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Crop Disease Rate per Acre
per 100 gal. of water

ppm’s (copper)
per 100 gal.of water



Walnut Blight
25.2 lb.2

32-51 oz.
7 days3

125-200 ppm
3.15 lb.1

Apply at first spray at early pre-bloom prior to or when catkins are partially expanded. Make additional applications during bloom and early nutlet stage or as needed when frequent rainfall or extended periods of moisture occur. Thorough coverage of catkins, leaves and nutlets if essential for effective control. NOTE: Adequate control may not be obtained when copper tolerant species of Xanthomonas bacteria are present.

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**