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June 2009, Issue no. 171
ISSN: 1523-7893 © Copyright 2005

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IPM NEWS --- international IPM news and programs


Mixed Outcome for Biotech Crops in the Developing World

After conducting a thoughtful and extensive survey of the available but reportedly meager world literature evaluating benefits that genetically modified crops can deliver to agriculture in the developing world, a group of scientists published a recent in-depth report bestowing a tepid, one-thumb-up judgment.

In their multi-faceted study, "Measuring the Economic Impacts of Transgenic Crops in Developing Agriculture during the First DecadeApproaches, Findings, and Future Directions," M. Smale, et al, conclude that, "overall, the balance sheet remains promising for the few biotech crops that have been introduced in developing economies." The authors deemed this to be "especially true for emerging economies (such as China and India) with vibrant research institutions and strong markets," as well as for commercially oriented growers with technological knowledge and access to active markets. In other regions the prospects are less optimistic. Much less, in fact.

The externally funded and extensively reviewed study was published in 2009 by the International Food Policy Research Institute (IFPRI) as Food Policy Review 10. The work examined a swath of applied economics literature relative to the impacts of biotechnology on "non-industrialized" agriculture and consumers. The 125-page paper delves into the nuts and bolts of economic assessments, trade studies, elasticity, and other technologia and concludes that evidence presented in the literature "is not synonymous with fact."

The charge, to explore a key concern of IFPRI's, whether biotech crops can benefit "poor farmers," and to produce this landmark analysis of a hotly debated subject, clearly challenged the authors, who note "we cannot claim objectivity on a topic fraught with strongly held views," but who also vouch that they gave their "best effort to disentangle from the controversy some facts about economic impacts of biotech crops on farmers in developing economies" in the period 1997-2007.

The study sets out in some detail several improvements in the range and scope of studies the authors view as needed over the next decade. A cautionary note advises that "more careful and more comprehensive research design" is warranted, in spite of the pressure to produce information for an eager public.

The review, aside from its findings, contributes a massive reference list. The entire paper can be freely downloaded from www.ifpri.org/pubs/fpreview/pv10.asp. -> IFPRI, 2033 K St., NW, Washington, DC 20006-1002, USA. ifpri@cgiar.org. Fax: 1-202-467-4439. Voice: 1-202-862-5600. excerpted, with thanks, from the study; thanks, also, for information provided by Crop Biotech Update.

Warming Climate Suits Invasive Weeds

Preliminary findings from a study being conducted in western and northern Europe by CABI Switzerland point to increasing spread of invasive Fallopia species (knotweeds) triggered by warming climates, according to the program's director, U. Schaffner.

Warmer sites had higher germination and seedling growth rates of knotweeds than cooler northern regions. Initial research results suggest that increased prevailing temperatures are likely to spur the viability of seedlings and accelerate invasive spread of F. japonica, F. sachalinensis, and their hybrid Fallopia x bohemica, noted Dr. Schaffner in the recent report, "Climate Change Boosts Spread of Invasive Weed," on the web at tinyurl.com/pmpgez.

Schaffner observed that a "warming climate will make exotic Fallopia more difficult to control, hence the urgent need to devote more resources to develop cost-effective control and eradication methods." Currently knotweeds can be found in most European nations ranging from Russia to Norway, and Portugal to Bulgaria. -> U. Schaffner, CABI Europe, U.Schaffner@cabi.org. Voice: 41-0-32-421-4877.


* Through IPM implementation, insecticide use on tomatoes grown for processing in New Zealand declined over 20 years on the order of 95 percent. -> P.J. Cameron, CameronP@xtra.co.nz.

* A survey revealed that less than 1 percent of the research papers published since 1972 in journals addressing the discipline of economic entomology include economic evaluations of pest management tactics. -> D.W. Onstad, Onstad@illinois.edu.

* International collaborators have discovered a wheat gene sequenceLr34 transporter protein–that confers resistance to three major cereal diseases. -> E. Lagudah, Evans.Laguda@csiro.au.

