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Boxwood Hedge Phytophthora: Subdue Maxx Soil Drench

Diagnosis

1/3 of 15-year hedge rusty orange = Phytophthora canker (crown/root rot).

Treatment

Soil drench with Subdue Maxx (mefenoxam) fungicide.
Check local nursery for available fungicides.

Shrubs: Ficus Hedge Troubles: Leaf Drop, Brown Patches, and Whitefly Solutions; Hedge Dead Leaf Groups: Fungal Dieback, Fungicide and Pruning; Basil Seedling Leaf Crinkling: Light, Heat, Airflow, Fertilizer; Treating Ivy Fungal Dieback in a Lawn; Reviving a Neglected Hedge: A Multi-Year Renovation Plan; Photinia Leaf Spot: Fungal Management Plan; Will a Privet Hedge 4 Feet from the House Damage the Foundation?; Comprehensive Photinia Hedge Rehabilitation Program; Renovating an Overgrown, Neglected Cedar Hedge; The Hedge at UGA: Chinese Privet (Ligustrum sinense)

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