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May/June 1995, Issue no. 18
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. French Group Offers IPM Services for Africa A French agricultural research organization offers a full range of IPM research, advisory, training, and extension services, aimed primarily at annual crops, such as tropical food crops, grown in developing nations. CIRAD (Centre de cooperation Internationale en Recherche Agronomique pour le Developpement) offers an IPM program based on "sustainable techniques to control pests" that focuses on "crop protection meeting farmers' needs." CIRAD lists its IPM aims as:

optimal efficiency - pest management involving careful modification of natural biological balances;

low cost - minimal pesticide input;

environment-friendly - limited use of harmful chemical pollutants. The Center is organized to investigate and assess problems, conduct investigative and analytical research on possible solutions, and work with national agricultural research scientists from developing countries (primarily Francophone Africa south of the Sahara) to test and implement IPM programs.

CIRAD produces a range of publications and other information materials in French, English, and Spanish that include: a series of 60 liberally illustrated fact sheets (French or English) on INSECT PESTS OF FOOD CROPS IN AFRICA AND THE INDIAN OCEAN REGION; related IPM wall posters; a series of French, Spanish, and English practical guides for COTTON PESTS AND DISEASES IN AFRICA SOUTH OF SAHARA, and a 5,000+ slide collection. A multimedia CD, entitled "COTON DOC" (French only) uses an interactive format to present IPM systems for pests and diseases of cotton produced in the same geographic region.

For free descriptive literature and more information, contact: CIRAD, BP 5035, 44032 Montpellier, Cedex 1, FRANCE. Phone: 33-67-615-918. Fax: 33-67-615-921.

Transgenic Plants Help Control Parasites A research team working in Israel recently reported that several crop plants have been genetically modified to withstand herbicide application that can then be successfully used to control two of the more pernicious parasitic weed species. Parasitic broomrape [Orobanche spp.] and witchweed [Striga spp.] attack a crop plant's roots, but appear and flower only after the damage is done. Thus, herbicides applied to these parasitic plants, once they appear, have very little impact in terms of reducing damage to the crop's roots.

In the test procedure, a single herbicide application to the transgenic crop (which otherwise would have been affected) resulted in 95 percent normal growth and flowering in the transgenic host while controlling parasitic weeds and thereby boosting yield, the researchers reported.

Working with the U.S. Agency for International Development and several herbicide producers, the research team found three plants with genetic target-site resistanceone of two popular genetic modificationsthat resisted the effects of herbicide and permitted an early application.

A quick review of costs indicated that the yield gain realized by controlling the parasitic weeds more than offset the added cost of both the transgenic seed and the small amount of herbicide needed. For more information, contact: D. Joel, Dept. of Weed Research, Regional Experiment Station, Newe-Ya'ar 31999, Israel.

Weather and IPM: A Close Link Researchers at a U.S. land-grant university are investigating how, and to what degree, weather influences pest and disease development and, more importantly, its consequent effect on IPM strategies. At Michigan State Univ., J. Andersen and R. Kriegel note that some weather factors exert only a brief, though critical, impact on control techniques utilized in IPM. Temperature, moisture, and combinations of weather events may trigger a response in some pest organisms. Since IPM is highly weather dependent, its effectiveness often requires monitoring of weather related variables. Andersen and Kriegel observe that one of the most common index used for IPM is based on daily air temperatures and known as growing degree day units, or GDDs.

The development stage of a chosen biological process is usually correlated with the accumulation of daily GDDs through the growing season. Temperature thresholds and relevant summed GDD values used in making pest management decisions are derived from research, though these are known for only a certain segment of pest organisms.

GDDs, the researchers point out, are a more accurate forecasting tool than using a calendar date to predict a biological event. They cite the instance of using IPM for control of Cydia pomonella, [codling moth] attacking an apple crop. By knowing the GDDs for various portions of this pest's life cycle, growers can better judge when to start counting moths captured in pheromone traps, and then calculate the effective time to apply pesticides according to recommendations based on insect hatch.

excerpted from: "Weather and Integrated Pest Management," Andersen, J., and R. Kriegel, THE IPM REPORT, 3(2), Fall 1994.

