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INTEGRATED PLANT PROTECTION CENTER

IPMnet NEWS


March 1996, Issue no. 27
ISSN: 1523-7893 Copyright 2005


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IPM NEWS --- international IPM news and programs

I. IPM NEWS / APPLICATIONS international IPM news, and application of IPM techniques and programs. U.S. National Session Targets IPM Goal More than 550 strong, representatives from the private and public sectors gathered in Washington, DC, late in February to participate in the Third (U.S.) National IPM Symposium/Workshop, "Reaching the National IPM Goal," and absorb and share an outpouring of the latest IPM information, both technical and philosophical. U.S. Deputy Secretary of Agriculture, R. Rominger, strongly reaffirmed the current administration's vision of, and deep commitment to, helping "producers implement IPM methods on 75 percent of total crop acreage by the year 2000."

He also pointed out that, "IPM has a great track record. We know its significance to consumers, trade, society." However, Dr. Rominger cited big challenges in terms of not only acceptance, but economy, and called for IPM to function practically and effectively in a larger context than it does currently.

The event included a flood of papers and posters that ranged over technical topics as well as economics, marketing, public health, and communication. Symposium coordinator, B.J. Jacobsen, announced that full proceedings would be published in the near future. A Workshop on Team Building for IPM Planning and Implementation" launched the 4-day meeting and graphically revealed the challenges of bringing together a variety of disciplines, interests, and agendas.

The U.S. National IPM Symposium/Workshop is convened every two years to provide an opportunity for interdisciplinary scientists, as well as growers, consultants, and others, to exchange current advances in IPM implementation, education, research, and program assessment. The event is co-sponsored by a combine of federal and state extension and research organizations.

FMI: B.J. Jacobsen, USDA IPM Coordinator, Ag Box 2220, Washington, DC 20250-2220, USA. E-mail: bjacobsen@reeusda.gov Phone: 1-202-401-4230

Ideas Proposed for IPM Support During a featured presentation at the 1996 U.S. National IPM meeting (see above), a counsel to the U.S. Senate's Committee on Agriculture proposed several innovative approaches to help meet projected goals for broader national IPM support and implementation. Among these were: Support legislation to permit federal marketing orders to operate as IPM districts: authorize marketing orders, which currently represent 25 percent of U.S. fruit and vegetable production, to operate as pest management districts which would help insure that there was wide IPM support and implementation.

Include IPM in research and promotion orders: there are 261 research and promotion orders in 43 states representing 55 commodities, in addition to federal orders; under these orders producers are assessed an annual fee based on production units; a portion of these fees could be redirected to support IPM research and implementation.

Promote the use of crop insurance to help move IPM from research to everyday use: growers would be more willing to accept risks inherent in some IPM practices if there was assurance that, in the event of crop loss, there could be some cost recovery. FMI: J. Cubie, Democratic Chief Counsel, Committee on Agriculture, U.S. Senate, Washington, DC 20510, USA. E-mail: james_cubie@agr-min.senate.gov IPM Sought for Near East Cotton Participants at a multi-nation meeting at Cairo, Egypt, recommended implementation of an IPM program for cotton in the Near East to, "bring a wide range of research and training expertise to focus on the problem, encompassing the IPM elements already available in several countries." The late 1994, FAO-sponsored "First Expert Consultation on Cotton Pest Problems and their Control in the Near East," brought together representatives from six of the region's major cotton producing nations, as well as other representatives, to develop and implement a broad regional cotton IPM effort.

Delegates agreed that, to carry out a basic IPM strategy, there needs to be "development and adoption by farmers of crop and habitat management practices and cultural control procedures that suppress pests while conserving their natural enemies," according to a report of the event. Also, successful implementation of cotton IPM hinges on "effective and highly motivated extension and plant protection services," the group proclaimed, and that these, "need to be strengthened in all countries."

As part of the concluding recommendations of the Consultation, participants postulated that a regional IPM program could also provide a forum for coordination and collaboration, not only across the Near East, but throughout the region.

For more information, contact: Plant Protection Officer, FAO Regional Office for the Near East, PO Box 2223, Doki, Cairo, EGYPT.

excerpted from: FAO PLANT PROT. BULL., 42(3), 1994.

Australian-Chinese IPM Effort Launched The first major Australian Centre for International Agriculture Research (ACIAR) project devoted to IPM is designed to develop improved insect pest management of brassica crops and reduce insecticide usein both China and Queensland, according to articles in a recent issue of the ACIAR NEWSLETTER. Pre-project workshops in both target areas helped define issues and opportunities. Top research priorities emerging from both workshops were: a need for alternative pest management methods; improved management of insecticide resistance; development and implementation of practical action thresholds; and, improved training and information distribution.

Cooperating scientists plan to initially map the problems in more detail before launching research aimed at designing IPM approaches. In the project's later stages, on-farm studies will chart the progress of ongoing IPM implementation.

Besides participation of faculty from several academic institutions in both countries, an association of fruit and vegetable growers will also be directly involved.

FMI: ACIAR, GPO Box 1571, Canberra, ACT 2601, AUSTRALIA. E-mail: comms@aciar.gov.au Phone: 61-6-248-8588 Fax: 61-6-257-3051

Team Shows Scouting Pays An entomologist-plant pathologist-economist team conducted research that conclusively shows insecticide application to tomatoes only when eggs of a certain pest were present resulted in significantly fewer applications and robustly improved economic returns per hectare. In their paper, "Treatment Decisions Based on Egg Scouting for Tomato Fruitworm, Helicoverpa zea (Boddie), Reduce Insecticide Use in Tomato," G.W. Zehnder, E.J. Sikora, and W.R. Goodman carried out experiments to evaluate the effectiveness of an H. zea management program where insecticide was applied only when fruitworm eggs were detected on tomato foliage, and then compared the results of the scouting-based approach against the standard practice of weekly application.

