hessian fly in wheat fly damaged plants and/or tillers
Post on 16-Dec-2015
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Hessian Fly In Wheat
Fly damaged plants and/or tillers
Adult Hessian fly
Hessian fly eggs
Hessian fly larvae 2nd stage (L) and 3 stage (R)
Hessian fly puparia
Hessian fly puparia
Pupal cases (7) from emerged Hessian flies
Hessian fly eggs
Planting Date TestPlanting Date Test
• Oct. 19 16.0 60• Oct. 26 0.5 25• Nov. 2 0.0 0.0• Nov. 16 0.0 0.0
Treatment* Larvae** % Infestation
* planting date ** per 10 plants on 12/11
Early spring Hessian fly control with insecticide in fall infested
wheat
Early spring Hessian fly control with insecticide in fall infested
wheat
Treatments* Eggs/10 leaves** HF/5 plants*** Bu/acre
• Warrior@2.6 oz 12.3 c 41.2 c 48.2 a
• Warrior@ 3.8 oz 5.0 c 23.3 c 56.7 a
• Warrior@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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