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Crop Disease Rate per Acre
per 100 gal. of water

ppm’s (copper)
per 100 gal.of water



Bacterial Canker

33-51.2 oz.

125-200 ppm

Make application before fall rains and a second application 4 weeks later. Use the higher rates when conditions favor disease.

Fruit Rot, Phomopsis
Twig Blight

8.4 lb.2

25.6-51.2 oz.

7 days3

100-200 ppm


Dormant Application: Begin applications when bloom buds begin to swell. Make additional applications at 10 to 14 day intervals or as needed before blooms open.

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**