Phytophthora sojae and P. sansomeana have the potential to rob yield from Michigan soybean producers. It has been twenty years (1993-1997) since a detailed survey has been conducted for the Phytophthora sojae pathotypes (races) present in Michigan. I often receive questions from growers and seed dealers regarding which Rps resistance genes and trait packages should be used for Phytophthora stem and root rot management. This survey of pathotypes and examination of management practices (seed treatments and resistance packages) will enable us to provide up-to-date information to Michigan soybean farmers. Phytophthora sansomeana is a newly described species that can cause disease on soybean,...
Unique Keywords:
#soybean diseases