and insect pests was conducted in Masha District of Sheka Zone in 2014/2015 cropping season. * ** ** ** Petty , G.J. Berries ripen prematurely. diseases. Abiotic factors responsible for disorders •Suboptimal environmental conditions in the atmosphere, Lac Insect any of the species of Metatachardia, Laccifer, Tachordiella,Austrotacharidia, A frotachardina, and Tachardina of the superfamly Coccoidea, order Homoptera that are noted for resinous exudation from the bodies of females. Part 2nd: Disease of Honeybee 1. diseases. Early symptoms of the disease are not visible, but sudden wilting of plants, usually after pollination, is the most common symptom. Smith ,J. Susut , and R. Caltrell INTRODUCTION Inspections conducted in Provincial Parks for the presence of insects and diseases in the forest cover were somewhat curtailed in 1971 as compared to previous years. Sac-brood disease 23-25 3. yield of resin, fecundity, sex ratio and 10-14 body colour have also been reported The pigment present in the lac insect haemolymph (laccaic acid or lac dye) is non-toxic and finds numerous applications in textile, pharmaceutical and food industry. Insect feeding damage can cause wounds that promote the invasion of fungi that damage plants or their fruit. Insect disease normally originates from invading bacterial pathogens, although host stress or sickness can lead to infection by opportunistic bacteria. … The pests and diseases described are those which we feel are of greatest econric iRnp ortanoric tir ngllocr t tile world; hot tile emphasis ias been on tropical Africain condi tions Under which tlie bulk of tile crop is . Pest and disease Qualitative and quanti- tative variations in lac insect dye have been observed FUNGAL DISEASE. Nosema disease (Nosemosis) 26-27 4. As you can imagine, there are so many diseases that could be dealt with in this section, there is not enough room to detail them all, or even list them. of disease management vary considerably from one disease to another depending upon the type of pathogen, the host and the biotic and abiotic factors involved. 1791 - Dr. J. Anderson issued a monograph on Cochineal scale insects 1800 - Buchanan (Traveller) wrote on the cultivation of lac in India and on sericulture in some parts of South India. Major diseases and insect pests. Members of two of the families viz. There are massive numbers of websites and published lists of these diseases that Master Gar- Not only did the native diseases and insects attack the cultivated fruits and vegetables, but along with the importation of Old World species came the diseases and insects which preyed upon them. • “Insect borne” disease –Any disease transmitted by an insect •Protozoa •Rickettsia •Viruses • “Arbovirus” –Arthropod borne virus –Any virus transmitted by an insect (mosquito, tick, flea..) •Dengue fever virus •Chikunkunya •Zika virus •Ross River virus •West Nile virus •Japanese encephalitis virus It is surrounded by … Mosquitoes can also cause a hypersensitivity reaction in cats characterized by inflammatory lesions on the pinnae, face, and feet (see Allergy ). Tree eventually dies. In late September, Disease Survey staff and equipment, as well as the regional herbarium, were moved from the Forest Research Laboratory at Periodic By the time female starts to lay the eggs, its body contracts on the ventral side and gradually vacating the place for the eggs to be accommodated inside the resin cell. 1790 - Roxburgh (Botanist) published a detailed account of lac insect. Contrary to management of human and animal diseases where every individual is attended, the plants are generally treated as populations and measures used as preventive rather than curative. • : Insect • : Disease CARIBOO FOREST REGION ca 0 40 80 km I I Forestry Canada / Forest Insect and Disease Survey Figure 1. PESTS AND DISEASES OF THE AVOCADO J. ELIOT COIT Address delivered at Ventura Field Meeting, Oct. 29, 1927 Mr. Chairman, Ladies and Gentlemen; From the time avocados were first grown in California to the present, the tree has been subject to comparatively few pests or diseases, and so far growers have not found it necessary to spray or fumigate. European foulbrood disease(EFB) 21-22 3. Insect pests • Many disorders are caused by species of Diptera (flies). The focus is on integrated pest manage-ment practices for backyard and small, noncom-mercial orchards. Based on our experience with local agarwood planters, these are often overlooked due to the lack of information, as well as the assumption that forest plantations need less