Richard Seedling

Richard

black spots on white radish

growing white radishes -devlope black spots

Views: 1870 Replies: 1 Date: 2011-12-30T15:08:33.000Z
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  Pratylenchus

Pratylenchus

Re: black spots on white radish

I wonder, Richard, if your soil is infested with an  Aphanomyces sp., a water mold type of fungus? White radishes are supposed to be more susceptible than are red, globe type varieties. You might want to put a couple of the presumably infected roots in a plastic bag in your refrigerator. The fungus should grow out of the spots as a "fuzzy" growth if that is the cause. If that happens, consider sending infected roots to your state university's Plant Disease Clinic. Dave

2012-01-06T09:07:15.000Z

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