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September 1995, Issue no. 21
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. Slates National IPM Meeting The U.S. will hold its 3rd National IPM Symposium/Workshop early in 1996 to provide an opportunity for interdisciplinary scientists to exchange current advances in IPM research, education, implementation, and program assessment. The event, scheduled for 27 February-1 March 1996, at the Sheraton-Washington Hotel, Washington, DC, will convene under a theme of "Reaching the National IPM Goal," according to B.J. Jacobsen, U.S. Department of Agriculture (USDA) IPM Coordinator and symposium coordinator.

There will be a major focus on the economic, environmental, and public health impacts of IPM programs. The two days will be divided into four half-day sessions with concurrent topics addressed during each session. The format, Dr. Jacobsen noted, is flexible but probably will include poster viewing followed by a workshop to include a discussion of the posters, a few brief invited presentations, and general discussion. The symposium/ workshops will conclude with a consensus on future needs and directions within and across topics.

The symposium will lead off with presentations concerning the USDA's IPM Initiative, and the program of developing IPM Implementation Teams. Attention will be give to development and formation of public/private sector partnerships. Workshops during the second day will consider: IPM Assessment; Application Technology in IPM; Innovative Approaches to IPM Delivery; Pesticide Resistance Management and IPM; Cotton, Peanut and Tobacco IPM; and Livestock IPM. There will be an IPM Congressional Reception in the evening sponsored by the National Coalition for IPM.

A concluding plenary session will focus on reports and recommendations from workshops, and finally, Perspectives on the Future of IPM. The event, a major activity for national IPM, will bring together a wide array of individuals and institutional representatives engaged in the development and implementation of IPM nationwide. All State IPM Coordinators are anticipated to attend and convene a special meeting. Event sponsors include various committees and subcommittees working through the national extension service and USDA.

For additional registration and lodging information, contact: B.J. Jacobsen, USDA IPM Coordinator, Ag Box 2220, Washington, DC 20250-2220, USA. E-mail: . Phone: 01-202-401-6627. Fax: 01-202-401-4888.

South Africa: Weed Biocontrol Reviewed In "Eighty Years of Biological Weed Control in South Africa: How Far Have We Come?," two weed scientists report that, since 1913, 71 species of biological control agents have been introduced onto 36 weed species in South Africa. Most of these agents (66 species) have been herbivorous insects. Additionally, three fungus species, a mite species, and a fish species also were introduced. J.H. Hoffmann and V.C. Moran, in a presentation that was awarded "Best Paper" at the South African Weed Science Society's 1995 Congress, noted that seven weed species can be controlled by biological methods alone. The seven are:

Harrista martinii Hypericum perforatum Opuntia leptocaulis Opuntia vulgaris Pistia stratiotes Salvinia molesta, and Sesbania punicea. The authors state that the invasiveness and vigor of several other species have declined considerably and that, among these, "the weeds are more easily managed as a result of implementation of biological control." The major disappointment, note Drs. Hoffman and Moran, has been the release of 16 biocontrol agent species against Lantana camara with only a negligible effect on the weed.

excerpted from: SAWSS NEWSLETTER, 50,

Florida's Growers Adopt IPM An extensive survey completed in late 1994 revealed, among other things, that over 80 percent of the potato, sweet corn, and tomato growers in the U.S. state of Florida have adopted IPM programs that include scouting and use of a combination of biological, cultural, and chemical control techniques. According to the newsletter IPM FLORIDA, published by the Institute of Food and Agric. Sciences at the Univ. of Florida, all the potato acreage (nearly 25,000 A) was scouted, with tomato following at 86 percent and sweet corn at 83 percent respectively. Most producers of the three crops base pest management decisions on scouting reports.

Tomato growers, for example, relied most heavily on scouting for insect and disease control decisions (81 percent) and much less so for weed management (40 percent) and nematode control (25 percent). In contrast, sweet corn growers used scouting extensively for weed management (83 percent).

