El Nino-Southern Oscillation (ENSO) effects on Hessian fly infestation in the Southeastern USA

Tuesday, March 4, 2014
Embassy Ballroom Prefunction (Embassy Suites Greenville Golf & Conference Center)
Prem Woli , Crop, Soil, & Environmental Sciences, Auburn University, Auburn, AL
Brenda Ortiz , Crop, Soil, & Environmental Sciences, Auburn University, Auburn, AL
G. David Buntin , Entomology, University of Georgia, Griffin, GA
Kathy Flanders , Dept. of Entomology & Plant Pathology, Auburn University, Auburn, AL
The Hessisn fly, Mayetiola destructor, is a serve pest of witner wheat in the Southern United States.  Using 26 years Hessain fly infestation records from two locations in Gerogia were used to examine the relationship between the Southern oscillation (ENSO) weather and fly infestation levels.  Hessian fly infestations were lower during El Nino than other phases of ENSO.  The impact of Hessian fly damage on yield loss of winter wheat tended to be larger in La Nina than other phases of ENSO.
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