Downy mildew confirmed on cucumbers in Gratiot County July 11
Mary Hausbeck<hausbec1@msu.edu>, Michigan State University Extension, Depart of Plant, Soil and Microbial Sciences -
Continue your downy mildew spray program as advised on July 2, 2014.
Downy mildew was confirmed on commercial cucumbers from Gratiot County today, July 11, 2014. Growers are advised to continue their downy mildew spray program. The map of confirmed downy mildew reports by county and daily spore counts can be found at www.veggies.msu.edu along with other news and information. For more information on spray programs, see the Michigan State University Extension article “Downy mildew watch: Fungicides recommended for cucumber disease control.”
Left, Downy mildew symptoms on a cucumber leaf. Right, Downy mildew spores on stalks (sporangiophores) growing from infected cucumber leaf.
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