The same study showed that IPM is not as advanced in the state's ornamental nursery industry, though most growers check for disease incidence daily and 92 percent apply pesticides only on an "as needed" basis.

excerpted from: IPM Florida, 1(2), Fall 1995.

Arthropod Information Network in Africa The International Centre of Insect Physiology and Ecology (ICIPE) has prepared a research/development proposal entitled "Arthropod Information Network in Africa" (AINA) that will integrate and expand existing arthropod databases and make the information available to African countries and interested collaborators beyond. Plans call for AINA to include:

A profile database of arthropods in Africa; Management information systems for important arthropods in Africa; Early warning systems for destructive arthropods in Africa; Arthropod indicators database of environmental changes in Africa; and an Arthropod biodiversity management system for Africa. ICIPE currently conducts PESTNET (the Pest Management Research and Development Network) covering 18 African countries. The Center also developed management information systems such as TMIS (Tsetse Management Information System). Data in these and other programs would be coordinated and expanded through AINA. For additional information, contact: Y. Xia, ICIPE, Nairobi, Africa. E-mail: ICIPE@cgnet.com.

Cutting Costs, Reducing Pesticides Integrating mechanical and chemical weed control practices can save money, reduce pesticide use, and still provide effective weed management, according to reports of farm yields and expenses from the southeastern U.S. soybean belt. Most striking was the fact that costs for just the actual herbicide used in preventative, full field broadcast applications to row-cropped soybeans were nearly double the combined expense of a.) herbicide applied only in narrow bands over the crop row and b.) cultivation between rows.

Two other areas for cost-and-pesticide reduction: waiting to apply insecticides until scouting reveals the presence and economic threshold that warrant application; and, substituting cultural controls (crop rotation, varieties) for use of nematicides.

compiled from various sources.

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IPM MEDLEY --- publications and other IPM information resources

V. IPM MEDLEY general information, publications of interest, and other information and resources related to IPM. Course Targets Pesticide Effects On Beneficials An international training course-workshop, "Evaluation of Pesticide Effects on Natural Enemies & Implications for Pesticide Registration," held last March in Malaysia, attracted 16 participants from 11 Asian nations and resulted in a list of recommendations. The event was aimed at pesticide registration officials and IPM researchers in Asia, and was designed to train participants how to carry out laboratory and field tests on the effects of pesticides on natural enemies, based on protocols developed by the International Organization for Biological Control (IOBC) Working Group on Pesticides and Beneficials. The training course included a workshop to discuss ways to adapt the test protocols to Asian situations, as well as avenues for bringing natural enemy tests into national registration procedures.

In addition to IOBC, sponsors included CAB International's International Institute of Biological Control (IIBC) and the Institut fur Biologischen Pflanzenschutz, Germany, in collaboration with Malaysia's Dept. of Agriculture and the Malaysian Agricultural Research & Development Institute.

As part of the training follow-up, it was agreed to form an informal network, the Asian Network on Natural Enemies and Pesticides (ANNEP), to be coordinated initially by IIBC-UK. The training-workshop "proceedings" will be published as a training manual during 1995, and organizers plan to repeat the course in 1996.

For a copy of the recommendations list, and information about the training course and the ANNEP network, contact: S. Williamson, Training/Information Officer, IIBC, Silwood Park, Ascot, Berks. SL5 7TA, UK. Fax 44-1344-875007.

E-mail: s.williamson@CABI.org.

Noxious Weed Seed List Expanded The U.S. Department of Agriculture (USDA), to strengthen protection against the spread of "noxious" weeds that can threaten natural ecosystems, choke off waterways, and reduce livestock forage, has proposed expanding the current list of noxious weed seeds in the country's Federal Seed Act to include all plants already listed in its Federal Noxious Weed regulations. The new regulations will allow the USDA to regulate foreign commerce to prevent weeds on the list from getting into the country. But there is a technical problem with the way the rules work now. Currently, the USDA cannot prohibit entry of imported agricultural seed shipments even if they are found to contain seeds of noxious weeds.