Biocontrol and Herbicides Using weed-targeted, herbivorous insects for weed management in production agriculture traditionally has encountered a problem: the desirable predator insects often don't fare well when herbicides are used to manage other weed species or supplement biocontrol. Herbicides can be toxic to the insects themselves, or can affect them indirectly by destroying the weeds that are their food source. Plant scientists C.G. Messersmith and S.W. Adkins, writing in WEED TECHNOLOGY, 9(1), 199-208, January-March 1995, examined the insect-herbicide relationship in their paper, "Integrating Weed-Feeding Insects and Herbicides for Weed Control." A literature review of interactions between herbicides and insects revealed that the result can be either favorable or unfavorable depending on the life cycle stage of weed and insect, effect on predatory insects, changes in food quality, mobility of the biocontrol insect, and impact of herbicides on weed growth.

Interactions between a biocontrol insect and an herbicide can be antagonistic, additive, complementary, or even synergistic. On the strength of historic information, the scientists suggest that herbicides usually can be used without adversely affecting insects if conditions are such that application can be carefully timed. To further strengthen the use of weed biocontrol, split-plot techniques to evaluate the insect-herbicide interaction at an early stage of insect establishment are proposed.

State Offers Incentives to Reduce Ag Chemicals A new program of financial incentives has been started in the State of California to encourage growers to develop and apply biologically based farming systems that help to reduce the use of agricultural chemicals. Funded by a US5,000 joint grant from the state's Department of Pesticide Regulation and the U.S. Environmental Protection Agency, the new Biologically Integrated Farming Systems (BIFS) pilot project, will support projects in up to five commodities throughout the state.

BIFS is a voluntary program in which commodity groups, individual growers, and others are encouraged to apply a grant that helps improve soil fertility and crop protection through use of cultural practices and biological pest control. The program is designed around a team approach to crop management involving growers, consultants, Univ. of California farm advisors and researchers, and independent pest control advisors. The Sustainable Agriculture Research and Education Program (SAREP) based at the University is coordinating the program.

BIFS is modeled after an on-farm program pioneered by the Community Alliance with Family Farmers Foundation in collaboration with the University. The model program received rebates from seed companies and beneficial insect insectaries.

For information, contact SAREP. Phone: 01-916-754-8549.

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IPM MEDLEY --- publications and other IPM information resources

II. IPM MEDLEY general information, publications of interest, and other information and resources related to IPM. IPMnet Positioned for Future Growth The 12-institution Consortium for International Crop Protection (CICP), IPMnet's primary sponsor, has agreed to continue its pioneering Internet-based IPM dissemination information effort, expand and improve information delivery, and press ahead with contributing to international integrated pest management implementation. Meeting early in May, the Consortium's Board of Directors took action to relocate IPMnet's main computer server to the Center for Integrated Pest Management at North Carolina State Univ. (NCSU), reduce administrative costs where possible, and channel all available resources into support and expansion of IPMnet. Development of IPMnet will now be the joint responsibility of CICP Headquarters together with NCSU and Oregon State Univ. (OSU).

The Board endorsed continuation of IPMnet NEWS, a periodic electronic "newsletter" produced at OSU, and directed that ways be sought to further improve its utility and increase its accessibility by a growing international readership. CICP Board members J.D. Harper, NCSU, (as chair), D. Dickson, Univ. of Florida, and Board alternate member A. Alvarez, Univ.of Hawaii, will serve as an IPMnet NEWS Advisory Committee along with CICP Board past president M. Kogan, OSU and CICP Executive Director G.A. Schaefers, Cornell Univ. as ex-officio members. The Committee will help guide future IPMnet NEWS initiatives and activities.

CICP will continue to maintain a close working relationship with the U.S. Department of Agriculture's National Biological Impact Assessment Program, which helped establish IPMnet and now provides TELNET and GOPHER access to IPMnet while WWW is being designed and put on line at NCSU. In other action, the Board elected R.E. Ford, Univ. of Illinois, as its new chairman, and approved maintaining the Consortium's administrative office on the Cornell Univ. campus at Geneva, NY, USA. (See last pages of IPMnet NEWS for contact addresses.)

