Control area:     CBF-2606 not applied.
Test Area 1:       CBF-2606 applied at seeding.
Test Area 2:       CBF-2606 applied at seeding & 69 days later.

 POTATO SPECIES
Hokkaikogane seed tuber
Konafubuki seed tuber

TILLAGE AREA
Control Area:    (Species) Hokkaikogane - 10,000m³ - No preceding crop.
Test Area 1:      (Species) Konafubuki  - 13,000m³  - Preceding crop: Beans
Test Area 2:      (Species) Hokkaikogane - 13,000m³ - Preceding crop: Beans

SEEDING DATES
Control Area:       April 23, 2003
Test Area 1:         April 24, 2003
Test Area 2:         April 23, 2003

APPLICATION DATES & METHODS
Test Area 1: June 6, 2003
CBF-2606 was diluted at a rate of 1:2000 and applied once at a rate of 800 Litres diluted solution/Acre. 

Test Area 2:    June 6, 2003
CBF-2606 was diluted at a rate of 1:2000 in water and applied twice at a rate of 800 Litres diluted solution/Acre.

First application: April 23, 2003
Second application: June 30, 2003

OBSERVATIONS 90 DAYS AFTER SEEDING (July 20/03)
Control Area:
Scab was confirmed in the whole field

Test Area 1:
Scab was confirmed in part of the field

Test Area 2:
No scab observed

OBSERVATIONS AT HARVEST
Control Area:
Harvest Date:  August 25 thru August 27
Scab Infection Rate: 90%

Test Area 1
Harvest Date: August 30 thru August 31
Scab Infection Rate: 30%

Test Area 2
Harvest Date: August 25 thru August 27
Scab Infection Rate: 0.0%