Anthracnose- Common disease caused
by Colletotrichum lagenarium. Causes
black brown spots on leafs and fruits. In wet weather orange pink spores
take over the center of larger leaf spots. If dry, the spots turn gray. Avoid
soaking the seed and a minimum 5 year rotation is recommended.
Fusarium Wilt- Fusarium Wilt is
soil born. It will wilt and die within several days. If you dig the soil around
the plant you'll find the crown of the root rotted. The spores are white to
pink.
Get rid of damaged plants and fruits immediately and have at least a 4 year
rotation.
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Gummy Stem Blight- Gummy Stem Blight is
caused by seed born fungus Didymella
bryoniae. Symptoms can be found
on all parts of the plant except the roots. In the leaf lesions will appear
that vary from dark yellow or reddish brown. If exposed to extended periods of
rain the plants may collapse. Only the usual prevention strategies will work.
3-4 year crop rotation, clean equipment, etc.
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