Urban IPM Promoted A county extension director responsible for one of the main urban areas in the U.S. state of Florida, recommends that more attention, consideration, and support be given to IPM in urban settings. "We need a nationally accepted definition of IPM as it applies to the urban sector," M.J. Holsinger, Sarasota County, Florida, reported to an influential national extension committee.

In citing 10 "Considerations for Urban IPM Nationwide," Holsinger advocated that, "IPM should be mandatory in and around all Federal, state, and local government facilities," to, among other things, help set an example.

He also suggested that large national commercial firms, including chemical marketers, pest control services, and retail chains, be lobbied to "embrace least toxic pest management methods" in either the products they sold, or services they offered.

"Urban IPM," Holsinger maintained, "needs to be treated equitably with other commodities in terms of opportunities for funding and support." For more information, contact: M.J. Holsinger, 2900 Ringling Blvd., Sarasota, FL 34237, USA. E-mail: . Phone: 01-813-951-4240. Fax: 01-813-955-0413.

Caribbean IPM Program Planned The U.K.-based Institute of Biological Control (IIBC) has announced "a vegetable IPM initiative in the Caribbean along similar lines to the very successful programme in the Philippines," according to a recent announcement. Scientists from IIBC's Caribbean and Latin American station began by conducting a socio-economic survey of farmer practices in Trinidad with special emphasis on pest management. Preliminary findings are said to reveal "excessive and inappropriate use of chemical insecticides, accounting for more than a quarter of crop production costs."

For more information, contact: IIBC-U.K., c/o CAB International, Wallingford, Oxon OX10 8DE, U.K.

excerpted from: CAB INTERNATIONAL, February 1995.

New Discussion Forum for Parasitic Hymenoptera A new discussion forum dedicated to parasitic Hymenoptera has been started. The list, PARAHYM, is intended to include all aspects of parasitic Hymenoptera, and thus be of interest to biological control workers, ecologists, systematists, and anyone else who is studying these organisms. To subscribe to this list, send a posting to:

listserver@nhm.ac.uk; leave subject line blank; for the message, key in (do not include your name, nor add a signature to your message, as the listserver will think it is a command and not recognize it [or, put the word on a new line, and the listserver will stop looking for commands]). Please pass on the information concerning this list to anyone that you think might be interested, and who might contribute to the discussion. Enquiries about this list can be sent to:

J.S. Noyes: jsn@nhm.ac.uk J. LaSalle: jl@nhm.ac.uk Phone: 44-071-938-9328. Fax: 44-071-9328-8937

China Battles Rats Rats are eating more and more of the crops Chinese farmers produce, in large part because people have been killing rats' natural predatorsanimals that prey on rodentsaccording to an Associated Press story. The Chinese Ministry of Agriculture is launching a national campaign to control rodents, the official Xinhua News Agency reported recently. The report also noted that rat-caused damage to crops has increased 50 percent since 1989. In 1994, rats were blamed for destroying 7.7 million tons of rice, or enough to feed 40 million people for a year.

Rat-borne diseases also have been on the rise in some areas of China. Xinhua blamed the problem on inadequate rat-control efforts by local officials and on people who kill snakes, weasels, owls, and other animals that prey on rats.

The report did not detail the campaign, but it noted that in Sichuan province alone, a major grain-producing area, 20 counties have raised the equivalent of US5,000 to kill rats.


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.

Newer Titles from CRC/Lewis Authors K. Opuszynski and J.V. Shireman have assembled a comprehensive review of the scientific literature about freshwater herbivorous fishes and published the result as HERBIVOROUS FISHES, CULTURE AND USE FOR WEED MANAGEMENT. The 223-page work focuses on Ctenopharyngodon idella, Hypophthalmichthys molitrix, and H. nobilis. Topics range from taxonomy to feeding behavior and reproductive growth. The 1995 title includes a reference list of over 700 citations. Also available from the same publisher:


FRUIT FLIES AND THE STERILE INSECT TECHNIQUE, Calkins, C.O., W. Klassen, and P. Liedo, eds. 1994. 272 pgs.