Scouting cut pesticide use, on average, between 43 and 59 percent, depending on material used. There was no reduction in marketable tomato yield. And net returns, after factoring in all costs, ranged from US6-164 higher per ha.

FMI: G.W. Zehnder, Dept. of Entomology, Auburn Univ., Auburn, AL 36849, USA. E-mail: gzehnder@acenet.auburn.edu

excerpted from: CROP PROT., 14(8), 683-687, December 1995.


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IPM MEDLEY --- publications and other IPM information resources

III. MEDLEY general information, publications of interest, and other information and resources related to IPM. WWW: A Key Source for Biocontrol Information Computer users with access to the World Wide Web can find numerous sites that include useful information on biological control topics, according to a recent survey by D. Landis and J.N. Landis reported in the MIDWEST BIOLOGICAL CONTROL NEWS (MBCN). The survey team searched the web using the words "biological control" and found more than 100 documents. The survey report lists 11 key sites, complete with WWW "addresses," containing information related to biocontrol.

[NOTE: If you are accessing IPMnet NEWS through the Center for Integrated Pest Management Web, you're already at one of those 11 major international sites for biocontrol information.]

FMI: MBCN, Dept. of Ent., Univ. of Wisconsin, 1630 Linden Dr., Madison, WI 53706, USA. E-mail: smahr@entomology.wisc.edu Phone: 1-608-262-9914 Fax: 1-608-262-3322

excerpted from: MIDWEST BIOLOG. CNTRL. NEWS, III(2), February 1996.

WARDA's IPM Program Gains Speed One of the pivotal projects in the first medium term plan of the West Africa Rice Development Association (WARDA) is, "Integrated Pest Management Methods for Rice in West Africa," conducted under the "Continum Program" that targets research across a variety of West African rice-growing areas. WARDA follows an interdisciplinary approach that addresses production environments as agroecological systems. Under the IPM program, a series of linked research thrusts seek information on pest ecology, biological pest management potentials, and varietal resistance to biotic stress, according to WARDA's well-presented 1994 annual report.

Research staff worked on determining traits that enhance weed competitiveness in upland rice, as well as factors that help rice cultivars resist the parasitism of the highly invasive root parasite, Striga, which more commonly attacks sorghum, maize, and millet. In another concentrated effort, WARDA staff conducted screenings to detect sources of leaf blast resistance.

FMI: WARDA, 01 B.P. 2551, Boake' 01, COTE D'IVOIRE E-mail: WARDA@cgnet.com Phone: 225-63-4514 Fax: 225-63-4714

excerpted from: WARDA ANNUAL REPORT, 1994.

IPMporium ..... According to the Australian Cooperative Research Centre for Weed Management Systems, weeds cost Australia more than A.3 billion per year in lost productivity and costs for control. .....Scientists have devised a new membrane lure that protects its pheromone attractant and releases a constant amount of pheromone for at least three weeks, several times as long as previous devices. Field tests in Florida, Mexico, and Guatemala confirmed the effectiveness of the system.

.....The "Ecologically Sustainable Cassava Plant Protection in Africa" program, administered by the International Institute of Tropical Agriculture, is "a balance between production demands, pest constraints, intervention technologies, and agroecosystems."





PUBLICATIONS AUTHORS AND PUBLISHERS

IPMnet NEWS wants to mention any publication related to or focused on IPM. To assure coverage, please send a review copy of the publication, with background information where to obtain copies, data about the author/editor(s), costs, and any other particulars or descriptive materials to:

IPMnet NEWS, c/o Integrated Plant Protection Center 2040 Cordley Hall, Oregon State University Corvallis, OR 97331-2915, USA After review, materials will be cataloged into the joint CICP/IPPC international IPM and crop protection literature collection (which the worldwide IPM/crop protection community is welcome to use) or returned if so requested.



