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 Botanic Garden >> Gardening >  >> Question and Answer >> Pests

Peach Tree Sap & Scab: Horticultural Oil + Spray Program

Question: Sap at peach tree base (borers?). Bark scabs. Safe treatments?

Answer: Two-Step Organic Approach

Step 1: Light Horticultural Oil

  • Destroys insects & eggs
  • Many season-long formulations available
  • Garden centers carry them

Step 2: All-Purpose Spray (10 Days Later)

  • Combined fungicide + insecticide
  • Regular schedule through season
  • Available at garden centers

Organic Sources

Pests
Identifying Caterpillar-Like Pests on Meyer Lemon: Bt and Hand Removal
Peach Tree Borers: Gummy Sap and Grubs at Base
Peach Tree Amber Resin: Borer Infestation
Sawdust Threads on Oak Tree: Wood Borers or Caterpillar Frass—Diagnosis Steps
Peach Tree Worms: Plum Curculio or Oriental Fruit Moth?
Identifying a Peach Seedling: What to Look For
What Do Peach Seedlings Look Like? Identifying Early Growth
Why Your Sycamore Trees Aren't Producing Seeds or Fruit
Identifying and Treating Scale on Aspen Trees
Remove Green Sucker from Grafted Patio Peach Tree
Garden Articles

Meyer Lemon Fruit Fungus: Cross-Pollination and Atomic Grow

Peach Fruit Borer: Early Season Infestation Management

Meyer Lemon Immediate Fruit Yellowing: Post-Bloom Fruit Drop

Gray Marshmallow Masses on Tree: Harmless Lichens

Nectarine/Plum Roots and Pool Safety; Sucker Management

Container Peach Tree Transplanting: Timing and Site Requirements

Pest Concerns for Corkscrew Willows Near a Deck

Plants

Ash/Hickory Leaf Spot: Fungal Disease Management and Tree Identification

Black Knot Disease on Prunus (Plum/Cherry): Hard Black Galls on Branches—Prune or Remove Tree

Young Orange Tree with Dead Limbs and Sap: Scale or Aphids Likely

Pink Dawn Viburnum Leaf Spots and No Flowers: Insect Damage and Cold Buds

Pest on Meyer Lemon: Scale or Mites? Switch from Oil to Botanicals

Burrowing Pests in New Plantings: Moles Then Voles

What’s Eating Impatiens at the Base? Beyond Slugs

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