"The change," said B.G. Lee, deputy administrator of plant protection and quarantine in USDA's Animal and Plant Health Inspection Service, "will allow USDA to prohibit the entry of any agricultural shipments containing federal noxious weeds."

In a related development, USDA is proposing to add tropical soda apple (Solanum viarum) and duck lettuce (Ottelia alismoides) to its list of noxious weeds. Tropical soda apple is a terrestrial weed that reduces usable livestock forage, and duck lettuce, an aquatic weed, can threaten natural ecosystems.

U.S. Broadens Approval for Biopesticide Use The U.S. Environmental Protection Agency (EPA) has established an exemption from the requirement of a tolerance for residues of the biological pesticide Burkholderia (Pseudomonas) cepacia type Wisconsin in, or on, all raw agricultural commodities, resulting from use on plant roots or seedling roots. The rule, effective 19 July 1995, amends the existing tolerance exemption for this organism, which is limited to seed treatment use. The biopesticide, when applied to roots or seedling roots, will colonize the developing root system, produce antibiotics, and thus protect the seedling or plant from a range of plant pathogenic fungi and nematodes. EPA determined that this usage presents no new hazards.

from an EPA electronic information bulletin.

Ag's Environmental Pluses Here's a switch: a conference planned for November 1995 will focus on ways that agriculture can help the environment, rather than simply reducing the damage it imposes on the environment. The event, "Environmental Enhancement Through Agriculture," aims, "to foster a new kind of strategic thinking about agriculture based on `win-win' approaches that serve both agricultural and environmental interests," according to an electronic information bulletin from the conference sponsors.

To be featured are 60 presentationsranging from general concepts to specific research and field projectsand 15 displays, that offer examples of environmental benefits from agriculture including:

Agricultural refuges for wildlife; Watershed protection and water quality enhancement; Renewable alternative sources of energy; Environmentally advantageous recycling of off-farm wastes; Attractive sites for low-impact tourism; and, Aesthetically appealing landscapes. For further information, contact: Henry A. Wallace Institute; Phone: O1-301-441-8777; Fax: 01-301-220-0164; E-mail: hawiaa@access.digex.net.


The IPMnet NEWS will gladly mention a publication provided it has a connection to IPM. To assure coverage, please send a review copy of the publication, with background information where to obtain copies, data about the author(s), costs, and any other particulars or materialsto:

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 Center's extensive international IPM and crop protection literature collection (which the worldwide IPM/crop protection community is welcome to use) or returned if so requested.

Fruit Tree Disorders The pocket-sized FIELD GUIDE TO DISORDERS OF FRUIT TREES offers color photos and brief descriptions of common disorders of fruit trees caused by insect and mite pests, disease pathogens, pesticides, weather, and nutrient deficiencies. It is designed to aid identification of disorders affecting wood, leaves, blossoms, and fruit of fruit trees grown in British Columbia, Canada, and the U.S. Pacific northwest. For more information, contact: Okanagan Valley Tree Fruit Authority, Research Station, Summerland, BC, V0H 1Z0, CANADA. Phone: 01-604-494-5021. Fax: 01-604-494-5024. Plants, Pests, and IPM The 1993 volume, NATURAL ENEMIES OF VEGETABLE INSECT PESTS, by M.P. Hoffmann and A.C. Frodsham, a 63-page handbook with extensive clear, full color photos, received an award for "Outstanding New Extension Publication," and is now available with a 40% price discount to international and Cooperative Extension orders, as well as quantity order discounts. An accompanying slide set (91 slides) can be ordered with the publication, or separately. For more information: send an e-mail inquiry to , or contact via: Fax: 01-607-255-9946 -or- Phone: 01-607-255-2080.