Onion IPM Manual Published The latest in the full-color, informative, and superbly reproduced IPM manuals from Cornell University is INTEGRATED PEST MANAGEMENT FOR ONIONS by M.P. Hoffmann, C.H. Petzoldt, and A.C. Frodsham. The 78-page, 1996 publication, combines an extensive roster of over 80 weed, insect, disease, and mite pests of onion with a list of IPM procedures, all supported by close-up color plates and enhanced by color-keyed chapter guides. Natural enemies of pests are covered as are managing resistance to pesticides, and using several pest forecasting systems. The per copy cost, including postage and handling, is under US. FMI: Resource Center, 7 Business Technology Park, Cornell Univ., Ithaca, NY 14850, USA E-mail: DIST_Center@CCE.Cornell.edu Phone: 1-607-255-2080 Fax: 1-607-255-9946 Order: 139IPM119 Small Farm Pesticide Safety A 28-page, heavily illustrated publication contains up-to-date information for handling, mixing, and applying pesticides. PESTICIDE SAFETY FOR SMALL FARMS stresses important safety points and, in addition to English, has been translated into Hmong, Lao, and Cambodian. Free while supplies last, from: IPM Education and Publications, Univ. of California, Davis, CA 95616-8620, USA Phone: 1-916-752-2671 Weed Management Newsletter Issue no. 1 of WEED WATCH, the external newsletter of the Australian Cooperative Research Centre for Weed Management Systems (CWMS), is dated June-October 1995, and carries a variety of articles particularly emphasizing integrated methods of weed management. Full color photos accompany information on biocontrol, training, and related topics. FMI: S. Corey, CWMS, CSIRO Entomology, GPO Box 1700, Canberra, ACT 2601, AUSTRALIA E-mail: sharon.corey@ento.csiro.au Phone: 61-6246-4136 Fax: 61-6246-4177 Ethiopian Crop Protection Review The most recent in a series of informative reports prepared for the U.S. Agency for International Development provides an overview of pest management practices and pesticide use in Ethiopia with emphasis on smallholder producers. ENVIRONMENTAL AND ECONOMIC REVIEW OF CROP PROTECTION AND PESTICIDE USE IN ETHIOPIA, 118-pgs, November 1995, offers clear observations for the future of Ethiopian agriculture. Authors H. Gordon, et al consider the effects of various policies on crop production, health, and the environment and suggest strengthening extension activities related to IPM as well as increasing pesticide use monitoring. The study was conducted as part of the Environmental and Natural Resources Policy and Training Project. FMI: Winrock International Environmental Alliance, 1611 N. Kent Street, Suite 600, Arlington, VA 22209, USA Phone: 1-501-727-5435 Pest and Pesticide Guide A free, 49-page publication from the U.S. Environmental Protection Agency offers an overview of pest management and pesticide use and safety, including non-chemical methods and IPM, all written in a straightforward, lay language style. CITIZEN'S GUIDE TO PEST CONTROL AND PESTICIDE SAFETY, 1995, suggests methods for appropriate pesticide application, storage, and disposal, plus more. Contact: National Center for Environmental Publications and Information, PO Box 42419, Cincinnati, OH 45242, USA Phone: 1-703-305-5017 Fax: 1-703-305-5558. Also available on the Web at: www.epa.gov Pest Management in Peru A 184-page report published in 1995 compiles a series of papers describing ecological pest control alternatives useful to small and middle-size farmers in Peru. APORTES AL MANEJO ECOLOGICO DE CULTIVOS, edited by L. Valencia and E. de la Pena, considers pest management in maize and bean production, including natural enemies. FMI: Red de Accion en Alternativas al uso de Agroquimicos (RAAA), Mariscal Miller 2622, Lince, Apartado Postal 11-0581, Lima, PERU E-mail: excerpted from: PANNUPS, 23 Jan 96. Off the Book Shelf ADVANCES IN PLANT PATHOLOGY, Vol. 11, Andrews, J.H., and I.C. Tommerup, eds., Academic Press, 1995, 322-pgs, 15 chapters, includIng: "Pathogens' Responses to the Management of Disease Resistance Genes," Brown, J.K.M.; "Three Sources of Non-chemical Management of Plant Disease: Towards an Ecological Framework," Maloney, A.; "Classical Biological Control of Plant Pathogens," Scott, J.K.; "Economic Thresholds and Nematode Management," McSorley, R., and L. Duncan; "Biodiversity and Biocontrol: Lessons from Insect Pest Management," Altieri, M.A.; "Plant Protection Using Natural Defence Systems of Plants," Deverall, B.J.; and, "World Integrated Pathogen and Pest Management and Sustainable Agriculture in the Developing World," Bentley, J.W., et al. MANEJO Y USOS DE LOS PESTICIDAS EN CHILE: PROBLEMAS Y RECOMENDACIONES, seminario, Junio de 1995, 126-pgs, Centro EULA-Chile, Univ. de Concepcion, Casilla 156-C, Concepcion, CHILE.

WHEAT RUSTS, AN ATLAS OF RESISTANCE GENES, McIntosh, R.A., et al, 1995, 200-pgs; and,

THE FAMILY TRICHODORIDAE: STUBBY ROOT AND VIRUS VECTOR NEMATODES, Decraemer, W., 1995, 376-pgs., both from: Kluwer Academic Publishers, PO Box 358, Accord Station, Hingham, MA 02018-0358, USA. E-mail: kluwer@wkap.com Fax: 1-617-871-6528 Phone: 1-617-871-6600





RESOURCES BIOTECH NEWS OFFERED Timely reporting on the subject of biotechnology related to IPM (and other topics) appears in the ISB NEWS REPORT, a free monthly newsletter >from Information Systems for Biotechnology, co-sponsored by the National Biological Impact Assessment Program (US). The periodical's February 1996 issue includes two articles on regulation of genetically modified organisms in Australia, as well as related reports by editor P.L. Traynor. The REPORT is available as e-mail, on the Web, or in hard copy form. FMI: ISB, 120 Engel Hall, VPI, Blacksburg, VA 24061-0308, USA Phone: 1-540-231-2620 Fax: 1-540-231-2614 E-mail: nbiap@vt.edu or traynor@nbiap.biochem.vt.edu

