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Rachael Boyle, Phillips-Rooks District Extension Agent Agriculture and Natural Resources

Tue, 09/01/2020 - 21:08
  I have had a number of contacts regarding lilacs that were virtually defoliated with leaves showing many spots on the leaves and browning leaves. Cercospora leaf spot appears to be the cause. This is one of those diseases that only shows up during wet, humid summers. Though the shrubs look bad,…

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