RESOURCES BIOCONTROL PROGRAM REPORT The Biological Control Program of the U.S. State of California's Department of Food and Agriculture (CDFA) has just released its 1994 Annual Report. The document reports on CDFA's classical biological control projects against insects and weeds in California. A limited number of hard copies are available on a first come first serve basis. Additional electronic copies are available via e-mail in Microsoft Word for Windows v.6.0, or Word Perfect (either DOS or Windows) v.6.1. E-mail requests should be directed to: . Or, contact: S. Schoenig, Biological Control Program, CDFA, 3288 Meadowview Rd., Sacramento, CA 95832, USA.

INFOANDINA ELECTRONIC BULLETIN INFOANDINA is the information network for CONDESAN (Consortia for Sustainable Development of the Andean Region) and is sponsored by the International Potato Center (CIP). A part of INFOANDINA is a monthly electronic bulletin, in both Spanish and English, that reports on IPM developments and includes information on "new publications, listservers, databases, gophers, and event announcements related to biodiversity and natural resources management in the Andean Region." To subscribe, or receive further information, send an e-mail to: , to the attention of E. Mujica, INFOANDINA Coordinator.

BIOCONTROL UNIT ADDS WWW The U.S. Dept. of Agric./Agric. Research Service's Biological Control of Pests Research Unit in Weslaco, TX, USA, now has a WWW homepage online. The URL is: rsru2.tamu.edu The pages are best viewed using Netscape 1.1N. As with most web sites, this one is currently in early development stages, but expected to expand its information offerings. For more information, contact: B.C Legaspi, e-mail blegaspi@mail.tamu.edu.

MATERIALS & EQUIPMENT NEW WALK-BEHIND FLAME WEEDER A U.S. firm has developed a walk-behind flame weeder used for burning off weed plants in small plots. The unit incorporates a galvanized metal hood over four propane-fired jets mounted behind a single wheel. The flame covers a 24-inch (61 cm) wide swath. An operator carries a backpack propane tank and pushes the single handle attached to a main spine. A rubber hose conveys propane from tank to flame jets. For more information, contact: Eden Valley Institute, 6263 NCR 29, Loveland, CO 80538, USA. Phone: 01-303-667-6911. POSITIONS IIBC RECRUITING FOR 2 POSITIONS IIBC (the International Institute of Biological Control), an intergovernmental organization that provides scientific services and information for agricultural and environmental protection throughout the world, announced openings for: DEPUTY DIRECTOR, PROGRAMME DEVELOPMENT (based in UK); and, SCIENTIST IN CHARGE (Kenya Station)

For the DD position, the Institute seeks "a talented scientist with a strong international reputation, and entrepreneurial flair and a sympathy for the problems faced by developing countries." The position will be involved in developing programs in areas such as classical biological control for insects, weeds and diseases affecting agriculture and conservation, biopesticides for developing countries, and development and implementation of IPM.

Candidates for the Kenya position need a commitment to science and development and a record of achievement in both. Responsibilities include management of the research station and its scientific programs such as IPM for small-scale coffee farmers in East Africa, classical biocontrol of invasive weeds and forest insect pests in Africa, and biopesticide development.

For more information, contact: J. Waage, Director, IIBC, Silwood Park, Buckhurst Road, Ascot, Berkshire SL5 7TA, UK. Phone: 44-1-344-872999. Fax: 44-1-344-87500. E-mail: j.waage@CABI.org.

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IPM RESEARCH/TECHNICAL PAPERS --- categories and topics related to IPM

II. FORUM / EDITORIAL viewpoints, opinions, and open discussion of IPM issues. "Integrated Pest Management Pays. By considering alternative methods of pest control and using chemicals only when necessary, IPM reduces input costs of pest control and therefore increases profit opportunities." "[IPM] also helps reduce risk of crop losses or complete failure. Whether or not IPM is a do-it-yourself project depends on the amount of time you have available and your interest and desire to learn more about weeds, insects, diseases, markets, weather conditions, soils, chemicals, etc."

