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https://docs.google.com/spreadsheets/d/17uQgLn3LOoePh7QMr2PV7Mq9LP94Ec-eiC8znbqJEog/edit#gid=0
Aphanomyces Root Rot in Alfalfa
by Dan Undersander and Paul Esker
Aphanomyces root rot (Aphanomyces euteiches) is an important alfalfa disease. It occurs all over the Midwest U.S. The pathogen that causes Aphanomyces root rot is an oomycetous fungi that are especially present in wet and poorly drained soils (Schneider et al. 2008).
Aphanomyces stunts and kills seedlings. Currently there are two dominant races, Race 1 and Race 2, with Race 2 considered more virulent. Infection of alfa