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April 1997, Issue no. 40
ISSN: 1523-7893 Copyright 2005

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IPM NEWS --- international IPM news and programs

I. IPM NEWS / APPLICATIONS international IPM news and programs Asian Nations Battle Cocoa Pest Two key Asian cocoa (Theobroma cacao) producing nations, Indonesia and Malaysia, are engaged in research and implementation of biologically-based pest managment programs to reduce the economic impact of the cocoa pod borer moth (Conopomorpha cramerella [Snell.]), according to recent news reports. A two step, "low technology" technique being used on experimental plots at Sulawesi, Indonesia, involves pruning cocoa trees, and regular, frequent, and complete harvesting of cocoa pods. Preliminary results showed yield losses decreased to five percent compared with 30 to 35 percent in other infested areas found in roughly 40,000 ha (100,000 a) throughout the country.

Pruning produces an open canopy penetrated by sunshine and a less desirable environment for C. cramerella. It also creates shorter trees more easily harvested, which relates to the second step: frequently picking all ripe pods to interupt the moth's life cycle and vastly reduce reinfestation. Both steps can be implemented immediately with no additional inputs.

In Malaysia, the government announced that field trials based on use of the parasitic wasp, Trichogramma sp., have shown that cocoa yield loss can be reduced from as high as 80 percent to five percent. The predator is a common parasite in the region, but its specific use against the cocoa pod borer moth is a relatively recent technique for cocoa growing.

A Malaysian government agency is considering commercial rearing of the parasite by passing on the technology to the private sector which can produce the wasps for commercial use. Commercial rearing is expected to begin in 1998. There is also a possibility that the same technology could be transferred to Indonesia.

The minute parasitic wasp also can be employed against insect pests attacking corn and certain vegetables. Malaysian plans call for year round Trichogramma releases so that a predator presence is maintained in the field at all times.

[Note: for further cocoa pest management information check DIRECTORY OF IPM RESOURCES (DIR) at: ipmwww.ncsu.edu/cicp/DIR/].

Group Lobbies for Increased IPM Funds A growing coalition of grower, consumer, and environmental groups in the U.S. have launched a lobbying effort to convince the national Congress to allot US million for research and educational activities supporting "farmer progress along the IPM continuum" in fiscal year 1998 (beginning in September, 1997), according to a recent e-mail memo from one of the effort's leaders. The increased budget, double the amount requested by President Clinton's administration, is sought to fund a range of specific activities that the appeal terms "biologically-based integrated pest management." A list of reasons, with specifics for moving away from use of pesticides, includes: increasing pest resistance to chemicals; anticpated loss of pesticide registrations; expanding consumer demand for residue-free products; and maintaining global comptetiveness.

The appeal also notes that the U.S. Food Quality Protection Act of 1996 will be implemented over the next 10 years including a massive review of pesticide use, quite possibly leading to important changes in the way pesticides can be used on many crops. "Farmers not yet moving along the IPM continuum will need help and face tougher choices in making the transition away from chemical-dependent systems," the appeal contends.

FMI: Benbrook Consulting Services, 409 First Street S.E., Washington, DC 20003, USA. E-mail: benbrook@hillnet.com Fax: 1-202-546-5028 Phone: 1-202-2546-5089

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IPM MEDLEY --- publications and other IPM information resources

II. IPM MEDLEY general information, publications of interest, and other resources related to IPM The Case of the Mistaken Greens Two closely related plant species one a pernicious aquatic weed, the other a benign native plant, coupled with ethnic culinary tastes, add up to a major pest headache for the state of Queensland and possibly other areas of Australia. Alternanthera philoxeroides, otherwise known as alligator weed, is considered one of the world's worst weeds. It grows rapidly, forms dense mats, kills aquatic fauna, and wreaks havoc on water flow and quality. It also has the ability to absorb and accumulate heavy metals, and commonly contains calcium oxalate crystals, though usually well below toxic levels.

Both A. philoxeroides and a related native species, A. sessilis which doesn't evidence weedy potential in Australia, are used in a popular green vegetable dish by the Southeast Asian community. The problem: starting in 1995, authorities began discovering that A. philoxeroides was being cultivated as a herb or green vegetable, a serious problem given the weed's powerful natural ability to rapidly spread.

A response team has been formed. Civil agencies now offer to replace any A. philoxeroides plants growing in gardens with A. sessils plants free of charge. On a larger scale, programs to control the weedy plant using both a beetle for biocontrol and limited herbicide application achieved a measure of control, but only if an infestation is identified and treated at an early stage while still manageable.

excerpted from, WEED WATCH, 3, March-June 1996.

