Botanic Garden >> Gardening > >> Question and Answer >> Plant Species >> Shrubs

Treating Photinia Leaf Spot: Early Fungicide Application Is Key

Same Disease, Same Protocol

Brown spots on Photinia = Entomosporium leaf spot. Early, repeated fungicide application is the only effective control.

Recommended Fungicides (per NC State)

Banner (propiconazole)
Daconil 2787 (chlorothalonil)
Fore 80W (mancozeb)
Bayeleton 25W (triadimefon)
Funginex EC (triforine)

Schedule

Start at bud break in spring.
Spray every 10-14 days until mid-June.
Resume in fall (mid-Oct to late Nov) if wet.
Stop during hot, dry periods.

Always follow label rates. Clean up fallen leaves religiously.

Shrubs: Red Tip Photinia Entomosporium Leaf Spot: Preventive Fungicide Program; Red Tip Photinia Trunk Damage: Borers, Cankers, or Something Else?; Powdery Mildew on Zucchini: Lime Sulfur or Copper Soap; Saving Red Tip Photinias from Drowning in Heavy Irrigation; Boxwood Phytophthora Root Rot: Subdue Fungicide Timing; Gradual Renovation Pruning for Overgrown Red Tip Photinia; Saving a Photinia Hedge from Leaf Spot: Fungicide Timing & Cultural Fixes; Red Thread in Long Island Lawn: Resistant Varieties & Fungicide Options; Japanese Photinia: Glossy Evergreen with Bronze New Growth; Red Tip Photinia Producing Berries: Unusual but Documented

Garden Articles

Photinia (Red Tip) Entomosporium Leaf Spot: Severe Disease Management

Diagnosing Yellowing Red Tip Photinia: Nitrogen, Iron, or pH?

Troubleshooting Chlorosis and Leaf Spot in Red Tip Photinia

Red Tip Photinia Growth Rate and Pruning for Privacy Screen

Leaf Drop on Mature Photinia 'Red Robin' – Salt Damage Suspected

Managing Dual Disease Issues in Photinia 'Red Robin'

Killing Red Tip Shrub Roots Permanently with Herbicide

Plants

Red Maple Limb Failure and Internal Decay

Diagnosing Red Maple Decline: White Spots, Shriveling Leaves, and Fungus

Photinia Leaf Spot: Fungal Disease Requiring Ongoing Management

Managing Entomosporium Leaf Spot on Red Tip Photinia

Red Thread Disease in Louisiana Lawns

Red Blotch (Leaf Blotch) on Houseplants: A Cosmetic Fungal Issue

Pruning Red Tip Photinia: Avoid Shearing to Prevent Leaf Spot

Copyright © www.100flowers.win Botanic Garden All Rights Reserved