IPM INFORMATION A free, 21-page INTEGRATED PEST MANAGEMENT INFORMATION PACKAGE covers IPM concepts and presents a summary of IPM in the present and future. The 1995, well written text links IPM and sustainable agriculture in a positive way. FMI: Appropriate Technology Transfer for Rural Areas, PO Box 3657, Fayetteville, AK 72702, USA Phone: 1-800-346-9140 or 1-501-442-9824 Fax: 1-501-442-9842 CROPPING INFORMATION PACKAGE A U.S. firm offers a package of software programs, individualized agricultural management maps, and a planner that, together, provide useful information for the field phases of crop production. The system is designed to capture information that helps growers make more informed decisions on practices, including pest management. A computer and standardized aerial maps of the targeted fields are required. A free demonstration disc is available. FMI: Crop Growers Software, Inc., 7600 Mineral Drive, Coeur d'Alene, ID 83814, USA Phone: 1-800-381-6617 Fax: 1-208-772-8950 GREENHOUSE IPM ON-LINE The IOBC (International Organisation for Biological Control of Noxious Animals and Plants) SEARS (South and East Asian Regional Section) Working Group on IPM in Greenhouse Crops recently announced establishment of a web page:

http:..www.dpi.qld.gov.au/iobc/wg.html or www.dpi.qld.gov.au The aim of the SEARS Working Group on IPM in Greenhouse Crops will be to promote the development and adoption of IPM in the greenhouse industry, and to facilitate exchange of information and progress in research, including regular contact with members, as well as to provide information via a newsletter.

FMI: R. Parker, Maroochy Hort. Resch. Station, PO Box 5083, Sunshine Coast Mail Centre, Nambour, Qld 4560, AUSTRALIA E-mail: parkerr@dpi.qld.gov.au Phone: 61-74-449-600 Fax: 61-74-412-235

BIOCONTROL AGENTS A free catalog of beneficial organisms, as well as traps, soil care, and other materials, is offered by: Arbico, PO Box 4247, Tucson, AZ 85738, USA Phone: (in U.S.) 1-800-827-2847 IPM WEB PAGE The Univ. of California statewide IPM program has established a web page as a means of communicating the program's resources and activities to those interested. The URL is: www.ipm.ucdavis
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IPM RESEARCH/TECHNICAL PAPERS --- categories and topics related to IPM

II. RESEARCH REVIEW research and findings related to IPM. Biotech Links to IPM In a shortbut provocativepaper, "Biotechnology and New Integrated Pest Management Approaches," J.D. DeVault et al observe that the magnitude of environmental problems attributed to pesticides, and the fact that insecticide-resistant pests repeatedly have developed with every class of insecticide introduced, underscore the serious need for devising alternative approaches, including those based on biotechnological strategies. Biotech methods can be used to increase the fitness of a pest's natural enemy, or to manipulate a pest's decreased fitness. The current trend points toward genetically altering the pest species. The authors report on the possibility of developing an interspecies vector and discuss ways such a vector could be effectively employed in IPM systems. They further suggest that, if such an approach were developed, it could be utilized in conjunction with other methods to provide relatively safe, ecologically sound insect pest management without damaging an agricultural economy.

excerpted from: BIO/TECHNOLOGY, 14(1), 46-49, January 1996.

Three-Pronged Effort Curtails Weed A combination of grazing, mowing, and use of a dryland legume has provided encouraging results as an integrated package for managing Centaurea solstitialis (yellow starthistle), a spiny, highly noxious weed. Data from two years of a three-year test program in the U.S. state of California revealed that carefully timed heavy grazing by ruminants, coupled with planting subterranean clover (Trifolium subterraneum) provided dramatically better control compared to other plots (mowing alone, grazing alone). The research team speculated that the shade produced by dense subclover mats and leaf canopy, plus the higher degree of competition for moisture in these plots, suppressed weed growth.

The research, a joint effort of the Univ. of California and the Bio-Integral Resource Center (BIRC), used sheep to graze the test plots. Starthistle was found to be a palatable source of protein in its bolting, pre-spiny stage. However, mowing the plots during the early bolting stage could increase starthistle populations by reducing pressure from other early maturing plants. FMI: W. Olkowski, BIRC, PO Box 7414, Berkeley, CA 94707, USA Fax: 1-510-524-1758 Phone: 1-510-524-2567

excerpted from: "Grazing, Mowing and Clover Plantings Control Yellow Starthistle," Thomsen, C.D., et al, THE IPM PRACTITIONER, XVIII(2), 2-4, February 1996.

This Month's Noted Research Papers "Agronomy and Phenology of `Companion Plants' of Potential for Enhancement of Insect Biological Control," Bowie, M.H., et al. NZ JRNL. OF CROP AND HORT. SCI., 23(4), 423-428, December 1995. "Development of the Barley-Barley Mildew (Erysiphe graminis f. sp. hordei) Pathosystem in the Course of a Growing Season, and Consequences for Plant Health - A Study in Northern France," Hoffstadt, T., et al. PFLANZ.-NACH. BAYER, 48(2), 379-399, 1995.

"Effects of Herbicide-induced Habitat Alterations on Blackbird Damage to Sunflower," Linz, G.M., et al. CROP PROT., 14(8), 625-630, December 1995.

"Insect Against Insecticides," Berge, J.B., and N. Pasteur. BIOFUTUR, 152, 13-18, January 1996, (in French).

"Insect Pests of Beans in Africa: Their Ecology and Management," Abate, T., and J.K.O.Ampofo. ANN. REV. OF ENTO., 41, 45-74, 1996.

"Integrated Control of Root-knot Disease in Three Crop Plants Using Chitin and Paecilomyces lilacinus," Mittal, N., et al. CROP PROT., 14(8), 647-652, December 1995.

