Grey mould development in greenhouse tomatoes under drip and furrow irrigation Kamel Aissat, Philippe C. Nicot, Abdelhadi Guechi, Marc Bardin and Mohamed Chibane Agron. Sustain. Dev., 28 3 (2008) 403-409 Published online: 03 June 2008 DOI: 10.1051/agro:2008016