The most notable situation concerning late blight recently in the USA was the tomato late blight pandemic in the summer of 2009. It made late blight into a household term in much of eastern USA. Many home gardeners, and many organic producers lost most if not all of their tomato crop. Some CSAs (Community Supported Agriculture) could not provide tomatoes to their members. In response, many questions emerged: How did it happen? What was unusual about this event compared to previous late blight epidemics? What is the current situation in 2012 and what can be done?

Update: How to Control Potato Late Blight by Using Fungicides Correctly | Using a new tool, small-scale farmers can now know what kind of fungicide to use and when and how often to apply it. More at https://bit.ly/2ErG4UQ

William E. Fry. Late blight situation in USA and trends of pathogen’s population and control. In: XXV Congreso de la Asociación Latinoamericana de la Papa (ALAP), Uberlandia, Brasil, 17-21 de septiembre de 2012.

This material is provided with permission of Dr. Fry.

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