"Integrated Pest Management Working Group - Integrated Pest Management," Kettela, E.G. FOR. CHRON., 71(6), 773-774, November-December 1995.

"Introduction, Release and Recovery of Several Exotic Natural Enemies for Biological Control of the Citrus Leafminer, Phyllocnistis citrella, in Israel," Argov, Y., and Y. Rossler. PHYTOPAR., 24(1), 33-38, 1996.

"Open-field Tests in Host-specificity Determination of Insects for Biological Control of Weeds," Cristofaro, M. BIOCON. SCI. AND TECH., 5(4), 395-406, 1995.

"Outbreaks of Colony-forming Pests in Tri-trophic Systems: Consequences for Pest Control and the Evolution of Pesticide Resistance," Jansen, V.A.A., and M.W. Sabelis. OIKOS, 74(1), 172- , October 1995.

"Parasitoids of the African Stem Borer, Busseola fusca (Lepidoptera: Noctuidae), in South Africa," Kfir, R. BULL. OF ENTOMOL. RESCH., 85(3), 369-378, September 1995.

"Population Dynamics and Life Tables of the Mango Mealy bug, Rastrococcus invadens Williams, and its Introduced Natural Enemy Gyranusoidea tebygi Noyes in Benin," Boavida, C., and P. Neuenschwander. BIOCON. SCI. AND TECH., 5(4), 489-508, 1995.

"Quantitative Field Resistance of Wheat to Powdery Mildew and Defense Reactions at the Seedling Stage: Identification of a Potential Marker," Kmecl, A., et al. PHYSIOL. AND MOLECULAR PLT. PATH., 47(3), 185-200, September 1995.

"Resistance of Tomato Spotted Wilt Virus in Transgenic Tomato Hybrids Z," Ultzen, T., et al. EUPHYTICA, 85(1-3), 159-168, 1995.

"Soil Tillage and Eyespot: Influence of Crop Residue Distribution on Disease Development and Infection Cycles," Colbach, N., and J.M. Meynard. EUR. JRNL. OF PLANT PATH., 101(6), 601-612, November 1995.

"Some Problems Associated with the Analysis of the Costs and Benefits of Pesticides," Bowles, R.G., and J.P.G. Webster. CROP PROT., 14(7), 593-600, November 1995.

"Suppression of Boll Weevil (Coleoptera: Curculionidae) Infestations on South Texas Cotton by Augmentative Releases of the Parasite Catolaccus grandis (Hymenoptera: Pteromalidae)," Summy, K.R., et al. BIO. CONTROL, 5(4), 523-529, December 1995.

"The Challenge of Linking Pest and Crop Models," Kropff, M.J., et al. AGRIC. SYST., 49(4), 413- , 1995.

"The Role of Public Policy in Implementing IPM," Ramirez, O.A., and J.D. Mumford. CROP PROT., 14(7), 565-572, November 1995.

"Use of Two Humane Leg-hold Traps for Catching Pest Species," Meek, P.D., et al. WILDLIFE RESCH., 22(6), 733-740, 1995.




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U.S. REGIONAL IPM CENTERS AND THE IPM-CRSP --- news, developments


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U.S. AID's IPM-Collaborative Research Support Program (IPM CRSP)


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IPMNET CALENDAR --- recent additions and revisions to a comprehensive global

IV. CALENDAR a global summary of future meetings, seminars, conferences, and training courses that relate to IPM. Please send information about future events to:

IPMnet NEWS, c/o Integrated Plant Protection Center 2040 Cordley Hall, Oregon State University Corvallis, OR 97331-2915, USA Fax: 01-541-373-3080 E-mail: IPMnetNUZ@bcc.orst.edu # = new entry since the last issue of IPMnet NEWS. {+} = additional information. or changes.



See also Meetings and Conferences listed in the WWW Virtual Library for Agriculture.

1996 1-4 April SHORT COURSE ON TRICHOGRAMMA, Departamento de Entomologia, ESALQ/USP, Piracicaba, SP, BRASIL. Contact: J.R.P. Parra e-mail: jrpparra@carpa.ciagri.usp.br; or, R.A. Zucchi e-mail: razucchi@carpa.ciagri.usp.br 8-12 April NORTH AMERICAN FOREST INSECT WORK CONFERENCE, "Forest Entomology - Vision 20:21," San Antonio, TX, USA. Interdisciplinary panels, workshops, and posters focused on forest health management in Canada, USA, and Mexico. Contact: R. Billings, PO Box 310, Lufkin, TX 75902-0310, USA.

# 11-13 April CORNELL COMMUNITY CONFERENCE ON BIOLOGICAL CONTROL, Ithaca, NY, USA. Contact: P. Deeb, Office of Research, 245 Roberts Hall, Cornell Univ., Ithaca, NY 14853, USA. E-mail: pad@cornell.edu

16-18 April SIXTH INTERNATIONAL PARASITIC WEED SYMPOSIUM, Cordoba, SPAIN. Contact: M.T. Moreno, Centro de Investigacion y Desarrollo Agrario, Apartado 4240, 14080 Cordoba, SPAIN Phone: 34-57-293833 Fax: 34-57-202721

22-25 April INTERNATIONAL MEETING ON MANAGING THE CITRUS LEAFMINER, Orlando, FL, USA. Invited talks and posters will provide information on CLM (Phyllocnistis citrella Staint): biology, monitoring, impact, research needs, developing integrated controls, and regulatory issues. Contact: M.A. Hoy, Dept. of Entomology & Nematology, PO Box 110620, Univ. of Florida, Gainesville, FL 32611-0620, USA E-mail: mahoy@gnv.ifas.ufl.edu Phone: 01-904-392-1901, ext. 153 Fax: 01-904-392-0190

