(19)
(11) EP 1 303 749 A2

(12)

(88) Date of publication A3:
01.08.2002

(43) Date of publication:
23.04.2003 Bulletin 2003/17

(21) Application number: 01959077.7

(22) Date of filing: 20.07.2001
(51) International Patent Classification (IPC)7G01N 21/64
(86) International application number:
PCT/US0122/932
(87) International publication number:
WO 0200/8734 (31.01.2002 Gazette 2002/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 26.07.2000 US 220933 P

(71) Applicant: E. I. du Pont de Nemours and Company
Wilmington, DE 19805 (US)

(72) Inventors:
  • ANDERSON, Shawn, Louise
    West Grove, PA 19390 (US)
  • LU, Kathleen, Ann
    Newark, DE 19702 (US)

(74) Representative: Beacham, Annabel Rose 
Frank B. Dehn & Co.,European Patent Attorneys,179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) METHODS USING LIGHT EMISSION FOR DETERMINING THE EFFECTIVENESS OF PLANT TREATMENT AGENTS IN CONTROLLING PLANT DISEASE ORGANISMS