what is phomopsis
RPD No. 622 - Phomopsis Twig Blight of Juniper. Phomopsis twig blight of juniper, also known as nursery blight, cedar, juniper, or needle blight, is caused by the fungus Phomopsis juniperovora.Economic damage to landscape plantings and nursery stock is largely restricted to species and cultivars of juniper (Juniperus).homopsis twig blight to juniper is found in most of the United States from the Pacific Northwest, throughout the Great Plains from South Dakota to Texas, and eastward through the entire Midwest to the East Coast as well as in Canada, however, it is not common on plants growing in the wild.