29 April-24 May 3RD INTERNATIONAL TRAINING COURSE ON BIOLOGICAL CONTROL OF ARTHROPOD PESTS & WEEDS, Silwood Park, U.K. Contact: S. Williamson, IIBC, Silwood Park, Ascot, Berks. SL5 7TA, U.K. E-mail: s.williamson@cabi.org Fax: 44-1344-875007 Phone: 44-1344-872999

24-26 April INTERNATIONAL PESTICIDES CONFERENCE: CROP PROTECTION TOWARDS 2000, KL Hilton International, Kuala Lumpur, MALAYSIA. Co-organized by the Malaysian Agricultural Chemicals Assn., and the International Group of National Associations of Manufacturers of Agrochemical Products. Sessions will cover a wide range of topics, including IPM. Contact: MACA Secretariat, Ticket Serahan, Tingkap No. 43, Damansara Jaya, 47409 Petaling Jaya, MALAYSIA Phone: 60-3-704-8968 Fax: 60-3-704-8964

24-28 April ECONOMICS OF AGRO-CHEMICALS, a symposium of the International Assn. of Agric. Economists, Wageningen International Conference Centre (WICC), Wageningen, THE NETHERLANDS. Contact: A. Wossink, Wageningen Agric. Univ., Dept. of Farm Management, PO Box 8130, 6700 EW Wageningen, THE NETHERLANDS E-mail: Ada.Wossink@ALG.abe.wau.nl Phone: 31-317-484370 Fax: 31-317-484763

25-26 April AMERICAN CROP PROTECTION ASSOCIATION SPRING CONFERENCE, Crystal Gateway Marriott Hotel, Arlington, VA, USA. Contact: M. James e-mail: michellj@acpa.org Phone: 1-202-463-0474

7 May 48TH INTERNATIONAL SYMPOSIUM ON CROP PROTECTION, Univ. of Gent, BELGIUM. Contact: L. Tirry, Faculty of Agricultural and Applied Biological Sciences, Coupure Links 653, B-9000 Gent, BELGIUM Phone: 32-0-9-264-6152 Fax: 32-0-9-264-6239

13-15 May 6TH INTERNATIONAL WORKSHOP ON PESTICIDES IN SOIL AND THE ENVIRONMENT, Stratford-upon-Avon, UK. Contact: AAP, c/o Horticulture Research International, Wellesbourne, Warwick CV35 9EF, UK. Phone: 44-1789-470382 Fax: 44-1789-470234

9-14 June 5TH SYMPOSIUM OF BIOLOGICAL CONTROL (SICONBIOL), Rafain Palace Hotel, Foz do Iguacu (Iguazu Falls), Parana, BRAZIL. Contact: F. Moscardi, President-5th SICONBIOL, EMBRAPA - Centro Nacional de Pesquisa de Soja, Cx. Postal 1061, CEP 86001-970, Londrina, PR, BRAZIL E-mail: moscardi@cnpso1.embrapa.anpr.br

23-28 June 11TH INTERNATIONAL BOTRYTIS SYMPOSIUM, Wageningen, NETHERLANDS. Contact: J.A.L. van Kan, Dept. of Phytopathology, WAU, PO Box 8025, 6700 EE Wageningen, NETHERLANDS E-mail: jan.vankan@medew.fyto.wau.nl Phone: 31-8370-83126 Fax: 31-8370-83412

25-28 June 2ND INTERNATIONAL WEED CONTROL CONGRESS, organized by the International Weed Science Society, Copenhagen, DENMARK. Two concurrent sessions each day beginning with a keynote address on the session theme. Contact: ICS, PO Box 41, DK-2900 Hellerup, DENMARK; or IWSS, c/o IPPC, Oregon State University, Corvallis, OR 97331-2915, USA Phone: 01-503-737-3541 Fax: 01-503-737-3080 E-mail: larsons@bcc.orst.edu

1 July-16 August INTERNATIONAL COURSE: BIOLOGY AND IDENTIFICATION OF INSECTS AND MITES OF IMPORTANCE TO MANKIND, London, UK. Contact: D. Agassiz, IIE, 56 Queen's Gate, London SW7 5JR, UK E-mail: d.agassiz@cabi.org Fax: 44-1715-811676

2-5 July 3RD SYMPOSIUM, EUROPEAN ASSOCIATION OF ACAROLOGISTS, Amsterdam, THE NETHERLANDS. Theme: "Ecology and Evolution in the Acari." Emphasis will be given to phylogeny, evolutionary ecology, and population dynamics. Contact: T. Korzilius, Population Biology, Univ. of Amsterdam, Kruislaan 320, 1098 SM Amsterdam, THE NETHERLANDS Fax: 31-20-525-7754 Phone: 31-20-525-7736 E-mail: korzilius@bio.uva.nl

2-7 July 3RD INTERNATIONAL NEMATOLOGY CONGRESS, Gosier, Guadeloupe, FRENCH WEST INDIES. Contact: A. Kermarrec, INRA, BP 1232, F-97185 Pointe-a-Pitre Cedex, Guadeloupe, FWI Phone: 590-255-940 Fax: 590-941-172

8-10 July INTERNATIONAL CONFERENCE ON INSECT PESTS IN THE URBAN ENVIRONMENT, Heriot-Watt Univ., Edinburgh, U.K. Contact: W. Robinson, Urban Pest Control Resch. Center., Dept. of Entomology, VPI&SU, Blacksburg, VA 24061-0319, USA.

