BIOLOGICAL CONTROL OF FUNGAL AND BACTERIAL PLANT PATHOGENS of biocontrol agents; Combination of biocontrol with other disease control measures; studybiocontrol agents and their interaction with pathogens and plants. http://www.agri.gov.il/Depts/IOBCPP/IOBCPP.html
Extractions: email: elady@volcani.agri.gov.il Tel. 972 3 9683580, Fax 972 3 9683688 GROUP MANAGEMENT COMMITTEE: C. ALABOUVETT E, INRA, DIJON, FRANCE; G. DEFAGO , ETH-ZURICH; Y. ELAD , VC, BET DAGAN, ISRAEL; D. FUNK-JENSEN . RVAU, COPENHAGEN, DENMARK; J. KOHL , IPO-DLO, WAGENINGEN, THE NETHERLANDS; J.M. WHIPPS , HRI, WELLESBOURNE, UK Aim of the working group : The goal is to promote cooperation between scientists involved in biocontrol of plant pathogens and to exchange expertise on biological control in the West Palaeartic Region in order to support the implementation of biocontrol in agriculture. Active members : Scientists and students at all levels, extension and field experts and people involved in production and testing biological means of disease management. The managemen t: The IOBC/WPRS group is associated with the working group "Biological Control" of the European Foundation for Plant Pathology (EFPP) through a joint management committee. For the IOBC/WPRS it consists of Y. Elad, VC, Bet Dagan, Israel; C. Alabouvette, INRA, Dijon, France and; J. K?hl, IPO-DLO, Wageningen, The Netherlands and for the EFPP G. Defago, ETH-Zurich, Switzerland; D. Funk-Jensen. RVAU, Copenhagen, Denmark; and J.M. Whipps, HRI, Wellesbourne, UK: Organization of workshops for scientists, students, field and extension personnel, producers and users of biocontrol agents and methods aimed at fungal and bacterial bioc
Extractions: Volume III only 444 pages ISBN 0-08-042512-7 Volume I includes chapters on the following subjects: Volume II includes chapters on the following subjects: Pathogenesis and host specificity in plant pathogenic Fungi and Nematodes Mating-type and fungal pathogenesis Pythium Pathogenicity and host specificity in Rhizoctonia solani Alternaria alternata pathogens Cochiliobolus Nectria Haematococca Fusicoccum Phomopsis amygdali Colletotrichium The Cladosporium fulvum - tomato interaction, a model system for fungus - plant specificity
Extractions: Bacterial Diseases on Geranium January 2004 Bacterial diseases on geraniums that growers should be on the lookout for are Xanthomonas campestris pv. pelargonii , the agent of bacterial blight disease of geraniums and Ralstonia solanacearum the causal agent of southern bacterial wilt. Southern bacterial wilt is caused by two specific races of R. solanacearum , Race 1 and Race 3. Race 1 is found in the southern United States whereas Race 3 is considered an exotic pathogen and is therefore regulated under federal quarantine. R. solanacearum Race 3, biovar 2 is also one of 10 pathogens on the list of "Select Agents and Toxins" as part of the Agricultural Bioterrorism Act of 2002. The concern is that Race 3, biovar 2 has the potential to carryover to potato and other solanaceous crops or weeds. (Geranium Bacterial Disease pictures) Bacterial blight of geraniums, caused by Xanthomonas campestri s pv. pelargonii can infect Zonal geraniums ( Pelargonium x hortorum ), ivy geraniums ( Pelargonium peltatum ), Regal or Martha Washington geraniums (
CSIRO PUBLISHING - Books & CDs knowledge of the health and diseases of eucalypts change from many surveys of pathogensof particular for forest and plantation managers, plant pathologists and http://www.publish.csiro.au/nid/18/pid/2484.htm
Extractions: Over the last fifty years, there has been an increasing recognition that eucalypts are vulnerable to a wide range of diseases. They have suffered destructive epidemics, particularly of dieback caused by the cinnamon fungus in native forests, of foliar diseases and cankers in plantations, and of dieback of remnant trees on agricultural and grazing land. This has stimulated intensive research into the causes and management of diseases of the eucalypts. This work represents a comprehensive review of our current knowledge of the health and diseases of eucalypts.
