A New Botrytis Species and Fungicide Resistance in Botrytis cinerea

The control of gray mold of small fruits, including blackberry, is caused primarily by Botrytis cinerea in commercial fields and is largely based on fungicide applications. The high risk of fungicide resistance development due to the single-site modes of action of many fungicides combined with the extraordinary genetic diversity of B. cinerea encouraged us to survey populations in South Carolina and neighboring states. A new species, Botrytis caroliniana, as well as the fungicide resistance profile and molecular resistant mechanism was discovered and described in this book.