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The foliage on my spinach plants in Texas has developed a bluish-gray material underneath the leaf. The leaves dried quickly.

Last Updated: June 11, 2011

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This is blue mold of spinach caused by a fungus (Peronospora effusa). The Bloomsdale varieties are very susceptible and should not be grown in the South.

Browse related Faqs by tag: horticulture, texas, plant diseases and disorders, vegetables and herbs, spinach, disease issues, downy mildew, editready, peronospora effusa, blue mold


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