Hessian Fly In Wheat - PowerPoint PPT Presentation

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Hessian Fly In Wheat

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... fly larvae. 2nd stage (L) and 3 stage (R) Hessian fly puparia. Hessian fly ... Early spring Hessian fly control. with insecticide in fall infested wheat ... – PowerPoint PPT presentation

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Title: Hessian Fly In Wheat


1
Hessian Fly In Wheat
Fly damaged plants and/or tillers
2
Adult Hessian fly
3
Hessian fly eggs
4
Hessian fly larvae 2nd stage (L) and 3 stage (R)
5
Hessian fly puparia
6
Hessian fly puparia
7
Pupal cases (7) from emerged Hessian flies
8
Hessian fly eggs
9
Planting Date Test
Treatment Larvae
Infestation
  • Oct. 19 16.0 60
  • Oct. 26 0.5 25
  • Nov. 2 0.0 0.0
  • Nov. 16 0.0 0.0

planting date per 10 plants on 12/11
10
Early spring Hessian fly control with
insecticide in fall infested wheat
  • Treatments Eggs/10 leaves HF/5
    plants Bu/acre
  • Warrior_at_2.6 oz 12.3 c 41.2 c
    48.2 a
  • Warrior_at_ 3.8 oz 5.0 c 23.3 c 56.7 a
  • Warrior_at_2.6 oz 2X 8.0 c 16.2 c 58.1 a
  • Untreated 32.3 b 131.8
    a 17.7 b

Sprayed 3/13 on 3/20 on 4/6
JVD
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