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Do we need foliar fungicides to increase corn yield?

Last Updated: May 18, 2009

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In general, the use of foliar fungicides is recommended when foliar disease pressure is expected to be high. Conditions that favor foliar diseases in corn include continuous corn, no-till conditions, and susceptible hybrids. Fungicides are less likely to provide a benefit under these conditions:
• Corn does not follow corn,
• Fields are tilled, and/or
• Hybrids have tolerance to disease.

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