* No specimens of Diabrotica virgifera virgifera (western corn rootworm) have been found in the Netherlands for three consecutive years confirming that this pest has been eradicated from the country. -> EPPO Reporting Service, hq@eppo.fr.

* Results from trials in Argentina suggest that weather is a more important factor for Fusarium graminearum causing fusarium head blight infection in wheat than tillage and fertilizer treatments. -> G.A. Lori, GALori@infovia.com.ar.

* Aerially applied verbenone-releasing flakes were found to protect Pinus contorta (lodgepole pine) stands from attack by Dendroctonus ponderosae (mountain pine beetle). -> N.E. Gillette, NGillette@fs.fed.us.

II. IPM-RELATED INFORMATION RESOURCES web, CD/DVD, video and shorter publications

IPMnet NEWS welcomes information about websites, publications, CD/DVDs, or videos focused on, or related to, crop plant IPM, or invasives. Please send a review copy of the material to the postal address at end of this file; or, send the URL to: IPMnet@science.oregonstate.edu. {$} indicates an item can be purchased, or that there may be charges for handling and postage, or both.

Training Aid for Vegetable Production IPM

A Canadian website offers a well-designed and informative IPM educational resource for vegetable production. The Ontario Crop IPM website, and a stand-alone CD, serve as interactive educational tools to improve knowledge of IPM. Both the website and CD contain Ontario-specific IPM training and resources for brassicas, cucurbits, peppers, sweet corn, strawberries, and tomatoes. The crop-specific modules guide users through the most common insects, diseases, disorders, weeds, and herbicide injuries that affect these crops in Ontario. Distinguishing between look-alike species, as well as diagnosing soil problems are also covered. Scouting calendars, identification keys, and a glossary are additional materials to assist users in management decisions. The information can be accessed either via the various online modules at www.ontario.ca/cropIPM, or can be ordered in full as a CD copy (Pub. AF141) from Service Ontario (www.serviceontario.ca/publications), or by phone at: 1-416-326-5300. -> J. Allen, Vegetable Crop Specialist, OMAFRA, 1 Stone Road W., Guelph, ON N1G 4Y2, CANADA. Voice: 1-519-826-4963. Jennifer.Allen@ontario.ca. –thanks to J. Allen for information and material.

Spraying Application Guidance

A multi-color, information-rich document published by the Grains Research & Development Corp. (GRDC), a unit of the Dept. of Primary Industries and Fisheries, Queensland, AUSTRALIA, is based on the tenet that "efficient pesticide application ensures effective spray coverage of the target while minimizing off-target effects." The 6-page SPRAY DRIFT FACT SHEET is a well organized and extensive reference covering topics ranging from pre-application communication to the actual mechanics of spray application. A chart (from another source) links elements of the spraying process with influencing factors and potential losses. The buffer zone concept is discussed in depth. The 2008, attractively designed document, at tinyurl.com/q5jyz3, cites the need for training and record keeping in addition to careful selection and maintenance of equipment. -> GRDC, PO Box 5367, Kingston, ACT 2604, AUSTRALIA. grdc@grdc.com.au. Fax: 61-2-6166-4599. Voice: 61-2-6166-4500. excerpted, with thanks, from the GRDC website.

Staving Off Pest Resistance

The pesticide industry, through its representative organization, CropLife International, sponsors the Insecticide Resistance Action Committee (IRAC) as a worldwide specialist technical group dedicated to preventing, or at least delaying, development of insecticide resistance in pest insect and mite species. The Committee notes that resistance can lead to higher production costs, lower yields, additional land requirements, increased treatments, as well as loss of irreplaceable pest management tools. IRAC, formed in 1984, serves to facilitate communication and education and in that pursuit offers a website loaded with information, links, and useful information at www.irac-online.org. The site lists seven international IRAC teams and provides information for team formation. An array of mode of action information ("the key to insecticide resistance management") materials including colorful posters, leaflets, and classification data can be freely downloaded from the site. Materials are also available describing resistance management recommendations, resistance/susceptibility test methods, management techniques, and regulatory aspects. IRAC offers periodic workshops and maintains a calendar of Committee-related events. Printed versions of most periodically updated IRAC materials are available as well. -> Enquiries@irac-online.org. excerpted, with thanks, from the IRAC website and materials.

