Seed treatment of canola (Brassica napus) with the endomycorrhizal fungus Piriformospora indica does not reduce clubroot

A Basidiomycota endomycorrhizal fungus, Piriformospora indica Verma, colonizes and promotes the growth of canola (Brassica napus L.) other Brassica crops can reduce diseases crops. Clubroot is an important disease caused by obligate, soil-borne pathogen Plasmodiophora brassicae Woronin. The effect P. on clubroot severity in was assessed replicated room studies. Seed treated with using a proprietary process. Microscopic observation confirmed that roots grown from seed were colonized indica; however, did not consistently promote canola.