Groundnut eyespot virus, a new member of the potyvirus group

A virus causing 'eyespot' leaf symptoms in groundnut plants was transmitted by sap-inoculation and by #Aphis craccivora# in the non-persistent manner. It infected 16 of 72 species from five of 12 families and was easily propagated in #Arachis hypogaea# and #Physalis floridana#. The virus has particles c. 13 x 755 nm and is serologically closely related to soybean mosaic and pepper veinal mottle viruses, and more distantly to four other potyviruses. The virus differs in host range, #in vitro# properties and serological properties from previously described strains of soybean mosaic and pepper veinal mottle viruses. It seems to be a distinct member of the potyvirus group and we propose the name groundnut eyespot virus. (Resume d'auteur)