The cultivation of spinach (Spinacia oleracea L.), a popular and nutritious vegetable, is majorly threatened by the downy mildew disease. This disease is caused by the host-specific pathogen Peronospora effusa, which has evolved into 19 distinct races.
Click here for original story, Elucidating the genetic basis of downy mildew resistance in spinach with skim resequencing: RPF2 and RPF3 loci
Source: Phys.org