2018 Crop Protection Guide for Tree Fruits in Washington

Nutrient Sprays

Tuesday, December 11, 2018

Nutrient: Dormant/Delayed-dormant

See General Recommendations for guidelines on table use. Read all product labels carefully.


 Zinc
deficiency
Zinc
maintenance
REIPHI

Product

Except where noted, rates are amount per acre (amount per 100 gallons in dilute sprays) 
basic zinc sulfate, dry, 50-52% Zn 16 lb (4 lb)6-12 lb (3 lb w/o oil)  
basic zinc sulfate, liquid, 20-25% Zn See label ( See label) See label ( See label)  
zinc chelate or organic complex See label ( See label) See label ( See label)  
zinc sulfate, dry, 36% Zn 40 lb (10 lb)6-12 lb (1.5-3 lb)  
zinc sulfate, liquid, 10-12% zinc 12 gal (3 gal)2-4 gal (0.5-1 gal)  

Zinc maintenance: Zinc sulfate: Dormant spray only. Dissolve in hot water before adding to spray tank. See precautions in text. Oil-free sprays are more effective. Follow manufacturer's recommendations for oil sprays. Basic zinc sulfate, zinc chelate/organic complex: Follow manufacturer's label for rates.


basic zinc sulfate, dry, 50-52% Zn: Apply without oil.


 

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