Economically important viruses of pome fruit

Sa？etak Virus diseases of apple, pear and quince are relatively less known to agricultural experts and fruit producers. Apple mosaic virus (ApMV), Apple chlorotic leaf spot virus (ACLSV), Apple stem grooving virus (ASGV) and Apple stem pitting virus (ASPV) are usually considered economically most important viruses of pome fruit. Their significance, biology and regulatory status are briefly described, as well as basic control measures