A signature of tree health? Shifts in the microbiome and the ecological drivers of horse chestnut bleeding canker disease

What is it about?

Understanding and predicting tree health requires the integration of numerous ecological factors, especially when hosts are targeted by multiple pests and pathogens. We show that the spread of bleeding canker disease in horse chestnut trees is unrelated to the spread of leaf mining moths, but is associated with changes in the bark-associated bacterial communities of host trees.

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