1. Poster Session 3: Integrated weed management in vegetables and other minor crops. Invasive and parasitic weeds Session Organizer: E. Pannacci, J. Aibar JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

2. Poster Session 3: Integrated weed management in vegetables and other minor crops. Invasive and parasitic weeds JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain Solutions to the loss of active ingredients for weed control in field vegetable and fruit crops. J. Atwood, L.Tatnell, A. Richardson, C.Knott, T. O’Neill and A. Huckle. Allelopathic effects of mugwort (Artemisia vulgaris L.) on seed germination and growth of Sinapis alba L.; Triticum aestivum L. and Lolium multiflorum Lam. E. Pannacci, D. Pettorossi, L. Regni, F. Tei. Determination of alfalfa dodder (Cuscuta approximata Bab.) damage on alfalfa (Medicago sativa L.) grown in Van (Turkey). Anac E., Kaya I., Tepe I. Session Organizer: E. Pannacci, J. Aibar

3. Evaluation of competitiveness of two red bean genotypes in response to different levels of nitrogen and weed pressure under deficit irrigation conditions. S. A. M. Modarres-Sanavy, S. Barmaki, E. Zand. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

4. Preliminary studies on chemical weed control in transplanted pepper (Capsicum frutescens). S. Lamptey, J. Ofosu-Anim and E. Blay. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

5. Solutions to the loss of active ingredients for weed control in field vegetable and fruit crops. J. Atwood, L.Tatnell, A. Richardson, C.Knott, T. O’Neill, A. Huckle. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

6. Allelopathic effects of mugwort (Artemisia vulgaris L.) on seed germination and growth of Sinapis alba L.; Triticum aestivum L. and Lolium multiflorum Lam. E. Pannacci; D. Pettorossi; L. Regni; F. Tei. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

7. Effect of manure compost enrichment with different amounts of zeolite on trifluralin efficacy in sunflower weed control under different irrigation regimes. M. Aghaalikhani, S.R. Yaghubi, M. Gholamhoseini and E. Jamshidi. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

8. Determination of alfalfa dodder (Cuscuta approximata Bab.) damage on alfalfa (Medicago sativa L.) grown in Van (Turkey). Anac E., Kaya I., Tepe I. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

9. Seed germination response of a variety of Algerian dodder to combined action of salinity and temperature. Bouchikh Y., Achour A., Boumia O. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain

10. Olive mill by-products suppress broomrape (Orobanche crenata Forsk) infection in common vetch. M. A. Turk, A.M. Tawaha. JOINT WORKSHOP OF THE EWRS WORKING GROUPS: Weed management in arid and semi-arid climate and Weed management systems in vegetables 4-8 September 2011 Huesca, Spain