Plant Pathology 369 - Schedule 2003 18, Oct. 6, Ch 3, How pathogens Attack Plants Toxins, Cell Membranes MitochondiaCell Metabolism Respiration, Southern Corn Leaf Blight Victoria disease of oats. http://plantpath.unl.edu/peartree/homer/sched03-369.html
Extractions: Class Date Reading Class Preparation/Class Topic Assignments Disease Example Week One Aug. 25 Intro Expectation, Realities, Formats, Evaluation, Review Papers Explained Aug. 27 Ch 1 Concepts of Health and Disease Aug. 29 Ch 1 Koch's Postulates Fire Blight Week Two Sept. 1 Academic Holiday Sept. 3 Ch 14 Pathogenic Taxon
Extractions: This home page is dedicated to the University of Nebraska Lincoln, Department of Plant Pathology's Introductory Plant Pathology Course, Plant Pathology 369. Dr. J.E. Partridge is the Professor in charge This page is used by the course as reference and review material. Sections are released to this Home Page to assist students in preparation for classroom discussion. The web study materials presented here are in lieu of classroom hand outs and are intended to complement the study of the Plant Pathology supported by the Textbooks Plant Pathology , Fourth Edition, by G.N. Agrios or Plant Pathology and Plant Pathogens rd edition by John A. Lucas (Blackwell Science Ltd. Malden, MA, USA, 1998) or other textbooks of the student's choosing, and classroom discussions. Introductory Plant Pathology is a junior level course and satisfies student curricular requirements for a junior level Essential Studies, Integrative Studies, and Communication Intensive course at the University of Nebraska. The prerequisites for this course are Introductory Biology or Introductory Botany; therefore the materials presented are conservative in the areas of Biochemistry and Molecular Biology. When the students need greater understanding in these areas, they are presented in class and supplemented as Exposition pages.
Interior Business Online :: Article :: Plant Rx: Plant Disease 101 disease than just this theres testing, diagnostics and many different pathogens.But understanding these key areas will lead to healthier plants and http://www.interiorbusinessonline.com/articles/article.asp?Id=2280&SubCatID=14&C
Extractions: The chapters are organised and written to make an advanced textbook rather than simply a collection of reviews or something resembling conference proceedings. Thus, authors have largely concentrated on a didactic approach and the book should remain useable for several years in spite of the rapid progress in research. The work is an excellent and advanced textbook on resistance mechanisms to plant diseases and host-pathogen interactions. In addition to the scientific value of individual chapters, the highly didactic approach taken is of benefit. The book can therefore, be used not only by researchers but also advanced students of biology and agriculture focused on plant pathology. Authors, editors and publishers are to be recommended for an excellent piece of work.
Extractions: nivel = 1 en EUROPA European Commission Research Agriculture ... Press releases A diagnostic test derived from human genome project technology will soon enable plant pathologists to determine any of the pests and diseases infecting crop plants in a single procedure. This new technology is essential for plant health and security of trade in food and feedstuffs; offering a rapid and accurate identification of infected material so that movement of plants of agricultural products can be controlled. Single-step identification of restricted pests and diseases will also greatly simplify matters for accession countries striving to comply with the EU's plant health legislation. EU plant health legislation All in one go The DIAG CHIP project ) is working to develop and validate a test to offer rapid identification of the plant pathogens in a single estimation. The project falls under the Quality of Life ) with a research team drawn from four countries ), and subcontractors and advisers in seven more
Can Viruses That Infect Bacteria Fight Plant Disease? situations, it is likely that phage therapy against bacterial plant pathogens willnot and negative effects of using phages to fight plant disease are the http://www.sciencedaily.com/releases/2003/11/031107055930.htm
Extractions: Source American Phytopathological Society Date Print this page Email to friend St. Paul, Minn. (November 6, 2003) While the medical community has been exploring the use of bacteriophages, a form of virus that can be used to manage bacteria that have become resistant to antibiotics, plant pathologists with the American Phytopathological Society (APS) now say that this same approach may also help fight plant disease. Late Blight Battle Goes Online, Marking 150 Year Struggle Since Irish Potato Famine
McKenzie & Dingley--New Records Of Fungal Pathogens New Zealand Journal of Botany abstract. New plant disease recordsin New Zealand miscellaneous fungal pathogens III. EHC McKENZIE. http://www.rsnz.org/publish/nzjb/1996/135.php
Extractions: Auckland, New Zealand Abstract Eleven fungi are recorded in New Zealand for the first time: Cercospora nasturtii Pass. on Rorippa nasturtium-aquaticum (L.) Hayek; Frommeella tormentillae (Fuckel) Y.Hirats. on Potentilla anglica Laichard. x P. nepalensis Hook.; Microsphaera sp. on Magnolia quinquepeta (Buc'hoz) Dandy; Peronospora candida Fuckel on Anagallis arvensis L.; P. digitalidis Digitalis purpurea L.; P. mesembryanthemi Verwoerd on Dorotheanthus bellidiformis (Burm.f.) N.E.Br.; Pseudocercospora nandinae (Nagat.) X.J.Liu et L.Y.Guo on Nandina domestica Thunb.; Puccinia conii Lagerh. on Conium maculatum L.; P. nakanishikii Dietel on Cymbopogon citratus (DC. ex Nees) Stapf.; Ramularia ajugae (Niessl) Sacc. on Ajuga reptans L.; and Stagonospora atriplicis (Westend.) Lind on
Plant Disease Information Notes plant Disease Information Notes If you have trouble viewing this menu, try thetext only (one page) version. North Carolina plant Disease and Insect Clinic. http://www.ces.ncsu.edu/depts/pp/notes/
G6202 Disease Prevention In Home Vegetable Gardens related plants within the garden from season to season lessens the chance that plantdiseases will build up. This is especially true of pathogens which survive http://muextension.missouri.edu/explore/agguides/hort/g06202.htm
Extractions: Lewis Jett, Department of Horticulture Vegetable gardening is the number one hobby in the United States. Keeping a garden healthy and attractive requires attention not only to its size and location but also to the soil, water availability, sunlight and air circulation in the garden. These environmental conditions can determine susceptibility to plant diseases. Diseased plants are unsightly and also detract from the enjoyment and fruits of the hobby. Diseases affect home garden vegetable plants every year. Plant pathogens become established when environmental conditions are favorable. Losses due to disease can be reduced through a combination of proven disease-prevention methods: Select adapted, disease-resistant varieties. Use transplants that are free from disease. Plant closely related vegetables in separate areas of the garden (see Table 1). Rotate garden areas to prevent planting closely related vegetables in the same area year after year. Control weeds that compete with vegetables or harbor plant pathogens.
