Fusarium solani f.sp. glycine
(source: purdue)
Spores of the SDS-pathogen: Left-Numerous macrospores like these make the blue stain that’s visible on the outside of soybean roots with severe SDS. Right-Chlamydospores are long-lasting and can survive in soil and plant debris.
From the LATimes... ... Farmers call this "sudden death syndrome," a plant disease that has plagued the country's