FORECAST SUMMARY : Tuesday, September 11:
*** Forecasts are abbreviated today (no individual source forecasts). A weather synopsis and risk assessments are given below, along with trajectories for the various source areas.
*** Disease Update - September 11: We have three new outbreaks to report. Steve Johnston reported an infection on cucumber in southern NJ on September 10. This small, non-serious outbreak is in Cumberland County in fungicide test plots at the Rutgers Agricultural Research and Extension Center. Also on September 10, Dan Egel reported an outbreak in a research plot at the Southwest Purdue Ag Center, in Vincennes, IN. A one-acre field of pumpkin is completely infected with downy mildew. He estimates that there will be few vines left in one week, with pumpkins very close to harvest. This morning, Sam Alexander, with the Eastern Shore AREC (Virginia Tech), reported an outbreak on pumpkin in Painter, VA, in southern Accomack County. The infection developed in a pumpkin disease research area. Trajectories for the southwest IN and extreme eastern VA sources are given below.
*** Disease Update - September 6: Our thanks to Stephen Vann in Arkansas.... who informs us of an outbreak of downy mildew in Clay County, in the northeast portion of the state. This moderately serious field infection is occurring on pumpkins. This source is added to today's forecasts.
*** Active weather during the middle of this week is occurring in and near the state of Florida..... where a pesky low pressure area is bringing copious rains to the region. High pressure governs the weather over the rest of the eastern U.S. Fair skies and dry conditions are expected Tuesday and Wednesday. There is Moderate Risk each day for southwest GA, western FL, and southern AL. Conditions will be unfavorable for disease development near the other known sources, with Low Risk to cucurbit crops Tuesday and Wednesday.
TK
Current Sources:
Previous Sources:
Immokalee, FL
El Campo, TX
Charleston, SC
This service is provided by the North Carolina State University departments of Plant Pathology and Marine, Earth, and Atmospheric Sciences.