Host-parasite Interaction
A study indicates that A. euteiches abundance is less severe when the infected plant also has significant mycorrhizal development. Mycorrhizal development can be decreased by management practices, excessive use of nitrogen and phosphorus fertilizer, and repeated tillage.
An alfalfa, there is evidence that another interaction can occur between A. euteiches and P. medicaginis, another important alfalfa pathogen which causes Phytophthera root rot. In this case, colonization by A. euteiches may make it more difficult for P. medicaginis to take hold.
Read more about this topic: Aphanomyces Euteiches F.sp. Pisi
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