Armyworm will lay its eggs in rye and other grasses.  so will black 
cutworm.  When the rye is plowed under or mowed the larvae will move to 
whatever food they can find, which could be a newly planted corn field.  
Killing the rye a couple of weeks before planting should reduce the 
damage.  Both of these migrate into Michigan, so paying attention to 
Extension reports of moth flight could help you make management decisions.


Larry Dyer
1113 Klondike Ave.
Petoskey, MI 49770
231-881-2784 - cell
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On 1/30/2013 9:45 AM, Morrone, Vicki wrote:
> Hey field crop farmers-any probs with corn insects if you preceded the 
> crop with rye cover?
> Vicki Morrone
> Organic Farming Specialist
> Center For Regional Food Systems at MSU
> 480 Wilson Rd. Room 303
> East Lansing, MI 48824
> 517-353-3542/517-282-3557 (cell)
> [log in to unmask]
> From: Sarah Carlson <[log in to unmask] 
> <mailto:[log in to unmask]>>
> Reply-To: Sarah Carlson <[log in to unmask] 
> <mailto:[log in to unmask]>>
> Date: Tuesday, January 29, 2013 4:52 PM
> To: Mid council <[log in to unmask] <mailto:[log in to unmask]>>
> Subject: Winter Rye, Corn and Insects
> Who has had issues with corn insects in the spring following a winter 
> rye cover crop?
> What are solutions beyond in-furrow insecticide?
> ---a different cover crop?
> ---timing of termination?
> ---nitrogen application timing?
> ---tillage versus no tillage?
> ---a cover crop mix?
> ---corn genetics?
> Your thoughts would be appreciated.
> Thanks,
> Sarah
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