Extractions: Publications and Newsletters Home Pubs Select a category... Aquatic Plant Management Annual Reports Diseases of Field Crops Diseases of Fruit Diseases of Ornamentals Diseases of Turfgrass Diseases of Vegetables Forms Newsletters and Periodicals Pesticide Programs Policy and Procedures Recent Research Publications Weeds and Weed Management USDA/ARS Publications AgComm Online Publications Miscellaneous Search Many of the listed publications are in a Portable Document Format (PDF). To view or print these PDF documents, you will need to download and install the free Acrobat Reader . An Acrobat reader is available for Windows, Macintosh, and Unix computers.
Forest Pathology - Concepts And Names persistent and their interaction with plants fits most It applies even to diseaseswhere environment is especially important or multiple pathogens are involved http://www.forestpathology.org/concepts.html
Extractions: Outline of this page: Pathogens ... Signs and symptoms Forest pathology is the study of tree diseases. What do you think a disease is? One textbook says: "Any deviation in the normal functioning of a plant caused by some type of persistent agent." What is normal? What if all the trees in a population have a particular fungus causing leafspots? Is that then normal, and thus not a disease? What is "persistent?" What is the difference between injury and disease? You should know that insects are traditionally excluded from the concept of disease, though some are persistent and their interaction with plants fits most definitions of disease. Nematodes are traditionally included. Do genetic defects and nutrient deficiencies fit the definition? For these cases, you may want to add to the definition the phrase, "or condition." Although some consider that traditional definitions of disease imply that the pathogen is all-important and leave the impression that the pathogen and disease are the same thing, the traditional disease triangle seems to cover this problem for all sorts of diseases. It is a useful, time-tested model of disease taught in most introductory courses and commonly used conceptually by pathologists. It is a useful model of disease because it emphasizes the interaction of the environment, a
Research (Alternate Crops And Systems) between pathogens and their host plants, biocontrol control agents, and othercontrol measures on a molecular level allowing for optimization of disease http://www.arsusda.gov/acsl/research/cropsim.html
Extractions: ARS Home Plant Sciences ... Careers Email this page Biological Control Of Plant Diseases Genetic Diversity in Cacao Plant Responses To Rising Atmospheric Carbon Dioxide Major Research Projects: Biological and Chemical Disease Control Plant Responses to Rising Atmospheric Carbon Dioxide Crop Simulation Models for On-Farm Decision Support Narcotic Crop Control Strategies Objective: Approach: Classical and molecular techniques will be used to study the ecology and genetics of the interactions and evaluate the genetic diversity among beneficial and pathogenic microorganisms to understand their role in the disease environment. Similar techniques will be used to dissect the response of pathogens, biocontrol agents and host plants to biotic and abiotic stresses including each other. Traditional and innovative methods will be developed to screen biocontrol agents, fungicides, and their formulation additives for their abilities to enhance control of major diseases of tropical crops. In controlled conditions research will be carried out to evaluate the abiotic stress (soil acidity/alkalinity, soil nutrient/moisture levels, elevated CO and temperature) on inter-intra specific differences for production and plant health of alternate crops. In collaboration with government, non government and international research organizations and universities of tropical and North America and Caribbean countries, carry out field studies to assess the impact of integrated pest management strategies, soil fertility and crop management on productivity and health of diversified high value alternate crops in order to optimize production potentials, tolerance to abiotic stresses, ecological adaptability, and disease control strategies in order to ensure sustainability.
Cucurbit Yellow Vine Disease, Etiology - USA In this disease, the bacterial pathogen resides in the plant s phloem,a rather unusual place for phytopathogenic bacteria to lodge. http://www.agnic.org/pmp/2002/cyv070402.html