European Weed Research Society

European Weed Research Society 2nd CIRCULAR 10 TH WORKSHOP OF THE EWRS WORKING GROUP: PHYSICAL AND CULTURAL WEED CONTROL Alnarp, Sweden 16-19 March 2014 Dear Colleague, In this second circular we are pleased to give you information on the 10 th workshop of our working group. Please forward this circular to any interested colleagues in your institution/country. Information on the workshop will also appear on the working group s web site: http://www.ewrs.org/pwc/ The aim of the workshop is to create a forum where people involved in research in physical and cultural weed control can come together and exchange results, experiences, information, and establish new contacts and networks. In this circular you will find: The scientific programme Instructions for submission of full papers The venue and accommodation How to pay your workshop fee We strongly encourage you: To inform your colleagues to participate To propose a keynote theme and relevant speakers To suggest round table discussions and to chair them To chair oral sessions and give short introductions of posters We look forward to receiving your contributions and hope you will be able to join us in Sweden. 1

Venue The Workshop will take place at Swedish University of Agricultural Sciences (SUAS), campus at Alnarp, about 10 km north of Malmö (southern Sweden). The campus area is situated in a park surrounded by arable fields, but in a densely populated area. Education and research has been carried out at Alnarp for about 150 years. SUAS offers education in landscape architecture, horticulture and agriculture at BSc to MSc levels. http://www.slu.se/en/about-slu/locations/alnarp/ Accommodations and meals The participant will arrange accommodation on their own in the city of Malmö. There are several accommodations in the city with prices from about 45 Euro per night to 200 Euro per night (breakfast included). More information on tourist activities and hotels can be found at the website: http://www.malmotown.com/en/. For those who want to spend some extra days sightseeing, Copenhagen, the capital of Denmark, is just 30 min. away (www.visitcopenhagen.com) The following hotels are suggested: Scandic Hotell Kramer Stortorget 7 Tel +46 40 693 54 00 5 min walk to Malmö central railway station kramer@scandichotels.com http://www.scandichotels.com/hotels/countries/sweden/malmo/hotels/scandic-kramer/ Prices from about 130 Euro per night. A really good hotel at a central square in Malmö about 5 min walk from the station. Best Western Hotel Noble House Per Weijersgatan 6 Tel + 46 40 664 30 00 10-15 min walk from the station info@hotelnoblehouse.se http://hotelnoblehouse.se/index.aspx?languageid=9 Prices from about 120 Euro per night. A really good hotel in city centre of Malmö 10-15 min walk from the station. Special offers may apply. Comfort Hotel Malmö Carlsgatan 10 C Tel +46 40 33 04 40 5 min walk to Malmö central railway station co.malmo@choice.se https://www.nordicchoicehotels.com/comfort/comfort-hotel-malmo/ Prices from about 90 Euro per night. Special offers may apply. Nice hotel close to the railway station. 2

STF Hotell & Vandrarhem Malmö City Rönngatan 1 Tel +46 40 611 62 20 25 min walk to Malmö central railway station malmo.city@stfturist.se http://www.svenskaturistforeningen.se/en/discover-sweden/facilities-andactivities/skane/vandrarhem/stf-hotel-hostel-malmo-city/?intro=false Prices from 25 Euro to about 60 Euro per night. This is a hostel in an international tourist organization. Good, clean and quite new. Costs for participation Participation in the workshop is 2900 SEK (approx 300 ). Non-EWRS members will be charged an extra fee of 60. The registration fee will cover: Welcome drink and light meal on Sunday evening, lunches and coffee during the workshop, dinners on Monday and Tuesday, transport from your hotel to the venue, meeting s booklet, and the excursion on Tuesday. Payment will be made to JTI. Instruction is included in this circular. Practical details Transport We recommend that you fly to Copenhagen airport in Denmark. At Copenhagen airport there is a train connection to Malmö. Train runs often, 2-3 trains per hour and it takes about 30 minutes from the airport to Malmö Central Station. Note that there are stations before the Central Station that also are in the city of Malmö, but these are quite far away from the city centre. On arrival in Malmö, the local organisers will meet you and (if required) help you to your hotel. We recommend that you arrive no later than Sunday March 16 th. Weather and clothes In mid of March, the spring has started, but it can still be cold and rainy with temperatures around 5-10 C and sometimes even colder. Bring warm boots for outdoor use (excursion on Tuesday March 18 th ) and warm clothes. Currency, visa, electricity All major credit cards are accepted in Sweden. Avoid the Electron card, that could be difficult, but Visa and Master Card are easy to use. We have 230 V electricity. Payment is in Swedish krona (SEK). You cannot use EURO banknotes to pay in shops etc. Residents in countries outside the EU may need to apply for a visa to enter EU and Sweden. Remember that the airport is in Denmark and the workshop is in Sweden. Please contact your local authorities/embassies and check if you need a visa. We will send letter of invitation to you if needed, please inform us about this as soon as possible. On March 19 th 2014, participants will obtain a document certifying that they have attended the workshop. 3

