| spatiotemporal spread of cucurbit downy mildew in the eastern united states. | the dynamics of cucurbit downy mildew, caused by pseudoperonospora cubensis, in the eastern united states in 2008 and 2009 were investigated based on disease records collected in 24 states as part of the cucurbit downy mildew ipmpipe monitoring program. the mean season-long rate of temporal disease progress across the 2 years was 1.4 new cases per day. although cucurbit downy mildew was detected in mid-february and early march in southern florida, the disease progressed slowly during the spring ... | 2011 | 21117875 |