Pennsylvania Dept. of Agriculture information sheet for producers. QUOTES "While many African nations include Integrated Pest Management in their agricultural policy, cheap, effective, easily managed alternatives have yet to be introduced on a scale large enough to complete with chemical pesticides."

from: "Pesticides and the Agrichemical Industry in Sub-Saharan Africa," Winrock International Environmental Alliance, 1994. "Because leafy spurge infests at least 5 million acres in the United States, and costs the U.S. economy over 0 million dollars every year, it is one of the foremost problem weeds, and thus a priority for biological control."

from: PURGE SPURGE: LEAFY SPURGE DATABASE, ver 2.5, April 1995, U.S. Department of Agriculture. "The concept of IPM cannot be translated into prescriptions."

M. Kogan, Oregon State Univ.

III. RESEARCH ROUNDUP research and findings related to IPM. Plant Responses to Pathogens Plants as well as animals are continually exposed to the ravages of pathogens. Plants, however, lack a circulatory system and antibodies, and thus have evolved their own distinct systems of defense. Since early in this century, plant breeders have used disease resistance genes (R genes) to control plant diseases. Univ. of California plant biologist B.J. Staskawicz and co-authors point out in a recent SCIENCE article that "molecular cloning of R genes that enable plants to resist a diverse range of pathogens has revealed that the proteins encoded by these genes have several features in common."

In "Molecular Genetics of Plant Disease Resistance," Dr. Staskawicz and colleagues note that earlier findings "suggest that plants may have evolved common signal transduction mechanisms for the expression resistance to a wide range of unrelated pathogens." If the molecular signals that help a plant to recognize a pathogen and the processes that trigger resistance mechanisms could be identified, the result could "lead to novel strategies for plant disease control," these scientists feel.

excerpted from: SCIENCE, 268(5211), 661-666, 5 May 1995.

Breeding to Combat Plant Virus Scientists are using bioengineering to bolster tomato plants against the cucumber mosaic virus (CMV), one of the most serious crop pests in Italy, Japan, China, and Egypt, and responsible for recent outbreaks in the U.S. CMV not only attacks tomato, but about 800 plant species including spinach, pepper, cucumber, celery, melon, and squash. Management of the virus has involved spraying insecticide in an effort to kill the aphids that transmit CMV. However, once a plant is infected, there is no cure.

Last year, the first of a three-year field test cycle being conducted in the U.S, bioengineered tomato plants produced 50 percent more tomatoes than regular plants when both were exposed to the virus in outdoor plots.

excerpted from: U.S. Dept. of Agriculture information.

This Month's Noted Research Papers "A Two Parameter Model for Prediction of Crop Loss by Weed Com petition from Early Observations of Relative Leaf Area of the Weeds," Kropff, M.J., et al. ANN. OF APPL. BIOL., 126(2), 329-346, April 1995. "Assessment of Agricultural Pest Status and Available Control Methods in the Guinea Natural Resources Management Project: Approaches to Integrated Pest Management," Faye, D.D., and W. Knausenberger. ARDA, 18(4), 28, 1994. 47 pgs, English and French editions available.

"Biological Control of Insect Pests Using Ice-Nucleating Microorganisms," Lee, R.E., et al, pg 257-270, IN: BIOLOGICAL ICE NUCLEATION AND ITS APPLICATIONS, Lee, R.E., et al, Amer. Phytopath. Soc., 370 pgs., 1995.

"Classical and Molecular Approaches to Breeding Fruit and Nut Crops for Disease Resistance," Mehlenbacher, S.A. HORTSCI., 30(3), 466-477, June 1995.

"Communication Disruption for Control of the Beet Armyworm, Spodoptera exigua (Hubner), with Synthethic Sex Pheromone," Wakamura, S., and M. Takai. JARQ, 29(2), 125-130, April 1995.

