Preface / S. Compant and F. Mathieu -- Major Biocontrol Studies and Measures Against Fungal and Oomycete Pathogens of Grapevine / A. Zanzotto and M. Morroni -- Grapevine Endophytes and Plant Health : A Culture-Independent Approach / S. Yousaf, M. Anees and A. Campisano -- Ecology and Function of Grape-Associated Microorganisms with a Special Focus on Biocontrol of Botrytis cinerea / M. Cardinale and G. Berg -- Beneficial Bacteria Prime Local and Systemic Immunity Against Botrytis cinerea in Grapevine / A. Aziz, B. Verhagen, S. Villaume, M. H鑟fte, F. Baillieul, C. Cl鈋ment and P. Trotel-Aziz -- Potential of Two Bacillus Antagonists for Biocontrol of Grey Mould / S. Ben-Maachia, R. Errakhi, F. Mathieu and A. Lebrihi -- Isolation and Characterization of Antibiotics Produced by Streptomyces J-2 and their Role in Biocontrol of Plant Diseases, Especially Grey Mould / R. Errakhi, F. Bouteau, M. Barakate and A. Lebrihi -- Use of Saccharothrix algeriensis NRRL B-24137 to control Botrytis cinerea? / S. Muzammil, R. Saria, Z. Yu, C. Graillon, F. Mathieu, A. Lebrihi and S. Compant -- DOPE-FISH, a Tool to Visualize Beneficial Bacteria Systemically Controlling Botrytis cinerea? / S. Compant, S. Muzammil and F. Mathieu -- Endophytic Fungi in Asymptomatic Vitis vinifera L. and their Effects on Plasmopara viticola / S. Burruano, V. Mondello and G. Conigliaro -- Enhancing the Aggressiveness of the Powdery Mildew Mycoparasite Ampelomyces quisqualis / D. Angeli, S. Micheli, M. Maurhofer and I. Pertot -- Protection of Grapevines by Pythium oligandrum Strains Isolated from Bordeaux Vineyards Against Powdery Mildew / J. Gerbore, E. Bruez, J. Vallance, D. Grizard, C. Regnault-Roger and P. Rey -- Bioactive Natural Products for Managing Downy Mildew Disease in Grapevine / M.T. Islam -- Biological Control of Grape Canker Pathogens / L. Costadone and W.D. Gubler -- Esquive WP Limits Development of Grapevine Trunk Diseases and Safeguards the Production Potential of Vineyards / E. Mounier, F. Boulisset, F. Cortes, M. Cadiou, P. Dubournet and E. Pajot -- A Model for Biological Control Studies of Grapevine Trunk Diseases Under Laboratory Conditions / R.J.G. Pierron, J. Pouzoulet, A. Meziane, N. Mailhac and A. Jacques -- Detection of Bacterial Endophytes in Vitis vinifera L. and Antibiotic Activity Against Grapevine Fungal Pathogens / S. Lo Piccolo, A. Alfonzo, S. Burruano and G. Moschetti -- Impact of Grapevine Preharvest Treatments with Elicitor on the Occurrence and Toxigenesis of Ochratoxinogenic Fungi / C. Dachoupakan, C. Strub, V. Martinez, J.-C. Baccou and S. Schorr-Galindo -- An Experimental Approach to Understanding Grapevine Yellows Associated with Phytoplasma Infections / G. Brader, S. Compant, H. Gangl and A. Sessitsch -- Endophytic Bacteria Associated with Grapevine Plants : Putative Candidates for Phytoplasma Containment / D. Bulgari, P. Casati, F. Quaglino and P.A. Bianco -- Conclusions / S. Compant and F. Mathieu.