Small Horticultural Farm: Pest and Disease Identification Key
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Small Horticultural Farm: Pest and Disease Identification Key
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RADISH
ROOT PROBLEMS.
Cause:
Black Root (Aphanomyces raphani), a fungal disease which causes the radish skin
to turn purple or black in a single area. As the infection progresses, the entire
root may be girdled.
Treatment: Avoid warm weather plantings, and storage conditions.
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