8-19 July 4TH ANNUAL SUMMER INSTITUTE ON GLOBAL PEST RESISTANCE MANAGEMENT, East Lansing, MI, USA. Contact: M.R. Bush or M.E. Whalon, B-11 Pesticide Research Center, Michigan State Univ., East Lansing, MI 48824-1311, USA Phone: 1-517-355-1768 E-mail: bushm@pilot.msu.edu Fax: 1-517-353-5598

15-18 July 14TH SOUTH AFRICAN WEED SCIENCE SOCIETY CONGRESS, Lowveld Agric. College, Nelspruit, SOUTH AFRICA. Contact: SAWSS, PO Box 27552, Sunnyside, Pretoria 0132, SOUTH AFRICA Phone: 27-12-4203-227 Fax: 27-12-3422-713

27-31 July AMERICAN PHYTOPATHOLOGICAL SOCIETY ANNUAL MEETING, Indianapolis, IN, USA. Contact: APS, 3340 Pilot Knob Road, St. Paul, MN 55121-2097, USA Phone: 01-612-454-7250 Fax: 01-612-454-0766 E-mail: zzz6882@vz.cis.umn.edu

12 August-20 September. INTERNATIONAL COURSE ON THE IDENTIFICATION OF FUNGI OF AGRICULTURAL & ENVIRONMENTAL SIGNIFICANCE, Egham, UK. Contact: S. Groundwater, International Mycological Institute, Bakeham Lane, Egham, Surrey TW20 9TY, UK Phone: 44-1784-470111 Fax: 44-1784-470909 E-mail: s.groundwater@cabi.org

25-31 August 20TH INTERNATIONAL CONGRESS OF ENTOMOLOGY, Palazzo dei Congressi, Florence, ITALY. Science program includes 26 sections. Contact: O.I.C., Via A. La Marmora 24, 50121 Florence, ITALY Fax: 39-55-500-1912 Phone: 39-55-500-0631

(no date) August 9TH INTERNATIONAL CONFERENCE ON PLANT PATHOGENIC BACTERIA, Madras, INDIA. Contact: A. Mahadevan, Centre for Advanced Study in Botany, Univ. of Madras, Guindy Campus, Madras 600 025, INDIA Fax: 91-4456-6693

1-7 September 29th ANNUAL MEETING OF THE SOCIETY FOR INVERTEBRATE PATHOLOGY, and 3rd INTERNATIONAL COLLOQUIUM ON BACILLUS THURINGIENSIS, Univ. of Cordoba, Cordoba, SPAIN. Contact: C. Santiago-Alvarez, Catedra de Entomologia Agricola y Forestal, E.T.S.I.A.M., Univ. de Cordoba, Apartado 3048, 14080 Cordoba, SPAIN E-mail: crlsaalc@lucano.uco.es Phone: 34-57-218475 Fax: 34-57-298343

# 3-4 September INTERNATIONAL WORKSHOP, MATING DISRUPTION OF LEAFROLLERS IN FRUIT ORCHARDS, S. Michele, ITALY. Contact: D. Forti, Instituto Agrario, S. Michele all'Adige, 38010 TN, ITALY E-mail: Diego.Forti@ismaa.it Fax: 39-46-165-0872

9-11 September IOBC INTERNATIONAL CONFERENCE, "TECHNOLOGY TRANSFER IN BIOLOGICAL CONTROL: FROM RESEARCH TO PRACTICE," Montpellier, FRANCE. Sponsored by The Council of the global International Organization for Biological Control. Contact: J.P. Aeschlimann, CSIRO Biological Control Unit, Campus de Baillarguet, 34980 Montferrier-sur-Lez, FRANCE E-mail: aeschlim@cypres.montpellier.inra.fra Fax: 33-67-599-040

9-11 September ADVANCES IN THE CHEMISTRY OF CROP PROTECTION, Cambridge, UK. Contact: Society of Chemical Industry, 14/15 Belgrave Square, London, SW1X 8PS, UK Phone: 44-171-235-3681 Fax: 44-171-823-1698

16-20 September 1ST WORLD CONGRESS ON ALLELOPATHY, Cadiz, SPAIN, International Allelopathy Soc. (newly formed, in INDIA, in September 1994). Contact: F.A. Macias, IAS, Dept. of Organic Chem., Fac. of Sci., Univ. of Cadiz, Apdo. 40, 11510 Puerto Real-Cadiz, SPAIN Fax: 34-56-834924 Phone: 34-56-830217 E-mail: famacias@galeon.uca.es

25-27 September COURSE ON MITES OF GREENHOUSES; IDENTIFICATION, BIOLOGY AND CONTROL, Internat. Inst. of Entomology, London, U.K. Contact: D. Agassiz, IIE, 56 Queen's Gate, London SW7 5JR, U.K. Phone: 44-171-584-0067 Fax: 44-171-581-1676 E-mail: d.agassiz@cabi.org

30 September-3 October 11TH AUSTRALIAN WEEDS CONFERENCE, Melbourne Univ., Melbourne, AUSTRALIA. Contact: Weed Sci. Soc. of Victoria, PO Box 987, Frankston, VIC 3199, AUSTRALIA Phone: 61-3-961-92603 Fax: 61-3-961-91756