Accompanying person You may want to bring an accompanying person who will not participate in the scientific program. City of Malmö is linked to Copenhagen in Denmark by a railway/car bridge that makes it easy to tourist in both cities. Please indicate by contact to local organisers if you intend to invite an accompanying person. Scientific programme Sunday 16 March 16.00 Afternoon and evening: Registration 19.00 Welcome drink Monday 17 March 08.00 Walk from hotels to bus (local organisation will guide you) 08.30 Bus to Alnarp (local organisation will guide you) 09.00 Registration 09.30 Opening adress Bo Melander Fredrik Fogelberg et al, local organising committee Session 1 Practical experiences with physical weed control Chairman: Fredrik Fogelberg 09.50 Physical and cultural weed control in Scandinavia, Ascard J et al,. Sweden 10.10 New approaches in the Netherlands, Hilfred Huiting, The Netherlands 10.40 Expert and farmer Mental Models for weed management in organic farming systems, Doug Doohan & Eric Gallandt, USA 11.00 Discussion including coffee Session 2 Thermal weed control Chairman: Bo Melander 11.20 Thermal, mechanical and chemical control of ragweed (Ambrosia artemisiifolia) in different habitats, Verschwele A., Germany 11.40 Post-dispersal weed seed flaming, Gallandt E., USA 12.00 Lunch Session 2 Thermal weed control (continued) 13.00 Optimisation of efficacy and eco-efficiency of hot water weed control, De Gauwer B et al., Belgium 13.20 Measuring temperatures on surfaces of the leaves of plants exposed to propane flame, Rajkovic M. et al, Serbia 13.40 Evaluation of an automatic steam applicator in strawberry, Fennimore S.A., USA 14.00 Discussion 14:30 Coffeebreak 4

Session 3 - Poster session 15.00 Presentation of posters, Bo Melander Provisional list of posters Mechanical and cultural methods improve weed control of herbicide resistant weeds. Impact of Chaff Collection, Primary Tillage and Cultivation On Ragweed (Ambrosia artemisiifolia) Population. The effect of different cover crops and nitrogen split on weed control in forage maize (Zea mays) Acroptilon repens (L.) Dc essential oil phytotoxic activity and its possible use as a bioherbicide The effect of mechanical weed control methods and nitrogen fertilizer An evaluation of two sweep cultivator types on annual weeds control in sugarcane fields Determination of the critical period of weed control in Potato (Solanum tuberosum L.) Experiences on physical weed control in nursery container production Evaluation of the impact of organic weed control practices on soil seed banks of organic farms in California, USA Evaluation of hand tools for weeding Session 4 - Climate and medicinal plants Chairman: Fredrik Fogelberg 16.30 Predicting agricultural weed species distribution shifts due to climate change in the northeastern United States, Brown BJ, USA 16.50 The Potential of Medicinal Plants and Their Uses for Weed Control in Agroecosystems, Salhi N, France 17.10 Discussion 17.30 Transport to Malmö 19.00 Dinner in Malmö Tuesday 18 March 07.30 Walk from hotels to bus 08.00 Bus to Alnarp Session 5 Machines for weed control 09.00 Introduction to weed control machines, Sven-Erik Svensson 09.30 Indoor show of some interesting machines for weed control eg Garford RoboCrop 4 m Excursion 11.00 Departure from Alnarp. Lunch at the first stop. Evening: Dinner at a local place in the region of Skåne. 5

Wednesday 19 March 07.30 Walk from hotels to bus 08.00 Bus to Alnarp Session 6 New approaches Chairman: Marleen Riemens 09.00 UAS (unmanned aircraft systems) imagery as a tool in physical weed management, Rasmussen J., Denmark 09.20 Site-specific physical weed control by autonomous unmanned unit, Frasconi M., Italy 09.40 Brassica juncea Biofumigation Effect on Weed Seed Viability, Lefebvre M. & Leblanc M., Canada 10.00 Discussion 10.10 Coffe/tea Session 7 Cropping systems Chairman: John Ascard 10.35 Effect of Cropping Diversity and Input System on Weed Populations in a 18- year Cropping System Study, Johnson E., Canada 10.45 Evaluation of the impact of organic weed control practices on soil seed banks of organic farms in California, Smith R.F. & Shaw J., USA 11.05 Weed control effect of covering seed rows of an organic carrot crop with sand, compost or soil, Hansson D., Sweden 11.25 Fertilizer placement and competitive ability of spring barley varieties. Results from two years of organic field trial, Madsen K.H., Denmark 11.45 Discussion 12.00 Lunch Session 8 Perennial weed management Chairman: Hansson David 13.00 Timing of stubble cultivations is important for the control of Elymus repens, Ringselle B., Sweden 13.20 Comparing efficacy of mechanical and chemical options for perennial weed control, Marleen Riemens, The Netherlands 13.40 The dynamics of Cirsium arvense and Elytrigia repesn in long-termed organic crop rotation experiments, Melander B. & Rasmussen I.A., Denmark 14.00 Discussion and end of workshop 15.00 Transport to Malmö for participants returning home 15.00 Visit to the agricultural museum and park of Alnarp for participants staying until Thursday Thursday 20 March Optional tours pre-registration necessary. Minimum of five participants required. Cost not included in workshop fee Study tour to Väderstad and Gothia Redskap AB. Study tour to farms and machine companies in province of Skåne 6

