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Related images: Spring Blackstem Leaf symptoms of spring black stem Stem symptoms of spring black stem Spring black stem lesion on petiole
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Entomology Image Gallery > Plant Diseases and Damage > Alfalfa > Spring Blackstem
Leaf symptoms of spring black stem
Leaf symptoms of spring black stem.
This image appears in the following articles:
Spring alfalfa diseases in 2002 (May, 2002)Spring alfalfa leaf diseases in 2001 (April, 2001)
Alfalfa leaf diseases appearing (May, 1999)
Alfalfa leaf diseases reported (May, 1998)
Alfalfa leaf diseases update (May, 1997)