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Do my roses have the witches broom disease?! - Ask Extension

Hello, we have rose bushes that are 4 years old. They started blooming late May this year and we are concerned at the appearance of deformed rose buds...

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.