(19)

(11)

EP 0 846 179 A2

(12)

(43) Date of publication: 10.06.1998 Bulletin 1998/24 (21) Application number: 96925889.0 (22) Date of filing: 29.07.1996

(51) International Patent Classification (IPC):  A01H 5/ 00( . ) C12N 5/ 10( . ) C12N 15/ 09( . ) C12R 1/ 07( . ) A01N 63/ 02( . ) C12N 15/ 00( . ) C12N 15/ 82( . ) (86) International application number: PCT/GB1996/001846 (87) International publication number: WO 1997/006268 (20.02.1997 Gazette 1997/09)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.08.1995 GB 19950016241 (71) Applicant: ZENECA LIMITED London W1Y 6LN (GB)	(72) Inventors: JEPSON, Ian Maidenhead Berkshire SL6 7LY (GB) PAINE, Jacqueline, Ann, Mary Bracknell Berkshire RG12 0TQ (GB) (74) Representative: Kent, Lindsey Ruth, et al  ZENECA Agrochemicals Intellectual Property Dept., Jealott's Hill Research Station, P.O. Box 3538 Bracknell, Berkshire RG42 6YA Bracknell, Berkshire RG42 6YA (GB)