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market-farming - Re: [Market-farming] BT sweet corn

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  • From: Bill Shoemaker <wshoemak AT illinois.edu>
  • To: "Market Farming" <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] BT sweet corn
  • Date: Tue, 26 Jan 2010 07:30:39 -0600 (CST)

Unfortunately, there isn't a direct link between heat unit development and
corn earworm egg-laying because the bulk of the population comes from storms
that bring them up from the south. The heat unit accumulation does have other
values though and are worth correlating to the crop development and timing
succession plantings. I'm pretty sure Purdue's fruiit and vegetable
specialists publish some info during the growing season. You might want to
look up Dr. Liz Maynard and contact her to see what's available. She's a
great resource for Indiana vegetable growers, including organic producers.

Bill



> It may make sense to ask the extension agent whether
> Indiana tracks and puts online info on accumulated
> growing degree days for any sites near you, and
> whether/how to use that to time your planting to try
> to miss the ear worms ( at least for doing a
> midseason planting).
>
> Chris/Connecticut
William H Shoemaker, UI-Crop Sciences
Sr Research Specialist, Food Crops
St Charles Horticulture Research Center
535 Randall Road St Charles, IL 60174
630-584-7254; FAX-584-4610




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