5-9 October ANNUAL MEETING, ENTOMOLOGICAL SOCIETY OF CANADA, Lord Beaverbrook Hotel, Fredericton, N.B., CANADA. Contact: J. Sweeney, Canadian Forest Service-Maritimes, PO Box 4000, Fredericton, N.B., E3B 5P7, CANADA Phone: 1-506-452-3250 Fax: 1-506-452-3525 E-mail: JSweeney@FCMr.forestry.ca

14-16 October INTERNATIONAL CONFERENCE ON ECOTOXICOLOGY: PESTICIDES & BENEFICIAL ORGANISMS, Cardiff International Arena, Wales, UK. Contact: P. McEwen, Welsh Pest Management Forum, PO Box 915, Cardiff CF1 3TL, UK Fax: 44-222-450-538 E-mail: SABPKM1@cardiff.ac.uk

(no date) November AFRO-ASIAN SOCIETY OF NEMATOLOGISTS, 3RD INTERNATIONAL NEMATOLOGY CONFERENCE, Coimbatore, INDIA. Contact: U.K. Mehta, Dept. of Nematology, Sugarcane Breeding Institute, Coimbatore, Tamil Nadu 641 007, INDIA Fax: 91-422-445611 Phone: 91-422-441179

4-6 December 4TH INTERNATIONAL CONFERENCE ON PESTS IN AGRICULTURE, Montpellier, FRANCE. Contact: ANPP, 6 Blvd. de la Bastille, F-75012 Paris, FRANCE.

8-12 December ENTOMOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING, Galt House, Louisville, KY, USA. Contact: ESA, 9301 Annapolis Rd., Suite 300, Lanham, MD 20706, USA Phone: 1-301-731-4535 Fax: 1-301-731-4538 E-mail: pubs@entsoc.org

1997 2-6 February WEED SCIENCE SOCIETY OF AMERICA ANNUAL MEETING, Orlando, FL, USA. Contact: WSSA, 1508 W. University Ave., Champaign, IL 61821-3133, USA Phone: 1-217-352-4212 # 13-18 April INTEGRATED PEST MANAGEMENT IN HORTICULTURAL CROPS, an international symposium, Agadir, MOROCCO. Oral and poster presentations related to integrated control of pests of horticultural crops, plus post-symposium tours. Contact: Institut Agronomique et Veterinaire Hassan II, BP 18/S, Agadir, MOROCCO Fax: 212-824-2243 Phone: 212-824-1006

29-31 May INTERNATIONAL SYMPOSIUM ON ACREMONIUM/GRASS INTERACTIONS, Atlanta, GA, USA. Contact: N.S. Hill, Dept. of Agronomy, Univ. of Georgia, Athens, GA, USA.

20-23 July SOCIETY OF NEMATOLOGISTS MEETING, Tucson, AZ, USA.

9-13 August AMERICAN PHYTOPATHOLOGICAL SOCIETY ANNUAL MEETING, Rochester, NY, USA. Contact: APS, 3340 Pilot Knob Road, St. Paul, MN 55121-2097, USA Phone: 1-612-454-7250 Fax: 1-612-454-0766 E-mail: zzz6882@vz.cis.umn.edu

# September * 16TH ASIAN-PACIFIC WEED SCIENCE SOCIETY CONFERENCE, Kuala Lumpur, MALAYSIA. Contact: B.H. Bakar, Botany Dept., Univ. of Malaya, 59100, Kuala Lumpur, MALAYSIA Phone: 60-3-75-4351 E-mail: baki@botany.um.edu.my Fax: 60-3-759-4178

8-12 December ENTOMOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING, Galt House, Louisville, KY, USA. Contact: D. Voegtlin, Illinois Natural History Survey, 607 E. Peabody, Champaign, IL 61820, USA. Phone: 1-217-244-2152.

(no date) 7TH INTERNATIONAL VERTICILLIUM SYMPOSIUM, Athens, GREECE. Contact: R.C. Rowe, Dept. of Plant Pathology, Ohio State Univ., Wooster, OH 44691, USA. E-mail: rowe.4@osu.edu. Fax: 1-216-263-3841.





IPMnet Sponsor IPMnet, a Global IPM Information Service, is sponsored, produced, and provided (without cost to recipients) by the Consortium for International Crop Protection (CICP). The Consortium, 12 educational/research institutions with strong interests in development, research, and productive application of rational crop protection and pest management, has been an international presence for over 20 years. Current members are: Univ. of California, Cornell Univ., Univ. of Florida, Univ. of Hawaii, Univ. of Illinois, Univ. of Minnesota, North Carolina State Univ., Oregon State Univ., Univ. of Puerto Rico, Purdue Univ., Texas A&M Univ., and the U.S. Dept. of Agriculture.

R.E. Ford (Univ. of Illinois) chairs CICP's Board of Directors, G. Teetes (Texas A&M Univ.) is vice chairman and treasurer, and G.A. Schaefers (Cornell Univ.) serves as executive director. The Consortium maintains an administrative office at:

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J.D. Harper, chair - JAMES_HARPER@ncsu.edu A. Alvarez - ALVAREZ@uhunix.uhcc.hawaii.edu D. Dickson - DWD@gnv.ifas.ufl.edu M. Kogan, ex-officio - KOGANM@bcc.orst.edu G. Schaefers, ex-officio - GAS1@nysaes.cornell.edu





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