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Soybean rust update and forecast

No new positive samples for SBR have been reported since August 9 in Arkansas.  According to Mississippi extension plant pathologists, SBR has not been found on the Mississippi side of the Mississippi River.  This area would be adjacent to fields positive for SBR reported earlier this month in Arkansas.   Based on the weather forecast and distribution of SBR across the Gulf Coast States, SBR will likely increase in activity in the southeastern US.  For Arkansas, the risk seems to remain in the southeastern corner of the state; however, this area is in a moderate drought, along with Louisiana and parts of Mississippi, which will minimize sporulation and rust development.  The majority of Arkansas is in a “wait” area;  please see the full report for August 18, 2013 here.  Consultants and producers should continue to watch for updates.


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