| occurrence, distribution and relative incidence of mosaic viruses infecting field--grown squash in tehran province, iran. | squash (cucurbita pepo) belongs to cucurbitaceae family. every year cucurbitaceae are planted world wide. they are one of the most important economic crops. cucurbitaceae are threatened by viruses. many viruses damage the plants of this family. since nine viruses have been reported on squash from iran. in this survey, during 2002--2003, to determine the distribution of cucumber mosaic virus (cmv), zucchini yellow mosaic virus (zymv) and watermelon mosaic virus (wmv), 466 samples were collected f ... | 2004 | 15756831 |