A Voice for Biopesticides

Advancing the global market for biopesticides, the Biopesticide Industry Alliance (BPIA) is avidly dedicated to fostering the use of biopesticides. The industry supported organization serves to increase the awareness of biopesticides, work for improvements in the regulatory process, and provide a vehicle for members and affiliates to use for networking. BPIA defines biopesticides as: "reduced risk products based on biological or naturally derived chemistry." Alliance literature reminds readers that "by combining performance and safety, biopesticides offer value through benefits generally not realized by conventional pesticides." BPIA supports only those products that have undergone scientifically valid tests, are legally registered, and incorporate stewardship policies for maintenance of product integrity. Among stated goals: to develop and promote industry standards for biopesticides and assure quality and reliability. -> B. Stoneman, BPIA, PO Box 465, McFarland, WI 53558, USA. B.Stoneman@biopesticideindustryalliance.org. Www.biopesticideindustryalliance.org excerpted, with thanks, from BPIA materials.

III. IPM-RELATED PUBLICATIONS books, other longer publications

IPMnet NEWS will gladly mention publications focused on, or related to, crop plant IPM, pest management, crop protection or invasives. To facilitate review please send a copy of the publication, along with full details, to IPMnet NEWS (address at end of this file). many thanks, Ed.

{$} indicates a publication can be purchased, or that the publisher may charge for handling and postage, or both.

Broadening Disease Control

A collection of papers by 19 expert contributors focuses on the need to regularly strengthen and broaden the disease control armory in view of pathogens' high variability and adaptability, failures in fungicide sensitivity, and increasing host plant fungicide resistance. The result is DISEASE CONTROL IN CROPS Biological and Environmentally Friendly Approaches, a compilation edited by D. Walters, based on the premise that effective disease management/control requires a firm understanding of above- and below- ground crop ecology. Dr. Walters is involved with five of the fourteen chapters in this 2009 monograph in which subject matter ranges from managing diseases through already practiced procedures, such as cultural approaches, to the more esoteric aspects of using bacteriophages as agents for control of plant pathogenic bacteria, or disguising a crop's leaf surface so as to interfere with leaf topography and thereby possibly thwart or at least diminish foliar infections. The hardbound, 280-page volume examines the potential for development and, where feasible, exploitation of various techniques, as well as emphasizes the importance of understanding and harnessing crop ecology in the ongoing battle against ever shifting attack by pathogens. See: tinyurl.com/oc8wvd. {$} -> Wiley-Blackwell, 350 Main St., Malden, MA 02148, USA. Fax: 1-781-388-8210. Voice: 1-781-388-8200.

A Nematology Primer

In his preface, author M.R. Khan explains that the primary aim of his 2008 publication, PLANT NEMATODES Methodology, Morphology, Systematics, Biology and Ecology, is to "fulfill the needs of students, general researchers and teachers pursuing study in plant nematology." The hardbound work's 378 pages and seven broad chapters range across all aspects of nematology and incorporate in-depth and up-to-date information. The concise text is enhanced by some 80 color and black/white illustrations. A proposed classification of nematodes is an expansive listing including identification keys in some cases. An extended reference list and a glossary with abbreviations and symbols are included as fitting an all purpose reference. The information presented builds a knowledge platform, but stops short of venturing into the realm of nematode control/management. {$} See: tinyurl.com/o6sp9s. -> Science Publishers, PO Box 699, Enfield, NH 03748, USA. info@scipub.net. Fax: 1-603-632-5611. Voice: 1-603-632-7377.