Consultants Advocate Pesticides A 1996 survey of 25 pest control consultants in the orchard-rich region of the U.S. state of Washington revealed that the majority increased their recommendations for insecticide application to control the enlarging problem of codling moth (Cydia pomonella L.) but also felt that growers were losing the ability to control this key pest economically and effectively. The survey, conducted by extension specialist T. Alway and reported in the February 1997 issue of AREAWIDE IPM UPDATE, indicated that there was deep interest among consultants in the use of mating disruption for codling moth control, but that there were still inherent difficulties in the monitoring phase, which needs to be made more "consultant-friendly."

Alway also found that consultants in the area identify "overhead irrigation and bin piles as frequently contributing to or aggravating" codling moth control problems. The article points out that "deciding if a control treatment is needed, and what that treatment will be" is one of the most important management decisions made each year.

FMI: T. Alway, WSU Cooperative Extension, 400 Washington St., Wenatchee, WA 98801, USA. E-mail: alway@coopext.cahe.wsu.edu Fax: 1-509-664-5561 Phone: 1-509-664-5540

excerpted from: AREAWIDE IPM UPDATE, 2(2), February 1997.

IPMporium .... A study conducted in Western Sudan to determine the best time and frequency of manual weeding in rainfed groundnut found that the farmers' practice (one early weeding and a second at early flowering stage) was economically superior to several other weeding regimes under local semi-arid, sandy soil conditions. .... A U.S. firm has developed a simple "dispenser pole" for helping growers place pheromone dispensers in the upper one-third of tall fruit trees.

.... The Pesticide Policy Project based in Germany is assisting the Thai government to develop and implement a more effective regulatory framework for pesticide registration and use. A collaborative workshop involving the University of Hannover, the Thailand Development Research Institute, FAO, and GTZ will be held in 1997 to gain consensus for pesticide policy reform.

.... Bins, crates, or boxes stacked in or near an orchard can become infested and thus a serious source of insect pests unless specific preventative measures are followed.

.... Recently reported research suggests that chemicals used to effectively control citrus fruit and leaf spot disease in Kenya caused by Phaeoramularia angolensis could be reduced from seven applications to five and more appropriately timed.


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.

Peanut Diseases Revisited A group of more than 50 international experts contributed material to the second edition of COMPENDIUM OF PEANUT DISEASES, a recent revision of a 1984 title, published by the American Phytopathological Society (APS). The 94-page, softbound work, edited by N. Kokalis-Burelle, et al, features nearly 200 color photos to help identify and control peanut diseases. The text extensively reviews several disease categories and concludes with a key section on management. FMI: APS Press, 3340 Pilot Knob Road, St. Paul, MN 55121-2097, USA. E-mail: aps@scisoc.org Fax: 1-612-454-0766 Web site: www.scisoc.org In Europe: apspress@pophost.eunet.be Fax: 32-16-20-2535 Rethinking Pesticide Policy Following the hypothesis that "in many countries pesticides are used at levels exceeding the social optimum," the most recent title (and fifth in a publication series) from The Pesticide Policy Project based in Germany surveys CROP PROTECTION POLICY IN THAILAND - INFLUENCING ECONOMIC AND POLTICAL FACTORS. The 76-page report by F. Jungbluth cites prices and subsidies, institutional involvement, reliance on biased information, and tolerance of negative impacts as reasons for Thailand's continued heavy reliance on pesticides. The text was published, in 1996, as an initial step toward implementing pesticide policy reform. FMI: G. Fleischer, Pestice Policy Project, Herrenhauser Str. 2, D-30419 Hannover, GERMANY. E-mail: fleischer@ifgb.uni-hannover.de Fax: 49-511-762-2667 Potato Viruses and Other Pests Profiled A 1996 publication from Centro Internacional de la Papa (CIP) summarizes POTATO VIRUSES AND THEIR CONTROL and is said to also serve as a general guide to virology in other crops. Author and CIP virologist L.F. Salazar addresses viral ecology and describes techniques useful to both researchers and students. In hardcover, 214 pages. CIP also has revised and republished an earlier title, MAJOR POTATO DISEASES, INSECTS, AND NEMATODES, as a 111-page work in 1996. This manual presents identification photos along with information on symptoms and recommended control practices.

FMI on either title: CIP Communications, Apartado 1558, Lima 12, PERU. E-mail: cip-communications@cgnet.com Fax: 51-1-435-1570 Phone: 51-1-435-4354

Publication Briefs * The International Crops Research Institute for the Semi-Arid Tropics' 24-page Information Bulletin #47, SCREENING METHODS AND SOURCES OF RESISTANCE TO RUST AND LATE LEAF SPOT OF GROUNDNUT, has been published in French, Portuguese, and Spanish versions. FMI: ICRISAT, IMEP, Patancheru 502 324, Andhra Pradesh, INDIA E-mail: ICRISAT@cgnet.com Fax: 91-40-241239 * In February 1997, the U.S. state of Alabama published IPM ALABAMA, 1996 ANNUAL REPORT, a 21-page summary of research and extension activities. FMI: IPM Alabama Program, 204-A Extension Hall, Auburn Univ., AL 36849, USA Fax: 1-334-844-5002 E-mail: gzehnder@acenet.auburn.edu Phone: 1-334-844-6390 Web site: www.acesag.auburn.edu/department/ipm