All titles are available on 30-day examination. Contact: CRC/Lewis, 2000 Corporate Blvd., NW, Boca Raton, FL 33431, USA. Phone: 01-407-994-0555, or 800-272-7737. <#>

Hymenoptera in North Carolina As part of an ongoing study documenting insect biodiversity of the U.S. state of North Carolina, the state's agricultural insect taxonomist has published the 4TH SUPPLEMENT TO THE INSECTS OF NORTH CAROLINA, PART 1: HYMENOPTERA. The work lists 3,452 species of Hymenoptera found in North Carolina, noting additions to the collection, nomenclatural changes, specimens that have been cited in publications, and specimens in the teaching collection at North Carolina State Univ. Also available while supplies remain are complete sets of publications of INSECTS OF NORTH CAROLINA (includes the original book published in 1938, plus supplements 1-4).

For costs and further details about both items, contact: K. Ahlstrom, NC Department of Agriculture, Plant Industry Div., PO Box 27647, Raleigh, NC 27611, USA. Phone: 01-919-733-3610. E-mail: ken_ahlstrom@ncdamail.agr.state.nc.us. Fax: 01-919-733-1041.

Rots Impact Groundnuts Stem and pod rots reduce groundnut [Arachis hypogaea L.] yields in many countries, up to 80% in heavily infested areas. A new information bulletin (no. 44) from the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) summarizes progress made in understanding the epidemiology of the disease. STEM AND POD ROTS OF GROUNDNUT, by V.K. Mehan et al also discusses integrated disease management approaches and breeding of resistant cultivars. The 1995, 23-page, softbound volume contains numerous full color photos. For more information, contact: Publications, ICRISAT, Patancheru 502 324, A.P., INDIA. Other Recent Publications BIOLOGICAL AND HOST RANGE STUDIES WITH BAGOUS AFFINIS, AN INDIAN WEEVIL THAT DESTROYS HYDRILLA TUBERS, Buckingham, G.R., and C.A. Bennett. 1994, 54 pgs., Report A-94-8. U.S. Army Corps of Engineers, Waterways Exp. Stn., 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199, USA. BIOLOGICAL CONTROL WITH EGG PARASITOIDS, Wajnberg, E., and S.A. Hassan, eds. 1994, 286 pgs. CAB International, Wallingford, Oxon OX10 8DE, U.K.

INDUCED RESISTANCE TO DISEASE IN PLANTS, Hammerschmidt, R., and J. Kuc, eds. Developments in Plant Pathology, Vol. 4. 1995, 182 pgs. Kluwer Academic Publishing, 101 Philip Dr., Norwell, MA 02061, USA.

NEW POND FACILITY FOR AQUATIC PLANT BIOCONTROL RESEARCH, Grodowitz, M.J., and E.L. Snoddy. 1995, 8 pgs., APCRP Report A-95-2. U.S. Army Corps of Engineers, Waterways Exp. Stn., 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199, USA.

QUARANTINE TREATMENTS FOR PESTS OF FOOD PLANTS, Sharp, J.L., and G.J. Hallman, eds. Westview Studies in Insect Biology. 1994, 290 pgs. Westview Press, 5500 Central Ave., Boulder, CO 80301-2877, USA.

Insect Control Reference The 1995 edition of INSECT CONTROL GUIDE is designed to provide crop consultants and growers with a single reference source for managing 500 insect pests in more than 100 crops. The softbound publication includes information on a wide range of products and topics including expanded data on IPM-related topics and materials. For more information, contact: Meister Publishing Co., 37733 Euclid Ave., Willoughby, OH 44094, USA. Phone: 01-800-572-7740. Fax: 01-216-942-0662. IPM Fact Sheet Series Offered A series of fact sheets, under the title COMMON SENSE METHODS OF MANAGING PESTS, offers useful, practical information. A sampling of topics covered includes:

"Forage IPM/Sustainable Management Strategies for Cropland, Hayland and Pasture;"

"Integrated Pest Management, Soil and Water Conservation, Nutrient Management and Water Quality;"

"Integrated Pest Management Checklist;"

"Gardeners ... Develop an Integrated Pest Management (IPM) Attitude to Work with Nature."

