(19)

(11)

EP 2 424 969 A1

(12)

(43) Date of publication: 07.03.2012 Bulletin 2012/10 (21) Application number: 10718731.2 (22) Date of filing: 28.04.2010

(51) International Patent Classification (IPC):  C12M 1/107(2006.01) (86) International application number: PCT/NL2010/050246 (87) International publication number: WO 2010/126366 (04.11.2010 Gazette 2010/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 28.04.2009 EP 09158940 (71) Applicant: Stichting Dienst Landbouwkundig Onderzoek 6701 BH Wageningen (NL)	(72) Inventors: ANDRÉ, Gerrit NL-8251 VZ Dronten (NL) TIMMERMAN, Maikel NL-3833 BJ Leusden (NL) VAN RIEL, Johannes Wilhelmus NL-6961 PB Eerbeek (NL) (74) Representative: Jansen, Cornelis Marinus et al VEREENIGDE Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)