* CIRAD, the French center for international agricultural research and development, has published CATALOGUE DES PUBLICATIONS DU CIRAD 1996, a multilingual listing. FMI: Librairie du CIRAD, Baitment 4, BP 5035, 34043 Montpellier Cedex 1, FRANCE E-mail: librairie@cirad.fr Web site: Fax: 33-04-67-61-58-20

* A September 1996 supplement to volume 128 of ANNALS OF APPLIED BIOLOGY contains several sections concerned with pests, pesticides, and resistance. FMI: Association of Applied Biologists, National Vegetable Research Station, Wellsbourne, Warwick CV35 9EF, U.K.

* A 17-page, February 1997 document (CS #109) reports on BIOLOGY AND CONTROL OF SEPTORIA DISEASE OF WINTER WHEAT IN WESTERN OREGON. FMI: R. Karow, CSS, 107 CS Bldg., OSU, Corvallis, OR 97331-3002, USA Fax: 1-54-737-1589 E-mail: karowr@css.orst.edu

OTHER RESOURCES QUICK BIBLIOGRAPHIES The U.S. National Agricultural Library periodically prepares "Quick Bibliographies" on current topics. Two recent additions: Q.B. 96-14 "Herbicide Tolerance/Resistance in Plants," and Q.B. 96-15 "Viral Resistance in Plants/Viral Coat Proteins." For a free copy, send a self-addressed label to: Reference Branch, room 100, NAL, USDA-ARS, 10301 Baltimore Ave., Beltsville, MD 20705-2351, USA. IPM DEFINITIONS LIST Everybody, well almost everybody, has had a shot at defining IPM. For all referring to the same topic, the definitions are amazingly varied, doubtlessly reflecting each definer's background and philosophy. Now two researchers have pulled together a COMPENDIUM OF IPM DEFINITIONS, which lists citations from literature published worldwide. The work's chronological sequence reveals how IPM was first identified and how it has evolved. The Compendium can be found at: ipmwww.ncsu.edu/cicp/DIR/. Click on "index," then click on "IPM Definitions." The file is in preliminary form with future refinements planned, say authors W.I. Bajwa and M. Kogan. EQUIPMENT INFORMATION GATHERING DEVICES Following the adage, "to measure is to know," a U.S. firm offers state-of-the-art technology for measuring and monitoring that covers weather monitoring, on-site plant and soil nutrient monitoring, and water quality, plus products related to plant health and special purposes. Plant health diagnostic devices include plant stress detectors and kits for in-field tissue testing. Product sophistication varies from a compact, balance spring operated, relatively simple hand-held wind velocity meter to electronic, computer-linked remote site weather stations. Copies of an illustrated 1997 catalog (prominently mentioning IPM) are free. FMI: Spectrum Technologies, Inc., 23839 W. Andrew Road, Plainfield, IL 60544, USA E-mail: specmeters@aol.com Phone/Fax: 1-815-436-4460 INSECT TRAP COATINGS A U.S. firm markets a range of "sticky" products for use in insect traps. The materials available as pastes, brushable formulas, or aerosols are said to be free of pesticides, clear, odorless, and ready to use without pre-heating. They do not interfere with colored or scented lures, adhere to virtually any trap surface, and remain tacky through repeated wet/dry cycles. FMI: The Tanglefood Co., 314 Straight Ave. SW, Grand Rapids, MI 49504, USA E-mail: tnglfoot@aol.com Fax: 1-616-459-4140 MORE STICKY BUSINESS For anyone who's used short pieces of sticky paper to control flying insects, there's now the ultimate, a 50 foot (15.2 m) roll of bright yellow sticky tape that unwinds from one roller to another as needed. The tape, while flat on the rollers, emerges in a cylindrical shape making it visible to insects from nearly 360 degrees. As the exposed section of tape becomes covered with insects, it's rolled onto the empty roller and a new portion of tape is exposed by unrolling it from the supply roller. The material is said to be rain proof and active for six months. It's odorless, non-toxic and is reported to have reduced pesticide usage in a variety of situations. FMI: Superior Organics, 610 W. Broadway, no. 220, Tempe, AZ 85282, USA E-mail: BOB@superiororganics.com Fax: 1-602-784-2901 Phone: 1-602-784-4024
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IPM RESEARCH/TECHNICAL PAPERS --- categories and topics related to IPM

III. RESEARCH/TECHNICAL PAPERS research findings/technical topics related to IPM. IPMnet can provide an address for any journal listed below. This Month's Selected Materials (broadly grouped by pest categories) General "A Comparison of Spinning Disc Atomisers and Flat Fan Pressure Nozzles in Terms of Pesticide Deposition and Biological Efficacy Within Cereal Crops," Holland, J.M., et al. CROP PROT., 16(2), 179-186, March 1997.