For more information, contact: IPM Coordinator, Bureau of Plant Industry, Pennsylvania Dept. of Agriculture, 2301 N. Cameron St., Harrisburg, PA 17110-9408, USA. RESOURCES ONLINE INFORMATION SERVICE An electronic publishing service offers remote, electronic access to a wide range of scientific journals, reports, technical documents, conference proceedings, books, and newsletters in the disciplines of microbiology, biotechnology, biodiversity, and bioinformatics. The provider, Bioline Publications, collaborates with sci entific publishers, newsletter editors, and report authors to make current scientific material available more readily and at lower cost than conventional methods. Abstracts and summaries of papers in journals, contents lists, and summaries of reports and newsletters are all available free of charge, without registration.

Bioline Publications' service, provided in association with the Base de Dados Tropical (BDT), Brazil, currently covers more than 20 journals and nearly as many newsletters, plus a wide range of reports. Bioline uses the Internet; access is through gopher, World Wide Web, telnet, or e-mail. Users may browse or search at any level in the system. Delivery of full texts and graphics (online), however, requires registration and payment of a publications access fee that is based on number of readers who will use the requested material.

For full information, contact B. Kirsop, Bioline Publications, at: bio@biostrat.demon.co.uk.

MATERIALS & EQUIPMENT INSECT MONITORING SYSTEMS A free 30-page catalog lists a wide array of materials and equipment for insect monitoring including traps, and weather instruments. The supplier, Great Lakes IPM, also offers various beneficial insects and nematodes in bulk. For more information, contact: Great Lakes IPM, 10220 Church Rd. NE, Vestaburg, MI 48891, USA. Phone: 01-517-268-5693. BIOLOGICAL FUNGICIDE A free data sheet describes Streptomyces griseoviridis, a biological fungicide approved in several countries for both indoor or outside use in container grown vegetables and ornamental plants. The product, marketed as "Mycostop," contains the mycelium and spores of a selected strain of a soil bacterium, is isolated from Sphagnum peat, and is normally present in nature and not genetically modified. Mycostop is mass produced by fermentation and formulated as a wettable powder. For information, contact: Kemira Agro Oy, PO Box 330, 00101 Helsinki, FINLAND. Phone: 358-0-13-211.
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IPM RESEARCH/TECHNICAL PAPERS --- categories and topics related to IPM

III. FORUM / EDITORIAL viewpoints, opinions, and open discussion of IPM issues. The president of the National Alliance of Independent Crop Consultants (U.S.), H. Lambert, was invited to participate in a recent National IPM Coordinator's Workshop. In a published report, Lambert spoke about the meeting and said of the Alliance he represents, "We strongly support IPM use since most of our members are indeed professional IPM consultants. Could anyone ever oppose such a great example of sound science in U.S. agriculture?" "I believe that IPM is one of the more prominent examples of a sustainable or alternative practice that is more entrenched in conventional production agriculture that the latter is being given credit for," Mr. Lambert observed.

He called for Alliance members to actively participate in the IPM Initiative recently launched by the U.S. Department of Agriculture. "Crop consultants," he noted, alone or in small groups, can make "much needed input on the kind of education and demonstration efforts that are needed" to support and strengthen the Initiative.

excerpted from: AG CONSULTANT, April 1995.

" Quotes " "IPM systems have the greatest chance of wide scale adoption when growers initiate the system. Grower participation in the early stages of program development will most likely generate the greatest impact on reduced chemical use and therefore reduced impact on the environment." THE IPM REPORT, 3(2), Fall 1994.

IV. RESEARCH ROUNDUP research and findings related to IPM. Rational Registration Worked Out Two plant pathologists in the U.S. state of Massachusetts helped develop a more realistic appraisal of both risks and benefits of using certain fungicides on apples. The process, which lowers risks and raises benefits, resulted in registration that prescribes use-patterns which leave minimal residue at harvest and provide valuable tools for use in IPM programs. In "Estimating the Risks and Benefits of Pesticides: Considering the Agroecosystem and Integrated Pest Management in the Use of EBDC Fungicides on Apples," [ENVIRON. POLLU., 88(3), 315-320, 1995] D.R. Cooley and W.J. Manning note that calculating the risks and benefits of agricultural pesticides determines whether a pesticide will be registered for use on commodities in the U.S. Historically, the U.S. Environmental Protection Agency (EPA) has used very conservative estimates of health risks, particularly in the absence of data regarding actual use patterns of the pesticide and actual pesticide residue at the point of food purchase.

