16 Bradford pears have lines of bored holes on trunks. Owner concerned about cause and treatment.
Holes in a line around trunk are made by sapsuckers. Birds drill holes, sap flows, insects feed on sap, birds return to eat insects. Does not harm the tree.
Spray trunk where holes appear with common insecticide (malathion, Sevin, or home defense spray) to eliminate insect attraction. Birds will leave.
Bradford Pear Trunk Fungus: Remove and Spray Neem
Bradford Pear Decline: Slime Flux or Borers?
Fire Blight vs. Mechanical Damage in Cleveland Bradford Pear
Powdery Mildew on Bradford Pear: Identification and Fungicide Options
Saving Bradford Pear Trees from Decline: Fungus, Bacteria, and Systemic Solutions
Cedar Spruce Sap Sucker Damage: Bird-Caused Holes Misidentified as Borers
Bradford Pear Spring Leaf Curl: Environmental Shock, Not Pathogen
Don't Buy "New Bradford" Pears: Choose Seedless Maples or Other Ornamentals
Bradford Pear Decline: Natural Lifespan, Not Pine Competition
Bradford Pear Root Depth and Spread Explained
Thinning Bradford Pear: Fertilize for Vigor
Bradford Pear Fruit: Inedible, Not a Wildlife Magnet
Concentric Rings of Holes in Bradford Pear: Classic Sapsucker Work
Copyright © www.100flowers.win Botanic Garden All Rights Reserved