Root rot of peas in New Zealand caused byAphanomyces euteiches

摘要

Aphanomyces euteichesDrechsler is described in New Zealand for the first time. The fungus was isolated from 7 pea fields in parts of the Nelson and Canterbury districts. Characteristic symptoms and oospores of this pathogen were observed on peas grown in soil from 13 other fields during the 1977#x2013;79 seasons.