Control of Black Knot Requires Both Prevention and Sanitation. Prune out All Infected Branches in Late Winter (Late February Through the End of March) and Destroy Them by Burning, Burying, or Throwing Them Away. Remove at Least 3-4 Inches of Healthy Tissue Below Each Knot to Ensure Elimination of the Fungus.
How Do I Get Rid of Black Knots on My Plum Tree?
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★ Key Takeaways
Control of Black Knot Requires Both Prevention and Sanitation. Prune out All Infected Branches in Late Winter (Late February Through the End of March) and Destroy Them by Burning, Burying, or Throwing Them Away. Remove at Least 3-4 Inches of Healthy Tissue Below Each Knot to Ensure Elimination of the Fungus.
Direct Answer • Key Takeaway