Crop Disease Rate per Acre
per 100 gal. of water

ppm’s (copper)
per 100 gal.of water



Anthracnose, Blossom Blast, European Canker (Necria), Shoot Blast (Pseudomonas)

51.2-64 oz.

200-250 ppm

Apply before fall rains. Use the higher rates when conditions favor disease.
NOTE: Use on yellow varieties may cause discoloration. To avoid discoloration, pick before spraying.

Apple Scab, Fire Blight

19.2-64 oz.

75-250 ppm

Make application between silver-tip and green-tip. Apply as a full cover spray for early season disease suppression.
NOTE: Moderate to severe crop injury may occur from late application.

Apple Scab

Fire Blight

19.2-64 oz.

75-250 ppm

Extended spray schedule where fruit finish is not a concern: Continued applications may be made at 5 to 7 day intervals or as needed.
NOTE: Moderate to severe crop injury may result from this extended spray schedule. It is not intended for fresh market apples or for apples where fruit finish is a concern as it is likely to cause fruit russetting.

Collar Rot, Crown Rot

16.0 lb.2

32 oz.

n/a (only 1application
per season permited3

5 days3

125 ppm

Fall, later dormant
6.0 lb¹

0.5 lb.1

Mix 100 gallons of water. Apply 4 gallons of solution as a drench on the lower trunk area of each tree. Apply in early spring or in fall after harvest for best results. Do not apply to foliage or fruit.

1Maximum per Application Rate (lbs Cu2+/A)
2Maximum Annual Rate (lbs Cu2+/A)
3Minimun Retreatment Rate (lbs Cu2+/A)
*Not Permitted in California
Permitted only in Washington State and Oregon**