Effects 2nd Trial 2014 Treatments same n o irrigation Irrigation 3X per wk over 2 wks Barricade chlorpyrifos Apply in fall 2013 assess infestation spring 2014 4 reps of 4 trees ID: 910627
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Slide1
Fig. 1: Peachtree borer control with beneficial nematodes: Irrigation Effects, 2nd Trial (2014)
Treatments (same): no irrigation, Irrigation (3X per wk over 2 wks), Barricade, chlorpyrifosApply in fall 2013, assess infestation spring 2014 (4 reps of 4 trees)Peach orchard, USDA-ARS, Byron, GA
Lack of irrigation = failNematodes with irrig or Barricade = suppression similar tochemical insecticide
Slide2Fig. 2: Peachtree borer control with beneficial nematodes: Effect of Application Method: Results (2 years combined)
All methods of nematode application suppressed infestation below the control and were similar to chlorpyrifos, except handgun treatment
Slide3Fig. 3: Field Trial Results 2014% live lesser peachtree borer
per woundOnly Sc + 2% Barricade (Barr) decreased survival (75% control); chlorpyrifos & full barricade rate was not separated from the control
; Sc = S. carpocapsae nematodes