[First report of SPFMV on sweet potato in Italy [Ipomoea batatas (L.) Lam.; Sweet Potato Feathery Mottle Virus; Latium]

batata damage danno diagnosi diagnosis diagnostic disease surveys distribuzione geografica elisa encuestas sanitarias epidemiologia epidemiologie epidemiology geographical distribution indagini sulle malattie infection infezione ipomoea batatas lacio latium lazio lesiones lesioni lesions microscopia microscopie microscopy patate dolci patate douce plant viruses potyvirus sintomi sweet potatoes symptome symptoms test elisa tubercule tuberi tubers virus de las plantas virus delle piante