Crop | Disease | Rate Per Acre |
ppm’s (copper) |
Instructions |
Potato |
Early Blight, Late Blight 25 lb.2 |
19.2-32 oz. 5 days3 |
75-125 ppm 2.5lb1
|
Apply 75 to 125 ppm at 7 to10 day intervals or as needed starting when plants are 2 to 6 inches high in locations where disease is light. Add up to 32 oz. per acre when disease is more severe. |
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**