"Disruption of Male Spruce Budworm Orientation to Female Moths by Pheromone and Pheromone Analogues in a Wind Tunnel," Sanders, C.J. PHYISIO. ENTO., 20(1), 71-80, March 1995.

"Integrating Mechanical Weeding with Reduced Herbicide Use In Conservation Tillage Corn Production Systems," Buhler, D.D., et al. AGRON. JRNL., 87(3), 507-511, May-June 1995.

"Management of Lesion Nematode (Prtylenchus jordanensis) on Replanted Apple Trees," Stirling, G.R., et al. AUSTRALIAN JRNL. OF EXP. AGRIC., 35(2), 247-258, 1995.

"Managing the Evolution of Insect Resistance to Transgenic Plants," Alstad, D.N., and D.A. Andow. SCIENCE, 268(5219), 1894-1896, 30 June 1995.

"Natural Enemy Impact on the Abundance of Diuraphis noxia (Homoptera: Aphididae) in Wheat in Southern France," Hopper, K.R., et al. ENVIRON. ENT., 24(2), 402-408, April 1995.

"Optimal Pest Management and Economic Threshold," Bor, Y.J. AGRIC. SYSTEMS, 49(2), 113-134, 1995.

"Pest Management Decision Support Systems: A New Challenge for Forest Entomologists," Marshall, L.D., and D.G. McCullough. FOR. CHRON., 71(3), 288-290, May-June 1995

"Potential for Biological Control of Downy Brome (Bromus tectorum) and Medusahead (Taeniatherum caput-medusae) with Crown and Root Rot Fungi," Grey, W.E., et al. WEED TECH., 9(2), 362-365, April-June 1995.

"Potential Geographical Distribution of Alligator Weed and Its Biological Control by Agasicles hygrophilia," Julien, M.H., et al. J. OF AQUATIC PLANT MAN., 33, 55-60, July 1995.

"Striga Research and Control - A Perspective from Africa," Berner, D.K., et al. PLANT DIS., 79(7), 652-660, July 1995.

"The Fallow Period as a Weed Break in Shifting Cultivation (Tropical Wet Forests)," Derouw, A. AGRIC., ECOSYST., & ENVIR., 54(1-2), 31-44, June 1995.

"Weed Control in Sugar Beet by Precision Guided Implements," vanZuydam, R.P., et al. CROP PROT., 14(4), 335- , June 1995.

"Wild Jujube (Ziziphus lotus) Control in Morocco," Regehr, D.L., and A. ElBrahli. WEED TECH., 9(2), 326-330, April-June 1995.

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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 future events: meetings, seminars, conferences, and training courses that relate to global IPM. NOTE: sponsors and organizers are cordially encouraged to 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: 01-503-373-3080 E-mail: deutscha@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.

1995 3-6 October 4TH INTERNATIONAL SYMPOSIUM ON ADJUVANTS FOR AGROCHEMICALS, Melbourne, AUSTRALIA. Contact: CAWSS, PO Box 1108, Frankston, VIC 3199, AUSTRALIA. Phone: 61-3787-3804. Fax: 61-3785-2007. 14-18 October Joint meeting, ENTOMOLOGICAL SOCIETY OF CANADA and the ENTOMOLOGICAL SOCIETY OF BRITISH COLUMBIA, Victoria Conference Centre, Victoria, BC, CANADA. Contact: T. Shore, Phone: 01-604-363-0666. Fax: 01-604-363-0775. E-mail: TShore@A1.PFC.Forestry.ca.

# 6-8 November 1995 INTERNATIONAL RESEARCH CONFERENCE ON METHYL BROMIDE ALTERNATIVES AND EMISSIONS REDUCTION, Red Lion Inn, San Diego, CA, USA. Contact: Methyl Bromide Alternatives Outreach (MBAO), PO Box 5377, Fresno, CA 93755, USA. Phone: 01-209-244-4710. Fax: 01-209-224-2610.