Abstracts, posters and proceedings A booklet with one-page abstracts of all scientific contributions will be available at the workshop. The abstracts and optional full papers of all scientific contributions, both oral and poster papers, will appear in the Proceedings, which will be published on the working group s web site after the workshop. There are still possibilities to present a poster at the workshop. Please contact the local organisers in January 2014 if you or a colleague would like to contribute with a poster. Those participants displaying a poster must send 1-2 PowerPoint slides to Fredrik.Fogelberg@jti.se BEFORE March 10th 2014. Your posters will only be introduced, if we have received these slides in time. The slide MUST contain: Poster title Name(s) of authors incl. country codes. If more than two authors use: et al. Objective of the work Main results and conclusions Important dates and deadlines (please take note): 20 th December 2013 Second Circular containing: Final Scientific Programme 25 th January 2014 Deadline for submission of final abstracts and optional full papers for the Proceedings 20 th February 2014 Deadline for payment of workshop fee Organising committee Scientific organisers Bo Melander, Aarhus University, Faculty of Agricultural Sciences, Department of Integrated Pest Management, Research Centre Flakkebjerg, Denmark Daniel Cloutier, AgroByte, Hawkesbury, Canada Marleen Riemens, Plant Research International, Wageningen, The Netherlands Local organisers Fredrik Fogelberg, JTI Swedish Institute of Agricultural and Environmental Engineering, Uppsala, Sweden Postal address: JTI, POB 7033, SE-750 07 Uppsala, Sweden Fax: +46 18 30 09 56 Telephone: +46 10 516 69 08 Fredrik.Fogelberg@jti.se 7

Johan Ascard, Swedish Board of Agriculture, Alnarp, Sweden Johan.Ascard@jordbruksverket.se David Hansson, Swedish University of Agricultural Sciences, Alnarp, Sweden David.Hansson@slu.se Sven-Erik Svensson, Swedish University of Agricultural Sciences, Alnarp, Sweden Sven-Erik.Svensson@slu.se Chairman and deputy of the working group Bo Melander (Aarhus University, Faculty of Agricultural Sciences, Department of Integrated Pest Management, Research Centre Flakkebjerg, Denmark) Marleen Riemens, Plant Research International, Wageningen, The Netherlands 8

Instruction for payment of workshop fee Participant information Last name... First name... Country... Member of EWRS (mark with x) Yes... No...(add 580 SEK) to payment Arrival date... Departure date... I need to be picked up at the railway station in Malmö Yes... No... If yes, please inform local organiser about your flight arrival (time and date) no later than Friday March 14 th at 1800 hours CET. E-mail: Fredrik.Fogelberg@jti.se Cost for participation is 2900 SEK (Swedish krona). Please pay this sum to: JTI Swedish Institute of Agricultural and Environmental Engineering Bank account 6662-657660612 Bank: Svenska Handelsbanken SWIFT: HANDSESS IBAN: SE2360000000000657660612 Please state your name on payment as you have written it above. There might come several persons from the same organisation so we need to be able to identify the person related to the payment. Add costs for money transfer if applicable. Scan and e-mail this document to: Fredrik.Fogelberg@jti.se or send by fax to +46 18 30 09 56 or by post to JTI, att: Fredrik Fogelberg, pob 7033, SE-750 07 Uppsala, Sweden This should preferably be done when you have paid the workshop fee. 9

Accompanying person Last name... First name... Country... The fee for accompanying person includes reception on Sunday March 16 th, dinner on Monday March 17 th and the excursion including lunch and dinner on Tuesday March 18 th Cost for participation in the abovementioned activities is 1400 SEK (Swedish krona). Please pay this sum to: JTI Swedish Institute of Agricultural and Environmental Engineering Bank account 6662-657660612 Bank: Svenska Handelsbanken SWIFT: HANDSESS IBAN: SE2360000000000657660612 Post workshop tours The local organisation committee will arrange post workshop tours if minimum five persons join one of the suggested tours. Each tours is planned to be a full day. Please indicate your interest in either of the tour be replying to Fredrik.Fogelberg@jti.se no later than February 1 st. The number of participants decides the tour fee. We will come back to you in the period February 1 st -Februari 15 th with additional information. 1) Tour to seeding Väderstad AB (seeding machines, cultivators et cetera) and Gothia Redskap AB (seeding machine with possibility to perform inter-row cultivation). Tour number 1) will require train to city of Linköping in south-central Sweden. We will organise a minibus to the machine companies and in the evening return to Malmö by train. From Linköping, it is easy to take a train to Stockholm and spend some days there as tourist. 2) Farms and machine companies in the province of Skåne (the province where the workshop is located. Tour number 2 will include visits to 1-2 farms and 1-2 machine companies or other companies working with food production, vegetables or animal breeding/production. The tour will be organised with minibus and we will return to Malmö in the evening. 10