(19)

(11)

EP 0 557 431 A1

(12)

(43) Date of publication: 01.09.1993 Bulletin 1993/35 (21) Application number: 92900735.0 (22) Date of filing: 14.11.1991

(51) International Patent Classification (IPC):  A01N 35/ 10( . ) A01N 63/ 02( . ) A01N 57/ 18( . ) A01N 63/ 04( . ) (86) International application number: PCT/US1991/008312 (87) International publication number: WO 1992/008357 (29.05.1992 Gazette 1992/12)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 16.11.1990 US 19900614118 (71) Applicant: CROP GENETICS INTERNATIONAL CORPORATION Hanover, MD 21076 (US)	(72) Inventors: CARLSON, Peter, S. Alexandria, VA 22308 (US) HERBST, Kathleen Arnold, MD 21012 (US) KOSTKA, Stanley, J. Silver Spring, MD 20901 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 D-80538 München D-80538 München (DE)