"Assessing the Impact of Pesticides on the Environment," vander-Werf, H.M.G. AGRIC., ECOSYS. & ENVIRO., 60(2-3), 81-96, December 1996.

"Economics and Environmental Impact of a Sustainable Integrated Pest Management Program in Celery," Trumble, J.T., et al. JRNL. OF ECON. ENTOM, 90(1), 139-146, February 1997.

"Implementing Cotton Integrated Pest Management," Matthews, G.A. EXP. AGRIC., 1-14, January 1997.

"Information and the Speed of Innovation Adoption," Fischer, A.J., et al. AMER. JRNL. OF AGRIC. ECON., 78(4), 1073-1081, November 1996.

"Invasions in Agriculture: Assessing the Cost of the Golden Apple Snail in Asia," Naylor, R. AMBIO, 25(7), 443-448, November 1996.

"Metapopulation Dynamics and Pest Control in Agricultural Systems," Ives, A.R., and W.H. Settle. AMER. NAT., 149(2), 220-246, February 1997.

"Molluscicidal Seed Treatment of Barley, Wheat and Perennial Ryegrass to Control the Field Slug (Deroceras reticulatum), Ester, A., and J.J. Nijenstein. NETH. JRNL. OF AGRIC. SCI., 44(3), 241- , December 1996.

"Operator Safety and Plant Deposits when Using Pesticides in Greenhouses," Bjugstad, N., and T. Torgrimsen. JRNL. OF AGRIC. ENG. RESCH., 65(3), 205-212, November 1996.

"Slug Preferences for Winter Wheat Cultivars and Common Agricultural Weeds," Cook, R.T., et al. JRNL. OF APPL. ECOL., 33(4), 866-872, August 1996.


"Integrated Management of Canola Diseases Using Cultural Methods," Kharbanda, P.D., and J.P. Tewari. CAN. JRNL. OF PLANT PATH., 18(2), 168-175, June 1996.

"Management of Powdery Mildew in Summer Squash with Host Resistance, Disease Threshold-based Fungicide Programs, or an Integrated Program," McGrath, M.T., and H. Staniszewska. PLANT DIS., 80(9), 1044-1052, September 1996.

"Soil Solarization for the Control of Verticillium Wilt of Greenhouse Tomato," Bourbos, V.A., and M.T. Skoudridakis. PHYTOPARA., 24(4), 277-280, 1996.

"Status of Cacao Witches' Broom: Biology, Epidemiology, and Management," Purdy, L.H., and R.A. Schmidt. ANN. REV. OF PHYTOPATH., 34, 573-, 1996.

Weed Management

"A Theoretical Framework for Developing Successional Weed Management Strategies on Rangeland," Sheley, R.L., et al. WEED TECH., 10(4), 766-773, October-December 1996.

"Economics of Herbicide Control of Leafy Spurge (Euphorbia esula L.)," Bangsund, D.A., et al. JRNL. OF AGRIC. & RESOUR. ECON., 21(2), 381-395, December 1996.

"Effects of a Potential Biocontrol Agent, Euhrychiopsis lecontei, on Eurasian Watermilfoil in Experimental Tanks," Newman, R.M., et al. AQ. BOT., 53(3,4), 131-149, 1996.

"Striga on Rice in West Africa: Crop Host Range and the Potential of Host Resistance," Johnson, D.E., et al. CROP PROT., 16(2), 153-158, March 1997.

"The Critical Period of Weed Control in Common Bean (Phaseolus vulgaris L.) in Cameroon," Ngouajio, M., et al. CROP PROT., 16(2), 127-134, March 1997.


"Between-season Survival of the Grasshopper Pathogen Metarhizium flavoviride in the Sahel," Thomas, M.B., et al. BIOCON. SCI. & TECH., 6(4), 569-574, December 1996.

"Biological Control of Red Alder (Alnus rubra) with Indigenous Pathogenic Ascomycotina," Dorworth, C.E., et al. CAN. JRNL. OF PLANT PATH., 18(4), 315-324, December 1996.

"Biology and Ecology of Altica carduorum (Chrysomelidae: Coleoptera) from Northwestern China: A Potential Biocontrol Agent for Cirsium arvense (Asteraceae) in Canada," Wan, F.H., et al. BIOCON. SCI. & TECH., 6(4), 509-520, December 1996.

"Comparison of Conventional and Biological Control Intensive Pest Management Programs on Eggplant in New Jersey," Hamilton, G.C., and J. Lashomb. FLOR. ENTOM., 79(4), 488-496, December 1996.

"Lacewings (Neuroptera: Hemerobiidae and Chyrsopidae) and Integrated Pest Management: Enzyme Activity as Biomarker of Sublethal Insecticide Exposure," Rumpf, S., et al. JRNL. OF ECON. ENTOM, 90(1), 102-108, February 1997.

