Crop Disease Rate Per Acre

ppm’s (copper)
per 100 gal.of water


Wheat, Barley, Oats

Helminthosporium Spot Blotch, Septoria Leaf Blotch

1.06 lb.2

19.2-25.6 oz.

10 days3

75-100 ppm



Make first application at early heading and follow with second spray 10 days later. Use the higher rates when conditions favor disease.

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