Identifying and Controlling Grasshoppers

With more than 60 full color, close-up photos, a 2008 handbook provides useful visual assistance for identifying a variety of "grasshoppers" ranging from severe pests to neutral or even beneficial species. D.L. Johnson has published GRASSHOPPER IDENTIFICATION & CONTROL METHODS to provide knowledge that can be applied in an IPM context for managing the relatively limited number of pest grasshopper species. As Dr. Johnson notes, "being able to identify which species of grasshoppers need to be controlled and which do not will make pest control decisions clearer and reduce costs of pest management," as well as reduce the amount of insecticide used and thereby lessen potentially negative environmental impacts. In fact, the 42-page, spiral bound publication is subtitled, "to protect crops and the environment." Johnson discusses both cultural and chemical-based control strategies, and notes the importance of exercising economic thresholds as part of an IPM approach. The publication is printed on heavy, coated paperstock to withstand field usage. And while based on conditions found in the Canadian prairies, the volume offers material with far broader geographical relevance. -> D.L. Johnson, Dept. of Geography, Univ. of Lethbridge, 4401 Univ. Dr., Lethbridge, AL T1K 3M4, CANADA. Dan.Johnson@uleth.ca. excerpted, with thanks, from the cited publication.

Professional Opportunities Equipment, Products, Processes, & Services


Jefferson City, MO, USA * Develop statewide IPM programs that emphasize sustainable and organic vegetable and fruit production, and implement ongoing horticultural work at Lincoln Univ. Cooperative Research and Extension; develop curricula and produce, collect, and disseminate educational materials and programs; publish on both extension and research topics in appropriate journals; develop and maintain contacts with stakeholders; carry out occasional teaching assignments. * REQUIRES: PhD in plant pathology, entomology, horticulture or related discipline; experience with commercial fruit and vegetable IPM, especially vegetable diseases; ability to function positively with a diverse team of faculty and students; experience working with low income, ethnically diverse, and underserved audiences; strong written and oral skills, and capability to produce written materials below sixth grade reading level. Ref. #D4-345. * CONTACT: Human Resource Svcs., 101 Young Hall, Lincoln Univ., PO Box 29, Jefferson City, MO 65102, USA. See: www.lincolnu.edu/pages/110.asp?PositionID=383.


Europe * ENDURE, a European Network aiming to restructure crop protection research and development strategies, offers grants for two scientists from International Cooperation Partner Countries (ICPC) who wish to spend up to three months working as a visitor at one of the ENDURE research or university participant institutions. For information, including a list of ICPC countries, see: www.endure-network.eu/human_resources/staff_mobility/external_mobility. * S.A.M. Perryman, Rothamsted International, Harpenden, Herts., AL5 2JQ, UK. Voice: 44-01-582-763133, ext. 2810. Sarah.Perryman@bbsrc.ac.uk.


The increasing popularity of Global Positioning Satellite (GPS) technology for ground- based (and possibly airborne) material application activity attests to realization of important potential benefits such as avoiding skipped areas or overlaps, reducing the overall amount of material applied, decreasing exposure to chemicals, improving accuracy under low visibility conditions, reducing potential for human error, and provision of useful field data that probably otherwise would not be collected. Several useful papers on the topic discuss elements of GPS equipment selection and use. An early article by J. Lowenberg-DeBoer introduces the concept of "GPS Based Guidance Systems for Agriculture," at tinyurl.com/46eddv, while R. Taylor answers key questions and provides information for "Selecting and Comparing Guidance Systems" at tinyurl.com/4t9jkx (both papers are slow to download). M. Sullivan and M.R. Ehsani present "GPS Guidance SystemsAn Overview of the Components and Options," at ohioline.osu.edu/aex-fact/0570.html, and in a second paper cover "GPS Guidance SystemsTips for Purchasing a System," at tinyurl.com/r882qy.



The May 2009 edition of PEST MANAGEMENT SCIENCE is a 163-page special issue, “OECD: Managing Parasitic Weeds,” edited by E. Balazs et al. See: vol. 65, issue 5, containing 10 reviews, 6 mini-reviews, 5 research articles, a perspective, and a foreword, at: tinyurl.com/qsshdx.


Selections from current literature. IPMnet NEWS will gladly provide the address and email, as available, for first authors of the following titles. Direct requests to: IPMnet@science.oregonstate.edu.