When grower groups and manufacturers were faced with the problem of losing ethylene bisdithiocarbamate (EBDC) fungicides, they approached EPA offering to provide hard data in place of estimates.

Plant pathologists familiar with apple agroecosystems pointed out that different fungicides have highly specific uses in IPM programs, and that banning EBDC use on apples would probably raise total pesticide use in apples by compromising the pesticide reductions obtained under existing IPM programs. In addition, an early study showed that use-patterns could significantly reduce the amount of EBDC residue on apples. The result was the modified, hard data-based, registration

excerpted from: CURR. CONT. ON DISC, Ag., Bio. & Env. Sci, 26(16), April 1995.

A 1994 publication, BIOLOGY AND MANAGEMENT OF RICE INSECTS, by Heinrichs, E.A., (published by John Wiley & Sons Inc.) includes the following papers:

"Development of an Integrated Pest Management System for Rice in Latin-America," Weber, G. and O. Parada; and,

"Development and Implementation of Rice IPM in Japan," Kiritani, K., and K. Naba.

Noted Research Papers "An Estimation of Potential Economic Returns from the Strategic Control Approach to the Management of African Armyworm Spodoptera exempta (Lepidoptera: Noctuidae) Populations in Eastern Africa," Cheke, R.A., and M.R. Tucker. CROP PROT., 14(2), 91-104, March 1995. "An Estimation of the Control Threshold of the Rice Stem Borer, Chilo-Suppressalis (Walker)(Lepidoptera, Pyralidae) Based on the Pheromone Trap Catches," Kondo, A., and F. Tanaka. APPL. ENT. AND ZOOL., 30(1), 103-110, February 1995.

"An Experimental Sprayer for the Spatially Selective Applica- tion of Herbicides," Paice, M.E.R., P.C.H. Miller, and J.D. Bodle. JRNL. OF AGRIC. ENG. RESCH., 60(2), 107-116, Feb- ruary 1995.

"Anatomical Characteristics of Maize Resistant to Leaf Feeding by Southwestern Corn Borer (Lepidoptera:Pyralidae) and Fall Armyworm (Lepidoptera: Noctuidae)," Davis, F.M., G.T. Baker, and W.P. Williams. JRNL. OF AGRIC. ENT., 12(1), 55-66, January 1995.

"Biological Control of Fusarium Wilt on Cotton by Use of Endo- phytic Bacteria," Chen, C., et al. BIO. CTRL., 5(1), 83-91, March 1995.

"Biological Control of Rumex Obtusifolius L by Goat Grazing," Sakanoue, S., N. Kitahara, and H. Hayashi. JAPAN AG. RESCH. QTRLY., 29(1), 39-42, January 1995.

"Controlling the Behavior of Insect Pests," Moore, C. SEARCH (Sci and Tech. in Australia and New Zealand), 26(2), 62, March 1995.

"Determination of a Management Strategy for Nematode Pests of Hawaiian Coffee," Schenck, S., and D. Schenck. INTL. JRNL. OF PEST MGMT., 40(3), 283, July-September 1994.

"Effects of Pesticides on Soil and Water Microflora and Mesofauna in Wetland Ricefields: A Summary of Current Knowledge and Extrapolation to Temperate Environments," Roger, P.A., et al. AUSTRALIAN JRNL. OF EXP. AGRIC., 34(7), 1057-1068, 1994.

"Farming and Ground Beetles: Effects of Agronomic Practice on Populations and Community Structure," Carcamo, H.A., J.K. Niemala, and J.R. Spence. CAN. ENTOMOL., 127(1), 123-140, January-February 1995.

"Frequency of Post-emergence Harrowing Effect Wild Oat Control and Spring Wheat Yield," Kirkland, K.J. CAN. JRNL. OF PLT. SCI., 75(1), 163-166, January 1995.

