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Susan from Dracut, Ma writes

Can Monterey Garden Phos Systemic Fungicide be applied to the trunk of a 30+ yr old Crabapple tree to treat for black spot?

I assume that applying as a control through the roots means applying along the tree's drip line. Can this product be applied through the trunk? Spray? Injection? If injection, how? And what is the best time to apply? Thank you.

Answer:

Monterey Garden Phos Systemic Fungicide can be used as a basal bark application or by injection. If you are interested in the injection application you would need to contact an arborist to do so or advise you on how to do so. Times of application vary depending on what application is being done and also when problem is present. 

Answer last updated on: 08/17/2021

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Monterey Garden Phos Systemic Fungicide

Monterey Garden Phos Systemic Fungicide

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