Phytopathology “A Generic Theoretical Model for Biological Control of Foliar Plant Diseases,” Jeger, M.J., et al. * JOURN. OF THEO. BIOL., 256(2), 201-214, January 2009.

“Agronomic and Economic Responses of Spring Wheat to Management of Fusarium Head Blight,” Hollingsworth, C.R., et al. * PLANT DIS., 92(9), 1339-1348, September 2008.

Weed Science "Control - the Striga Conundrum," Hearne, S.J. * PEST MGMT. SCI., 65(5), 603-614, March 2009.

“Weed Manager–-A Model-based Decision Support System for Weed Management in Arable Crops,” Parsons, D.J., et al. * COMPUT. AND ELEC. IN AGRIC., 65(2), 155-167, March 2009.

Entomology “Applied Aspects of Neonicotinoid Uses in Crop Protection,” Elbert, A., et al. * PEST MGMT. SCI., 64(11), 1099-1105, November 2008.

"Trap Cropping, Planting Date, and Cowpea Variety as Potential Elements of an Integrated Pest Management Strategy for Lygus hesperus in Blackeyed Cowpea," Bensen, T.A., and S.R. Temple. * CROP PROT., 27(10), 1327-1334, October 2008.

Transgenics “Impacts of Bt Crops on Non-target Invertebrates and Insecticide Use Patterns,” Naranjo, S.E. * CAB REVIEWS: AG., VET. SCI., NUTRI., AND NATU. RESOR., 4 (011), 2009. tinyurl.com/oycb9v.

Vertebrate “The Ethics of Rodent Control,” Meerburg, B.G., et al. * PEST MGMT. SCI., 64(12), 1205-1211, December 2008.

General “Agricultural Landscape: Assessing the National Risk of Crop Pest and Disease Spread,” Margosian, M.L., et al. * BIOSCI., 59(2), 141-151, February 2009.

“Dose Response of Weed Seeds, Plant-parasitic Nematodes, and Pathogens to Twelve Rates of Metam Sodium in a California Soil,” Klose, S., et al. * PLANT DIS., 92(11), 1537-1550, November 2008.

"Farmers' Knowledge, Perceptions and Management of Vegetable Pests and Diseases in Botswana," Obopile, M., et al. * CROP PROT., 27(8), 1220-1224, August 2008.

“Mulch Optimization in Integrated Pest Management,” Quarles, W. * IPM PRACT., 30(7/8), July/August 2008.


Long-term IPM Research Pays Off The wide ranging Aphis glycines (soybean aphid) was first detected in the USA during 2000. Since 2003, US state and federal governments have responded by channeling US million toward A. glycines research and education, with emphasis on an IPM approach. The net economic benefit of that effort, as calculated by agricultural economist S.M. Swinton, should grow to approximately US.3 billion over the next 15 years, or an annual rate of return of 180 percent. Dr. Swinton and colleagues at Michigan State Univ. presented their findings at the 2009 International IPM Symposium, noting that the A. glycines effort exemplifies the potential for a healthy payoff from long-term research. The researchers emphasized the importance of field scouting for this pest and only launching a control action when a carefully determined cost-effectiveness threshold has been met and only then when beneficial organisms will not be impacted. More information is at: tinyurl.com/ch5s26. -> S.M. Swinton, 304 Agric. Hall, Michigan State Univ., East Lansing, MI 48824-1039, USA. SwintonS@msu.edu. Voice: 1-517-353-7218. excerpted, with thanks, from EurekAlert; thanks also to M. Fellows.

Landscape Pest Cards Published For individuals involved with landscape (amenity) pest management, the Univ. of California recently published a set of 43 laminated, pocket-sized LANDSCAPE PEST IDENTIFICATION CARDS designed for in-field, quick reference to 80 common insects and mites, 40 diseases, 20 beneficial insects, and a variety of other disorders and invertebrate pests. Authors L.L. Strand and J.K. Clark identify each pest/beneficial by description and through presentation of 211 full color, close-up photos covering important symptoms and life stages. The handy cards are intended to assist with identifying and managing a wide variety of pest species and problems found in landscape settings and beyond. Information about natural enemies and suggestions for least toxic management options are also included in the card pack. The publication is Pub. #3513. {$} See: anrcatalog.ucdavis.edu/items/3513.aspx.

