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Ckwong from Kirkland,wa writes

What concentration to use for powdery mildew on Magnolia tree leaves?

Answer:

Bonide Liquid Copper Fungicide Concentrate is applied at the rate of 1.08 fl oz per gallon of water for powdery mildew for ornamentals.

Answer last updated on: 07/09/2019

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5 of 6 people found this answer helpful.

Bonide Liquid Copper Fungicide Concentrate

Bonide Liquid Copper Fungicide Concentrate

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$31.00

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