Macadamia

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Crop Disease Rate per Acre
per 100 gal. of water

ppm’s (copper)
per 100 gal.of water

 Instructions

Macadamia*

Anthracnose

38.4-64 oz.

150-250 ppm

Initiate sprays at first sign of flowering and repeat on a weekly schedule until just before harvest. Apply in sufficient water for thorough coverage. Use the higher rates for severe disease.

Phytophthora Blight (P. capsici), Raceme Blight (Botrytis cinerea)

9.44 lb.2

38.4-64 oz.

7 Days3

150-250 ppm

2.63 lb.1

Apply during raceme development and bloom periods. Apply in sufficient water for thorough coverage. Use the higher rates when conditions favor disease.

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**