VII. IPMnet CALENDARUPDATE recent additions and revisions (only) to a global listing of forthcoming IPM-related events, 2009-2013.


1=> The IPMnet CALENDARUpdate, lists only: (N)ew events not previously cited in IPMnet NEWS; and, [R]evised events with new information compared to a previous mention in IPMnet NEWS.

2=> The IPMnet CALENDAR, Latest Complete Version, can be requested any time from IPMnet@science.oregonstate.edu. It is online at www.pestinfo.org/calendar.php3 courtesy of the International Society for Pest Information (ISPI) and B. Zelazny, ISPI's executive director. The site is designed with features intended for user convenience. The "IPMnet CALENDAR Update" appears in each IPMnet NEWS issue.

3=> Please send information about future events, or revisions, to: IPMnet NEWS, at IPMnet@science.oregonstate.edu. Information listed in the IPMnet CALENDAR was supplied by, and collected from, various sources; IPMnet greatly appreciates all cooperation.

(N)ewly Listed, or [R]evised Entries: as of 31 June 2009

(N) 08-11 June * NATIONAL CONGRESS SOCIETE FRANCAISE DE PHYTOPATHOLOGIE, Lyon, FRANCE. Contact: F. Revers, www.sfp-asso.org. Revers@bordeaux.inra.fr.

(N) 08-12 June * 8TH INTERNATIONAL SYMPOSIUM ON APHIDS, Catania, ITALY. Contact: S. Barbagallo, Dipt. di Sci. e Tech. Fitosanitarie, Via S. Sofia 100, 95123 Catania, ITALY. Fax: 39-095-714-7285. Voice: 39-095-714-7352. SeBarbag@unict.it. www.8isasicily.net/home.html.

(N) 07-10 September * 2ND INTERNATIONAL CONFERENCE ON NOVEL AND SUSTAINABLE WEED MANAGEMENT IN ARID AND SEMI-ARID AGRO- ECOSYSTEMS, Santorini, GREECE. Contact: Organizing Committee, Economou@aua.gr. www.ewrs.org/arid/default.asp.

(N) 08-10 September * 8TH INTERNATIONAL CONFERENCE ON WEED BIOLOGY, Dijon, FRANCE. Contact: J. Gasquez, UMR Biol. et Gestion des Adventices, BP 86510, Cedex 21065 Dijon, FRANCE. Gasquez@dijon.inra.fr. www2.dijon.inra.fr/bga/conference2009.

(N) 30 September-02 October * 10TH WORKSHOP: SUPRO FRUIT 2009, “Spray Application Techniques in Fruit Growing,” Wageningen, THE NETHERLANDS. Contact: Secretariat, suprofruit2009@wur.nl. Voice: 31-317-485309. www.suprofruit2009.wur.nl.

(N) 13-15 October * EPPO CONFERENCE ON COMPUTER AIDS FOR PLANT PROTECTION, Istanbul, TURKEY. See: tinyurl.com/opnncp.

(N) 21-23 October * 1ST INTERNATIONAL CEREAL CYST NEMATODE INITIATIVE (ICCNI) WORKSHOP, Antalya, TURKEY. Contact: J.M. Nicol, Workshop Organizer, CIMMYT Global Wheat Program, P.K. 39 Emek, 06511 Ankara, TURKEY. J.Nicol@cgiar.org. Fax:90-312-327-0798. Voice: 90-312-344-8777.

(N) 09-11 November * INTERNATIONAL COLLOQUIUM, GESTION DES RISQUES PHYTOSANITAIRES, Marrakech, MOROCCO. Contact: Moroccan and French Associations for Plant Protection contact@amppmaroc.org. www.amppmaroc.org.