6-10 November XVIII CONGRESO NACIONAL DE CONTROL BIOLOGICO, and I CONGRESO AMERICANO DE CONTROL BIOLOGICO, VI CURSO DE CONTROL BIOLOGICO, ECOSUR, Tapachula, Chiapas, MEXICO. Contact: P.L. Fernandez, El Colegio de la Frontera Sur (ECOSUR), Apartado Postal No. 36, 30700 Tapachula, Chiapas, Mexico. Phone: 52-962-544-77. Fax: 52-962-608-15.

6-25 November 3RD COURSE ON MICROBIAL INSECT CONTROL, promoted by CENARGEN/EMBRAPA, Brasilia, BRAZIL. Course objective: to treat the importance of entomopathogens in biocontrol of pest insects and vectors of diseases. The course will be offered to Argentinean, Brazilian, Paraguayan, and Uruguayan professionals. Contact: mfraga@cenargen.embrapa.br or, cabral@cenargen.embrapa.br.

# 14-16 November CONGRESS OF THE SPANISH WEED SCIENCE SOCIETY, Huesca, SPAIN. Contact: Secretaria del Congreso, Escuela Univ. Politecnica, Ctra de Zaragoza, Km 67, 22071 Huesca, SPAIN. Phone: 0171-629-3233. Fax: 0171-499-0900.

20-23 November BRIGHTON CONFERENCE, WEEDS 1995, Brighton, U.K. The premier international event dealing with weed control in crop protection. Contact: CAS Ltd./BCPC, 4 Cavendish Square, London W1M 0BX, U.K. Phone: 44-0-1714-900-900. Fax: 44-0-1716-293-233.

21-29 November MODERN CROP PROTECTION: DEVELOPMENT AND PERSPECTIVES, Wageningen, THE NETHERLANDS. Contact: J.H. de Ru, International Training Center, Wageningen Agric. Univ., PO Box 8130, 6700 EW Wageningen, THE NETHERLANDS.

# 26-29 November V SIMPOSIO INTERNACIONAL DE SANIDAD VEGETAL EN LA AGRICULTURA TROPICAL, Univ. Central de Las Villas, Santa Clara, CUBA. Contact: J.G. Sousa, CIAP, UCLV, Carretera de Camajuani Km 5 1/2, Santa Clara 54830, Villa Clara, CUBA. Phone: 53-422-81520. Fax: 53-422-81608

5-8 December 3RD INTERNATIONAL WORKSHOP ON THE MANAGEMENT OF DIAMONDBACK MOTH AND OTHER CRUCIFER PESTS, AVRDC, TAIWAN/ ROC. Contact: N.S. Talekar, AVRDC, PO Box 42, Shanhua, Tainan 741, TAIWAN/ROC. Phone: 886-6-583-7801. Fax: 886-6-583-0009.

17-21 December ENTOMOLOGICAL SOCIETY OF AMERICA Annual Meeting, Las Vegas, NV, USA.

1996 {+} 21-26 January 9th INTERNATIONAL SYMPOSIUM ON BIOLOGICAL CONTROL OF WEEDS. The program includes a full session on integrated control. Contact: J.H. Hoffmann, Zoology Dept., Univ. of Cape Town, Rondebosch 7700, SOUTH AFRICA. Fax: 27-21-650-3726. E-mail: hoff@botany.vct.ac.za. 6-9 February WEED SCIENCE SOCIETY OF AMERICA, annual meeting, Marriot and Omni Hotels, Norfolk, VA, USA. Contact: WSSA, 1508 W. University Ave., Champaign, IL 61821, USA.

# 22 April-17 May 3RD INTERNATIONAL TRAINING COURSE ON BIOLOG- ICAL 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.

# 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.

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.

25-28 June 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.

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.

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.