"Mating Disruption of Mexican Rice Borers (Lepidoptera: Pyralidae) in Lower Rio Grande Valley Sugarcane," Spurgeon, D.W., et al. JRNL. OF ECON. ENTOM, 90(1), 223-234, February 1997.

Entomology "A Concise Review of Chironomid Midges (Diptera: Chironomidae) as Pests and their Management," Ali, A. JRNL. OF VECT. ECOL., 21(2), 105-121, December 1996. "Behavioral Manipulation Methods for Insect Pest-Management," Foster, S.P., and M.O. Harris. ANN. REV. OF ENTOM., 42, 123-146, 1997.

"Integrated Mite Control in Apples in Queensland, Australia," Brough, E.J., et al. AGRIC., ECOSYS. & ENVIRO., 60(2-3), 129-138, December 1996.

"Management of Crop Residues to Reduce the Aestivating Population of Stemborers in Maize," Pats, P. INTL. JRNL. OF PEST MAN., 42(3), 151-156, July-September 1996.

"Regional Control Threshold of Rice Stem Borer, Chilo suppressalis Walker (Lepidoptera: Pyralidae), Indicated by Adult Catch with Sex-pheromone Trap," Kojima, A., et al. JAPAN. JRNL. OF APPL. ENTOM. AND ZOOL., 40(4), 279-286, November 1996.

"Relationship Between Crop Rotation Distance from Previous Potatoes and Colonization and Population Density of Colorado Potato Beetle," HoughGoldstein, J.A., and J.M. Whalen. JRNL. OF AGRIC. ENTOM., 13(4), 293-300, October 1996.

Nematology "Control of Citrus Nematode, Tylenchulus semipenetrans, with Cadusafos," McClure, M.A., and M.E. Schmitt. JRNL. OF NEMA., 28(4), 624-628, December 1996. "The Importance of the Host Plant on the Interaction Between Root-knot Nematodes (Meloidogyne spp.) and the Nematophagous Fungus, Verticillium chlamydosporium Goddard," Bourne, J.M., et al. BIOCON. SCI. & TECH., 6(4), 539-548, December 1996.

Vertebrate Management "Feeding Responses of Red-winged Blackbirds to Multisensory Repellents," Avery, M.L., and J.R. Mason. CROP PROT., 16(2), 159-164, March 1997. "Field Evaluation of Methyl Anthranilate for Deterring Birds Eating Blueberries," Avery, M.L., et al. JRNL. OF WILDLF. MAN., 60(4), 929-934, October 1996.

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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 list (in two sections) of future IPM-related events (conferences, training courses, symposia, etc.) See also Meetings and Conferences listed in the WWW Virtual Library for Agriculture.

IPMnet Calendar I. NEW (N), or REVISED (R) entries

In 1997

(N) 2-5 June 10TH CONGRESS OF THE MEDITERRANEAN PHYTOPATHOLOGICAL UNION, Montpellier, FRANCE. Contact: J-P. Geiger, E-mail: geiger@orstom.orstom.fr.

(N) 22-27 June 2ND INTERNATIONAL BACTERIAL WILT SYMPOSIUM, Gosier (Grande-Terre), Guadeloupe, FWI. Contact: P. Prior, 2nd IBWS Organizing Secretary, INRA-URPV, BP 515, 97165 Pointe-a-Pitre Cedex, Guadeloupe, FRANCE E-mail: prior@antilles.inra.fr Fax: 590-94-11-72 Phone: 590-25-59-34


(N) 12-17 October 9TH LATINAMERICAN PHYTOPATHOLOGICAL CONGRESS, Montevideo, URUGUAY. Contact: M. Francis, E-mail: dgsa@chasque.apc.org

(N) 3-5 November ANNUAL INTERNATIONAL RESEARCH CONFERENCE ON METHYL BROMIDE ALTERNATIVES AND EMISSIONS REDUCTION, San Diego, CA, USA. Contact: Methyl Bromide Alternatives Outreach, PO Box 5377, Fresno, CA 93755, USA Phone: 1-209-244-4710

In 1998

(N) 7-12 June 2ND INTERNATIONAL WORKSHOP ON BEMISIA AND GEMINIVIRAL DISEASES, San Juan, PUERTO RICO. Specific topics concerning whiteflies and geminiviruses plus sessions of interest to entomologists, virologists, and IPM specialists. Contact: D. Guy, USDA-ARS, 2120 Camden Road, Orlando, FL 32803-1419, USA E-mail: rmayer@ic.netcom.com Fax: 1-407-897-7337 Phone: 1-407-897-7304

In 1999

- 0 -

In 2000

(N) 20-26 August 21ST INTERNATIONAL CONGRESS OF ENTOMOLOGY, Iguassu Falls, BRAZIL. Contact: D.L. Gazzoni. E-mail: francovi@sercomtel.com.br Web site: www.embrapa.br/ice

