tomato is one of the most important vegetables in iran and throughout the world with crop loss caused by several viruses. this survey was carried out to detect the viruses causing mosaic symptoms on tomato in yazd city (iran). a total of 451 samples of tomato leaves showing mosaic symptoms were collected from fields and greenhouses during 2012-2013 growing season. collected samples were analyze...

alfalfa crops were surveyed for the incidence of alfalfa mosaic virus (amv), cucumber mosaic virus (cmv), peanut stunt virus (psv), bean leaf roll virus (blrv), bean yellow mosaic virus (bymv) and bean common mosaic virus (bcmv) in the major growing areas in the southeast and central regions of iran. samples were collected between may 2009 and march 2011 and analyzed for viral infection initial...

two different viruses were isolated from sugar beet growing areas in karaj, which caused mosaic symptoms. collected samples were classified in two different groups. the host range of the first group was confined to some species in chenopodiaceae and amaranthaceae families. the sap of infected plants reacted positively with beet mosaic virus antisera in ouchterlony double-diffusion test. electro...