"Fungal Species Composition and Abundance on Stored Corn as Influenced by Several Management Practices and Maize Weevil (Coleoptera: Curculionidae)," Barney, R.J., et al. CROP PROT., 14(2), 159-164, March 1995.

"Growth-blocking Peptide: An Insect Biogenic Peptide that Prevents the Onset of Metamorphosis," Hayakawa, Y. JRNL. OF INSECT PHYS., 41(1), 1-6, January 1995.

"Influence of Small Grain Crops on Weeds and Ecofallow Corn (Zea mays)," Wicks, G.A., G.W. Mahnken, and G.E. Hanson. WEED SCI., 43(1), 128-133, January-March 1995.

"Integrated Pest Management: A Strategy to Control Resistance of Spodoptera exigua and Helicoverpa armigera Caterpillars to Insecticides on Soybean in the Mekong Delta", Chau, L.M. PESTICIDE SCI., 43(3), 255-258, March 1995.

"Physiological and Morphological Characteristics of the Sex Pheromone Detecting System in Male Corn Stemborers, Chilo partellus (Lepidoptera: Pyralidae)," Hansson, B.S., et al. JRNL. OF INSECT PHYS., 41(2), 171-178, February 1995.

"Potato Leafroll Virus Spread in Differentially Resistant Potato Cultivars Under Varying Aphid Densities," DiFonzo, C.D., D.W. Ragsdale, and E.B. Radcliffe. AMER. POTATO JRNL., 72(2), 119-132, February 1995.

"Reducing Herbicide Use for Weed Control in Soybean (Glycine max) Grown in Two Soil Types in Southwestern Ontario," Hamill, A.S., J.H. Zhang, and C.J. Swanton. CAN. JRNL. OF PLT. SCI., 75(1), 283-292, January 1995.

"Small Plot Mating Disruption Trials for Tufted Apple Bud Moth, Pltynota idaeusalis, in Pennsylvania Apple Orchards," Felland, S.M., et al. ENTO. EXP. ET APPLIC., 74(2), 105-114, February 1995.

"Solanum viarum: Weed Reservoir of Plant Viruses in Florida," McGovern, R.J., J.E. Polston, and J.J. Mullahey. INTL. JRNL. OF PEST MGMT., 40(3), 270-273, July-September 1994.

"Suppression of Maize Weevil, Sitophilus zeamais (Coleoptera: Curculionidae), Populations in Drums of Corn by Single and Multiple Releases of the Parasitoid Anisopteromalus calandrae (Hymenoptera: Pteromalidae), Wen, B., and J.H. Brower. JRNL. OF THE KANSAS ENTOMOL. SOC., 67(4), 331-339, October 1994.

"The Interaction of Insecticides with Herbicide Activity," Kwon, C.S., and D. Penner. WEED TECH., 9(1), 119-124, February 1995.

"The White Pine Weevil in British Columbia: Basis for an In- tegrated Pest Management System, " Alfaro, R.I., et al. FOR. CHRON., 71(1), 66-73, January-February 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

V. 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.

1995 2-7 July XIII INTERNATIONAL PLANT PROTECTION CONGRESS, "Sustainable Crop Protection for the Benefit of All," The Hague, The NETHERLANDS. Includes an IPM symposium. Contact: J.C. Zadoks, Organizer XIII IPPC, c/o Holland Organizing Centre, Parkstraat 29, 2514 JD The Hague, THE NETHERLANDS. Phone: 31-70-365-7850. FAX: 31-70-361-4846. 3-7 July 10th CONGRESS OF THE ENTOMOLOGICAL SOCIETY OF SOUTHERN AFRICA 1995, Rhodes University, Grahamstown, SOUTH AFRICA. The proposed program includes paper and poster sessions, workshops, a photographic exhibition (of the "Big Twelve" insects), informal social functions, and a formal conference dinner. Contact: M.H. Villet, Department of Zoology and Entomology, Rhodes Univ., Grahamstown 6140, SOUTH AFRICA. Phone: 27 [0]461 318-527. Fax: 27 [0]461 24377. E-mail: zomv@hippo.ru.ac.za.

