Disease Profile – Aphanomyces Root Rot of Alfalfa
Quinn Watson (Plant Pathology, UW-Madison), Damon L. Smith (Plant Pathology, UW-Madison/Extension)
Aphanomyces Root Rot (ARR) is a significant monocyclic seedling disease caused by the fungus-like plant pathogen, Aphanomyces euteiches. The disease afflicts a variety of legumes, including soybean, alfalfa, snap bean, faba bean, red kidney bean, red clover, and white clover, and causes a dramatic reduction in foliage and yields.
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