IPMnet Calendar II. PREVIOUSLY LISTED entries 1997 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 14-16 April RESISTANCE ྜྷ, INTEGRATED APPROACH TO COMBATTING RESISTANCE, sponsored by IACR, Rothamsted, U.K. Third in a series of international conferences to review progress in addressing pesticide resistance. Contact: B.P.S. Khambay, IACR-Rothamsted, Harpenden, Hertfordshire AL5 2JQ, U.K. E-mail: BHUPINDER.KHAMBAY@bbsrc.ac.uk Fax: 44-1582-760981

16-18 April MICROBIAL INSECTICIDES: NOVELTY OR NECESSITY, (symposium), Warwick, U.K. Contact: G. Beaumont, BCPE, Linden House, Old Stowmarket Road, Woolpit, Bury St. Edmonds IP30 9QS, U.K. Fax: 44-0-1359-241434

21 April-16 May 4TH INTERNATIONAL TRAINING COURSE ON BIOLOGICAL CONTROL OF ARTHROPOD PESTS & WEEDS, Ascot, U.K. Contact: S. Williamson, International Institute of Biological Control, Silwood Park, Ascot, Berks SL5 7TA, U.K. E-mail: S.WILLIAMSON@cabi.org Fax: 44-1344-875007 Phone: 44-1344-872999

28-30 April AGRICULTURAL BIOTECHNOLOGY FOR A BETTER WORLD, ABSP 1997 Global Conference, Pacific Grove, CA, USA. Includes a poster session. Contact: Conference Secretariat, ABSP Project Conference Office, 414 Plant & Soil Sciences Building, Michigan State Univ., East Lansing, MI 48824-1325, USA E-mail: global97@pilot.msu.edu Fax: 1-517-432-1982 Phone: 1-517-353-5263

6 May 49TH 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

19 May-13 June 1997 COURSE ON TROPICAL PEST MANAGEMENT AND APPLICATION TECHNOLOGY, Ascot, U.K. Practical instruction on safe, effective application of pesticides as part of an integrated pest management program. Contact: International Pesticide Application Research Centre, Biology Dept., Imperial Coll. of Sci., Tech. and Medicine, Silwood Park, Ascot, Berks SL5 7PY, U.K. E-mail: g.matthews@ic .ac.uk Fax: 44-0-1344-294450 Phone: 44-0-1344-294234

28 May BIOCONTROL WORKSHOP FOR TROPICAL ORNAMENTAL COLLECTIONS, Brooklyn Botanical Garden, Brooklyn, NY, USA. A practical experience in applying biocontrol and evaluating its effectiveness. Contact: C. Glennister, IPM Laboratories, Inc., PO Box 99, Locke, NY 13092-0099, USA E-mail: ipmlabs@baldcom.net

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.

2-7 June GLOBAL CONFERENCE ON SORGHUM ERGOT, Sete Lagoas, MG, BRAZIL. Overviews, regional presentations, and management strategies. FMI: R.E. Schaffert, EMBRAPA/CNPMS, Rod MG 424, km 65, C.P. 151, 35701-970 Sete Lagoas, MG, BRAZIL E-mail: schaffer@cnpms.embrapa.br Fax: 55-31-773-9252 Phone: 55-31-773-5644

22-26 June 10TH EUROPEAN WEED RESEARCH SOCIETY SYMPOSIUM, Poznan, POLAND. Includes worskshops, posters, and field excursions. Contact: EWRS Symposium ྜྷ, c/o BBA Inst. f. Unkrautforschung, Messeweg 11-12, D-38104 Braunschweig, GERMANY Fax: 49-531-299-3010 Phone: 49-531-299-3903

23-27 June 17TH INTERNATIONAL SYMPOSIUM ON VIRUS AND VIRUS-LIKE DISEASES OF TEMPERATE CROPS, Bethesda, MD, USA. Contact: A. Hadidi, ARS-USDA Germplasm Resources Lab., Beltsville, MD, 20705, USA Fax: 1-301-504-5551 E-mail: ngrlah@ars-grin.gov

6-11 July 21ST BRAZILIAN CONGRESS OF WEED SCIENCE, Hotel Gloria, Caxambu, MG, BRAZIL. Contact: J.B. da Silva, EMBRAPA/CNPMS, C.P. 151, 35701-970 Sete Lagoas, MG, BRAZIL E-mail: baptista@cnpms.embrapa.br Fax: 55-031-774-0240 Phone: 55-031-773-2863

19-23 July SOCIETY OF NEMATOLOGISTS ANNUAL MEETING, Sheraton El Conquistador Resort, Tucson, AZ, USA. Contact: M.A. McClure, Dept. of Plant Pathology, 204 Forbes Bldg., Univ. of Arizona, Tucson, AZ 85721, USA E-mail: McClure@ag.arizona.edu Fax: 1-520-621-9290 Phone: 1-520-621-7161

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

18-21 August NEW ZEALAND PLANT PROTECTION CONFERENCE, Lincoln Univ., NEW ZEALAND. Contact: D. Crabb, Centre for Continuing Education, Lincoln Univ., Canterbury, NEW ZEALAND E-mail: crabbd@lincoln.ac.nz Fax: 64-3-325-3840

1-4 September 2ND TURKISH WEED SCIENCE CONGRESS, Izmir, TURKEY. Contact: Y. Nemli, E.U. Ziraat Faultesi, Bitki Koruma Bolumu, Bornova/Izmir 35100, TURKEY.