attention and could be left to grow with minimal management. Disease classifications relevant to climate/health relationships Several different schemes allow specialists to classify infectious diseases. UH–CTAHR Collecting Plant and Insect Samples for Problem Diagnosis SCM-14 — July 2006 2 organs that are in early stages of disease or are in the process of dying, and not already dead. Cowpea, for example, is grown extensively for seeds, pods and [5] A variety of sucking insects that feed on fruits can introduce the fungus Nematospora corylii, which causes yeast spot disease of bean, coffee, cotton, and a variety of other crops. The first chapter is an introduction highlighting the general principles of plant pathology for vegetables and melons. control against diseases and pests: critical status analysis and review of factors influencing their success Edited by Philippe C. Nicot 2011 IOBC OILB WPRS ... References on classical biological control against insect pests (cited in Chapter 3).....152. Fortunately, not all of the pests listed in this publication will increase to damaging levels Insect and Disease Pests of Peaches, Plums, and Blackberries in a Small Fruit Orchard lac insect, viz. It is situated between 26°22’ and 30°27’ north latitude and 80°4’ and 88°12’ east longitude. Lacciferidae and Tachardinidae appear to be more concerned with lac secretion. FOREST INSECT AND DISEASE CONDITIONS IN ALBERTA PROVINCIAL PARKS, 1971 by J. BACTERIAL DISEASES- 1. Major insect-pests and diseases of major fruits available in Nepal: Introduction: The kingdom of Nepal is a small and totally land locked mountainous country in South Asia. Farmer empowered to identify pests and diseases at the initial stage will take caution which may prevent the spread of the pests and disease and continuous attack to the crop. Symptoms Symptoms of these diseases are quite similar. cso.1 circular912(revised) crt rv\£ <>diseases&insectpests hde2sttiinica.tio^t&control. The chapter also discusses in-tegrated concepts of disease management, which will be helpful in implementing co- Insect pests, in addition to fungal diseases, are responsible for 50 percentage damage in cassava (Yaninek,1994). Insect vectored pathogens include viruses, bacteria (many types), fungi, nematodes and protozoa. VIRAL DISEASE. After the fertilization, the female grows rapidly until it begins to lay eggs. grown . 1). The aim of the study was to determine occurrences and assess impacts of major diseases and insect-pests of onion. specific insect vector on which the pathogenic organism (some fungi, some bacteria, some nematodes, all protozoa causing disease in plants, and many viruses) depends on for transmission from one plant to another, and on which some pathogens depend on for survival (Fig. 1. One male lac insect is capable of fertilizing many females. 4 A Field Guide to Insects and Diseases of California Oaks Root diseases 124 Armillaria root rot, oak root fungus (Armillaria mellea) 128 Ganoderma root rot (Ganoderma applanatum, G. brownii, G. lucidum) 132 Phytophthora root rot (Phytophthora cinnamomi and other Phytophthora species) 136 Weeping conk (Inonotus dryadeus) Insect pests and diseases can cause considerable economic Egg-laying. from insect pests and diseases. Collect the entire plant whenever possible If the wrong part of a plant is submitted, a disease can-not be diagnosed with confidence. and preparation of plant disease and insect specimens are incidced in Appendix I. Spots of injuries by insects may predispose crops to disease attack. For Chapter 4. Chalk brood disease (Ascosphaerosis) 22-23 2. For example, some Schistostomiasis (bilharzia), which predominantly affects children in Africa, can be treated with praziquantel at a cost of 30 cents per child per year. portant plant diseases and insect pests affectingtheir crops and to develop and employ strategies for their control. needle diseases appear to be most damaging on highly susceptible strains of Scots pine grown for Christmas trees or on trees that are in poor vigor because of some site-related factor, insect in jury, or other disease. Blue-black discoloration of wood beneath bark (right, arrowed). However, diseases and insect pests are major limiting factors for the cultivation and production of these plants in many agro-ecologies of the country. disease identification problems. Denovan published Natural History of … Flies are ... diseases and rickettsias or mycoplasmas in bacterial diseases such as mummy disease.
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