10-12 July 9TH INTERNATIONAL SYMPOSIUM ON CHALLENGES FOR WEED SCIENCE IN A CHANGING EUROPE, Budapest, HUNGARY. Contact: L. Radics, Kerteszeti es Elelmiszeiripari Egyetem, Mezogazdasagi Termelesi Tanszek, Budapest, HUNGARY.

24-28 July 15th ASIAN-PACIFIC WEED SCIENCE SOCIETY CONFERENCE, Dai-ichi Hotel, Tsukuba Science City, JAPAN. Contact: K. Usui, Institute of Applied Biochemistry, Univ. of Tsukuba, Tsukuba, Ibaraki 305, JAPAN. Phone: 81-298-53-4748. Fax: 81-298-53-4605.

3-5 August NATURAL ENEMIES OF WHITEFLIES: COLLECTION AND IDENTIFICATION, International Institute of Entomology Short Course, London, UK. Contact: Training Officer, IIE, 56 Queen's Gate, London SW7 5JR, UK. Phone: 44-171-584-0067. Fax: 44-171-581-1676. E-mail: d.agassiz@cabi.org.

6-10 August THIRD INTERNATIONAL CARIBBEAN CONFERENCE OF ENTOMOLOGY, Cariari Hotel, San Jose, COSTA RICA. Held in conjunction with the 78th Annual Meeting of the Florida Entomological Society. Contact: R. Mizell, IFAS, Univ. of Florida, Agricultural Research Center, Rt 4, Box 4092, Monticello, FL 32344, USA. Phone: 01-904-997-2596. Fax: 01-904-997-8178. E-mail: RFM@gnv.ifas.ufl.edu.

12-16 August AMERICAN PHYTOPATHOLOGICAL SOC. ANNUAL MEETING, D.L. Lawrence Convention Ctr., Pittsburgh, PA, USA. Contact: APS, 3340 Pilot Knob Road, St. Paul, MN 55121-2097, USA. Phone: 01-612-454-7250. Fax: 01-612-454-0766.

23-26 August SYSTEMATICS OF INVERTEBRATES AND MICROORGANISMS GLOBAL WORKSHOP, Cardiff, Wales, U.K. Contact: M.A. Cook, Technical Secretariat, BioNET-INTERNATIONAL, 56 Queen's Gate, London, SW7 5JR, U.K. Phone: 44-171-584 0067. Fax: 44-171-581-0067. E-mail: cabi-bionet@cabi.org.

28 August-2 September 9th SYMPOSIUM OF IOBC/WPRS ON INTEGRATED PLANT PROTECTION IN ORCHARDS/3rd SYMPOSIUM OF ISHS ON INTEGRATED FRUIT PRODUCTION, Cedzyna (near Kielce), POLAND. Contact: R.W. Olszak, Research Institute of Pomology and Floriculture, Pomologiczna 18, PL 96-100 Skierniewice, P.O. Box 105, POLAND. Phone: 48-40-2021. Fax: 48-40-3238. Conference language: English.


# 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.

# 6-10 November XVIII CONGRESO NACIONAL DE CONTROL BIOLOGICO 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.

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.

1996 21-26 January 9th INTERNATIONAL SYMPOSIUM ON BIOLOGICAL CONTROL OF WEEDS. 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.

# 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.

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.

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 XX 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.

# 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.

# no date V SYMPOSIUM OF BIOLOGICAL CONTROL, Iguazu Falls, Parana, BRAZIL. Contact: F. Moscardi, EMBRAPA - Centro Nacional de Pesquisa de Soja, Cx. Postal 1061, CEP 86001-970, Londrina, PR, BRAZIL. E-mail: moscardi@cnpso1.embrapa.anpr.br.

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 Miami, 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.

M. Kogan (Oregon State Univ.) chairs CICP's Board of Directors. R. Ford (Univ. of Illinois) is vice chairman, 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 D. Dickson - dwd@gnv.ifas.ufl.edu A. Alvarez - alvarez@uhunix.uhcc.hawaii.edu M. Kogan, ex-officio - koganm@bcc.orst.edu G. Schaefers, ex-officio - george_schaefers@cornell.

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 mosaic document.

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