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Laurel Wilt Disease Threatens Sassafras

Ambrosia Beetle‑Vectored Fungus

The non‑native redbay ambrosia beetle carries a fungus that kills sassafras, redbay, and avocado. Limited evidence suggests trunk sprays of bifenthrin or permethrin in early spring may protect specimen trees. A stark example of global trade introducing devastating pests.

About Gardening: Ash Tree Marginal Scorch: Root Stress, Not Disease; Diagnosing Lilac Decline: Root Rot and Herbicide Injury; Saving a Dying Palm Tree: Identifying and Treating Trunk Rot; Plum Tree Leaf Curl and Eggs: Beneficial vs. Pest Identification; Tulip Tree Troubles: Sapsucker Damage and Basal Decay; Pecan Tree Nut Problems: Weevils, Scab, and Spray Schedule; Kwanzan Cherry Oozing Sap: Bacterial Canker or Mechanical Injury?; Planting Apple Trees in Quebec: Buying vs. Growing from Seed; Propagating Sassafras via Root Suckers; Memorial Trees: Symbols of Strength and Beauty for a Loved One

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Plants

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