# 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.

27-31 July AMERICAN PHYTOPATHOLOGICAL SOC. 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.

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.

# 9-11 September IOBC INTERNATIONAL CONFERENCE, "TECHNOLOGY TRANSFER IN BIOLOGICAL CONTROL: FROM RESEARCH TO PRACTICE," Montpellier, FRANCE. Sponsored by The Council of the global In- ternational Organization for Biological Control, the event will be devoted to various aspects of biological control of pest or- ganisms, emphasizing technology transfer, within the general frame of IPM, and cover all animals, plants, and microorganisms considered as noxious in terms of agriculture, horticulture, for- estry, nature, and water reserves, as well as human and animal health. Contact: J.P. Aeschlimann, CSIRO Biological Control Unit, Campus de Baillarguet, 34980 Montferrier-sur-Lez, FRANCE. E-mail: aeschlim@cypres.montpellier.inra.fr.

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.

no date SIXTH INTERNATIONAL PARASITIC WEED SYMPOSIUM, Cordoba, SPAIN. Contact: M.T. Moreno, Centro de Investigacion y Desarrollo Agrario, Apartado 4240, 14080 Cordoba, SPAIN. Fax: 34-57-202721.

Think Ahead to Next IPPC "Plant Protection Towards the Third Millennium: When Chemistry Meets Ecology," will be the theme for the next IPPC (International Plant Protection Congress), scheduled for 25-30 August 1999, in Jerusalem, Israel. An Organizing Committee has been formed. Intentions are to address all aspects of plant protection, but with major emphasis on integrated pest management.

For more information, contact: D. Rosen, Dept. of Entomology, Faculty of Agriculture, PO Box 12, Rehovot 76100, Israel. Fax: 972-8-466768 (after 12 Dec. 95: 972-8-9466768). E-mail: drosen@agri.huji.ac.il.

IPMnet Sponsors IPMnet, a Global IPM Information Service, was conceived by the Consortium for International Crop Protection (CICP) and developed and implemented with guidance and support from the National Biological Impact Assessment Program (NBIAP) of the U.S. Department of Agriculture. The Consortium, 13 U.S. educational/research institutions with strong interests in research, development, and productive application of rational crop protection and pest management, has been an international presence for over 15 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 acting executive director. The Consortium maintains a business office at:

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

IPMnet co-sponsor NBIAP was established to facilitate the applications of biotechnology in agriculture and the environment, and is funded by direct U.S. Congressional appropriation. The program operates a national communications system for biotechnology in the U.S. and is cooperating, through these resources, to assist CICP in globally extending IPM information. D.R. MacKenzie (USDA-CSRS) is NBIAP director.

The two IPMnet servers are administered by R.E. Stinner (North Carolina State Univ.) and D.M. King (Virginia Tech).

The IPMnet NEWS .....is co-sponsored by the CICP and NBIAP/U.S. Dept. of Agriculture. Mention of specific products, processes, institutions, organizations, or individuals in the IPMnet NEWS does not imply support nor criticism by CICP, NBIAP, nor any individual associated with either organization. Information in IPMnet NEWS may be re printed or quoted providing the IPMnet NEWS is identified as the source.

A.E. Deutsch, IPMnet NEWS Coordinator/Editor.

IPMnet NEWS Advisory Committe

J.D. Harper, chair - jharper@ent.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 - george_schaefers@cornell.edu

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

Communications to the IPMnet NEWS

..... may be sent to any of the following: E-mail: deutscha@bcc.orst.edu Fax: 01-503-737-3080 Postal: IPMnet NEWS

c/o Integrated Plant Protection Center 2040 Cordley Hall, Oregon State University Corvallis, OR 97331-2915, USA Phone: 01-503-737-6275

This mosaic version of IPMnet NEWS was marked up by J. E. Bacheler for the Cente r for IPM. The Center takes full responsibility for the appearance of this mosai c document.

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