1-5 September EUROPEAN SEMINAR ON FUSARIUM: MYCOTOXINS, TAXONOMY AND PATHOGENICITY, Szeged, HUNGARY. Contact: A. Mesterhazy, Cereal Research Institute, PO Box 391, H-6701 Szeged, HUNGARY E-mail: H10152mes@ella.hu Fax: 36-62-434-163 Phone: 36-62-435-235

3-7 September WEED SCIENCE FOR EASTERN AFRICA CONFERENCE, Kampala, UGANDA. Contact: D.S.O. Osiru, Crop Sci. Dept., Makere Univ., PO Box 7062, Kampala, UGANDA Fax: 256-041-531641

8-12 September 16TH ASIAN-PACIFIC WEED SCIENCE SOCIETY CONFERENCE, Kuala Lumpur, MALAYSIA. Contact: B.H. Bakar, Botany Dept., Univ. of Malaya, 59100, Kuala Lumpur, MALAYSIA E-mail: BAKI@botany.um.edu.my Fax: 60-3-759-4178 Phone: 60-3-759-4351

10-12 September ENTOMOLOGY ྜྷ, Univ. of Newcastle, UK. Contact: Registrar, Royal Entomological Society, 41 Queen's Gate, London SW5 5HR, U.K. Fax: 44-0171-581-8505 E-mail: reg@royensoc.demon.co.uk

15-17 September UNDERSTANDING PATHOSYSTEMS: A FOCUS ON SEPTORIA (15th Long Ashton International Symposium), Bristol, U.K. Contact: H.M. Anderson, IACR-Long Ashton, Bristol BS18 9AF, U.K. E-mail: Christine.Cooke@bbsrc.ac.uk Fax: 44-0-1275-394007

25-27 September SYMPOSIUM ON CROP PROTECTION & FOOD QUALITY, MEETING CONSUMER NEEDS, Univ. of Kent, Canterbury, U.K. Contact: CASI, 4 New Cavendish Square, London W1M 0BX, U.K. Fax: 44-0-171-629-3233 Phone: 44-0-171-499-0900

29 September-3 October 11TH BIENNIAL CONFERENCE OF THE AUSTRALASIAN PLANT PATHOLOGY SOCIETY, Perth, AUSTRALIA. Contact: Secretary APPS, Plant Pathology, Dept. of Agriculture, Baron-Hay Court, South Perth, WA 6151, AUSTRALIA E-mail: APPS97@agric.wa.gov.au Fax: 61-9-367-2625

7-11 October 7TH INTERNATIONAL VERTICILLIUM SYMPOSIUM, Cape Sounion, 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

10-15 October MICROBIAL CONTROL OF PESTS IN SUSTAINABLE AGRICULTURE, Royal Veterinary and Agricultural Univ., Copenhagen, DENMARK. Contact: J. Eilenberg, Dept. of Ecology and Molecular Biology, Royal Veterinary and Agricultural Univ., Thorvaldsensvej 40, DK-1871 Frederiksberg, DENMARK E-mail: Per.Damgaard@ecol.kvl.dk Fax: 45-35-282670 Phone: 45-35-282660

17-20 November BRIGHTON CROP PROTECTION CONFERENCE 1998, WEEDS, Brighton, UK. Contact: CASI Ltd., 4 New Cavendish Square, London W1M 0BX, U.K. Fax: 44-0-171-629-3233 Phone: 44-0-171-499-0900

24-26 November CONGRESO NACIONAL 1997 SOCIEDAD ESPANOLA DE MALHERBOLOGIA, Valencia, SPAIN. Contact: D. Gomez de Barreda, IVIA, Apdo. Oficial, E-46113 Moncada, SPAIN E-mail: diego.gomez.barreda@ivia.es Fax: 34-6-139-0240

13-18 December ENTOMOLOGICAL SOCIETY OF AMERICA ANNUAL MEETING, Opryland, Nashville, TN, USA. Contact: ESA, 9301 Annapolis Rd., Suite 300, Lanham, MD 20706, USA Fax: 1-301-731-4538 Phone: 1-301-731-4535 E-mail: PUBINFO@entsoc.org