(N) 09-12 November * 5TH INTERNATIONAL BEMISIA WORKSHOP, Guangzhou, P.R. CHINA. Contact: B.L. Qiu, fax: 86-20-852-80292. BaoLiQiu@yahoo.cn. www.ibws.org.

(N) 10-13 November * MULTI-ORGANIZATION CONGRESS, WEED SCIENCE AND BIODIVERSITY IN A SUSTAINABLE AGRICULTURE, Lisbon, PORTUGAL. Contact: E. Sousa, Secc. de Fito e Herbol., Ins. Superior de Agron. Tapada da Ajuda, 1349-017, Lisbon, PORTUGAL. Cherbologia2009@isa.utl.pt. tinyurl.com/d8jhzs.

(N) 24-27 November * 3RD NATIONAL CONGRESS ON BIOLOGICAL INVASIONS IN SPAIN, Zaragoza, SPAIN. Contact: GEIB, C/ Tarifa 7 Navatejera, (24193) Leon, SPAIN. Congreso.eei.2009@gmail.com. Voice: 34-6098-59119. ei2009.blogspot.com.

(N) 22-25 February * 24TH VERTEBRATE PEST CONFERENCE, Sacramento, CA, USA. Contact: see www.vpconference.org.

(R) 13-18 June * new information * 13TH CONGRESS OF THE MEDITERRANEAN PHYTOPATHOLOGICAL UNION, Rome, ITALY. Contact: L. Mugnai, Laura.Mugnai@unifi.it. www.mpunion.com.

(N) 04-08 July * 12TH IUPAC INTERNATIONAL CONGRESS OF PESTICIDE CHEMISTRY, Melbourne, AUSTRALIA. Contact: E. Gibson, RACI, 1/21 Vale St., North Melbourne, VIC 3051, AUSTRALIA. Fax: 61-03-9328-2670. Voice: 61-03-9328-2033. Elizabeth@raci.org.au. www.iupac.org/web/act/Melbourne_2010-07-04.

(N) 12-15 July * 15TH EUROPEAN WEED RESEARCH SOCIETY SYMPOSIUM, Kaposvar, HUNGARY. Contact: Secretariat, ewrs@asszistencia.hu. www.asszisztencia.hu/ewrs.

(N) October * 8TH INTERNATIONAL WORKSHOP ON BIOLOGICAL CONTROL AND MANAGEMENT OF Chromolaena odorata AND OTHER EUPATORIEAE; and WORKSHOP ON MANAGEMENT OF Parthenium hysterophorus, Nairobi, KENYA. Contact: C. Zachariades, ARC-PPRI, Private Bag X6006, Hilton, 3245, SOUTH AFRICA. ZachariadesC@arc.agric.za. Fax: 27-33-355-9423.

(R) 06-10 Aug * new information * 17TH PLANT PROTECTION CONGRESS, AMERICAN PHYTOPATHOLOGICAL SOCIETY and INTERNATIONAL ASSOCIATION OF PLANT PROTECTION SCIENCES JOINT MEETING, Honolulu, HI, USA. Contact: E.A. Heinrichs, Dept. Of Entomology, Univ. of Nebraska, Lincoln, NE 68583-0816, USA. Eheinrichs2@unl.edu. Fax: 1-402-472-4687. Voice: 1-402-472-2123. www.plantprotection.org.

No (N)ew or [R]evised listings to report for these years.

About IPMnet IPMnet is a free, global, IPM information resource service produced in collaboration with the Integrated Plant Protection Center (IPPC) at Oregon State Univ., USA, www.ipmnet.org, and underwritten by the U.S. Agency for International Development's IPM-Collaborative Research Support Program tinyurl.com/5s727h, the U.S. Dept. of Agriculture's Cooperative State Research, Education and Extension Service www.csrees.usda.gov, and IPPC. IPMnet maintains working relationships with the International Society for Pest information www.pestinfo.org, and the International Association for the Plant Protection Sciences www.plantprotection.org.

IPMnet NEWS June 2009 Issue #171 ISSN: 1523-7893

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