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Heath from Fresno writes

Can Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide be used on field corn to fight insects and disease such as corn leaf blight and grey leaf spot at the same time?

Answer:

Ultra-Pure Oil Horticultural Insecticide, Miticide and Fungicide is a great product to treat labeled insects and diseases, however, this product is not labeled for grey leaf spot or blight. Please be sure to review the pests controlled on corn on page 14 of the product label and complete application instructions.  Oxidate 2.0 Broad Spectrum Bactericide / Fungicide for use on field corn for a variety of diseases and does list certain blights however does not list grey leaf spot for field corn. View page 5 of the product label for the full list of diseases this will treat on field corn.  Please contact your local Dept of Agriculture for their recommendation on fungicides that would be successful for your treatment. 

Answer last updated on: 09/10/2021

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