zucchini yellow mosaic virus (zymv) is a potyvirus with a worldwide distribution. this virus causes serious economic losses in iran in many cucurbits. during 2002-2003, sam-ples were collected from squash fields in tehran province. five isolates (z1, z2, z3, z4 and z5) were inoculated on 27 species of cucurbitaceae, chenopodiaceae, amarantha-ceae,solanacae, leguminosae and ranunculaceae. chenop...
