(19)

(11)

EP 0 865 494 A1

(12)

(43) Date of publication: 23.09.1998 Bulletin 1998/39 (21) Application number: 96941121.0 (22) Date of filing: 04.12.1996

(51) International Patent Classification (IPC):  A01H 5/ 00( . ) C12N 9/ 10( . ) C12N 15/ 82( . ) C12N 5/ 10( . ) C12N 15/ 09( . ) (86) International application number: PCT/GB1996/002990 (87) International publication number: WO 1997/020936 (12.06.1997 Gazette 1997/25)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 06.12.1995 GB 19950024938 (71) Applicant: ZENECA LIMITED London W1Y 6LN (GB)	(72) Inventors: KEELING, Peter, Lewis ExSeed Genetics Ames, IA 50011-1061 (US) KNIGHT, Mary, Elizabeth Crowthorne Berkshire RG11 6TZ (GB) (74) Representative: Huskisson, Frank Mackie, et al  Intellectual Property Department, ZENECA AGrochemicals, Jealott's Hill Research Station, P.O. Box 3538 Bracknell, Berkshire RG42 6YA Bracknell, Berkshire RG42 6YA (GB)