1998 9-12 February WEED SCIENCE SOCIETY OF AMERICA ANNUAL MEETING, Chicago, IL, USA. Contact: WSSA, 1508 W. University Ave., Champaign, IL 61821-3133, USA Phone: 1-217-352-4212 23 February-1 March INTERNATIONAL CONFERENCE ON PESTICIDE USE IN DEVELOPING COUNTRIES: IMPACT ON HEALTH AND ENVIRONMENT, San Jose, COSTA RICA. Contact: Y. Astorga, Univ. Nacional, Apdo. 86-3000, Heredia, COSTA RICA Phone: 506-277-358 Fax: 506-277-3583 E-mail: PPUNA@irazu.una.ac.cr Web: www.una.ac.cr

2-7 August 9TH IUPAC INTERNATIONAL CONGRESS: PESTICIDE CHEMISTRY, London, UK. Contact: J.F. Gibson, Royal Soc. of Chemistry, Burlington House, London W1V 0BN, U.K. Fax: 44-171-734-1227 Phone: 44-171-437-8656

9-16 August 7TH INTERNATIONAL CONGRESS OF PLANT PATHOLOGY, Edinburgh, UK. Contact: ICPP98 Congress Secretariat, c/o Meeting Makers, 50 George Street, Glasgow, Scotland G1 1QE, U.K. E-mail: icpp98@meetingmakers.co.uk Fax: 44-141-552-0511 Phone: 44-141-553-1930

17-21 August 5TH INTERNATIONAL SYMPOSIUM ON ADJUVANTS, Memphis, TN, USA. Contact: A. Underwood, FISAA, c/o Helena Chem. Co., 6075 Poplar Ave., Suite 500, Memphis, TN 38119, USA Fax. 1-901-761-2640 Phone: 1-901-537-7260

23-28 August 6TH INTERNATIONAL MYCOLOGICAL CONGRESS, Jerusalem, ISRAEL. Contact: Secretariat, PO Box 50006, Tel Aviv 61500, ISRAEL E-mail: mycol@kenes.ccmail.compuserve.com Fax: 972-3-5175674 Phone: 972-3-5140014

24-28 August 3RD INTERNATIONAL FOREST VEGETATION MANAGEMENT CONFERENCE. Contact: IFVNC #3, Ontario Forest Research Institute, Ontario Ministry of Natural Resources, 1235 Queen Street E., Sault Ste Marie, ONT P6A 5N5, CANADA E-mail: ifvmc3@epo.gov.on.ca Fax 1-705-946-2030 Phone: 1-705-946-2981

9-12 November BRIGHTON CROP PROTECTION CONFERENCE 1998, PESTS & DISEASES, Brighton, UK. Contact: CASI Ltd., 4 New Cavendish Square, London W1M 0BX, U.K. Fax: 44-0-171-629-3233 Phone: 44-0-171-499-0900

6-10 December AMERICAN PHYTOPATHOLOGICAL SOC. and ENTOMOLOGICAL SOC. OF AMERICA JOINT MEETING, Las Vegas, NV, USA. Contact: J.M. Schimml, APS, 3340 Pilot Knob Rd., St. Paul, MN 55121-2097, USA Fax: 1-612-454-0766 Phone: 1-612-454-7250 E-mail: zzz6882@vz.cis.umn.edu

In 1999 6-12 August JOINT MEETING OF THE AMERICAN AND CANADIAN PHYTOPATHOLOGICAL SOCIETIES, Montreal, CANADA. Contact: APS, 3340 Pilot Knob Road, St. Paul, MN 55121-2097, USA E-mail: aps@scisoc.org Fax: 1-612-454-0766 Phone: 1-612-454-7250

Please send information about future events to:

IPMnetNUZ@bcc.orst.edu or, IPMnet NEWS, c/o Integrated Plant Protection Center 2040 Cordley Hall, Oregon State University Corvallis, OR 97331-2915, USA Fax: 01-541-737-3080

IPMnet's 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, J.D. Harper (N. Carolina State Univ.) is Vice chairman, G.L. Teetes (Texas A&M Univ.) is Treasurer, and G.A. Schaefers (Cornell Univ.) serves as Executive Director. B.D. Russell is Assistant to the Director. E-mail: BDR2@nysaes.cornell.edu

The Consortium maintains an administrative office at:

CICP, Cornell Univ., NYSAES, Geneva, NY 14456-0462, USA. E-mail: CICP@cornell.edu Phone: 01-315-787-2252.

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The IPMnet NEWS .....is sponsored, produced, and provided by CICP. Mention of specific products, processes, institutions, organizations, or individuals in the IPMnet NEWS does not imply support nor criticism by CICP, nor any individual associated with CICP, nor any of its member institutions. Information in IPMnet NEWS may be reprinted or quoted provided the IPMnet NEWS is fully identified as the source.

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Contributions to the IPMnet NEWS ..... short news items describing experiences, successes, problems, and solutions, also viewpoints (pro and con), and IPM-related opinion statements are welcome from individuals, organizations, and institutions engaged in any aspect of crop protection, especially IPM.

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