Viral diseases: A blueberry viral disease with similar symptoms is caused by two strains of the same virus. According to Whalon, “…a lot of the monitoring, control and other information would likely be applicable (to the southern United States), but the timing, degree days and other mitigating factors would be … It can kill individual stems or entire plants. Syringae. Diseases of Blueberry . This is a pocket-sized guide for reference in blueberry fields and can be purchased from MSU Extension at shop.msu.edu (Publication E-2928).. Resources Most leaf spots on blueberries are caused by fungal diseases… Early Season Blueberry Diseases Exobasidium, Mummy Berry, and Fruit Rots (Phil Brannen, UGA Blueberry Blog, 10/31,2013) Apply lime sulfur as a late dormant spray (about 1-2 weeks prior to bud break) for Exobasidium and Phomopsis control Apply Indar + Captan from green tip through petal fall for mummy berry management For more information, read Common Blueberry Insect Pests and Their Control by Elsner and Whalon. blueberry” Habitat: sandy hummocks above bogs – Acidic, well-drained low-fertility soils – Shallow water table Root adaptations – Many fine feeder roots without root hairs – Mycorrhizae: “fungus roots” Diagram of a blueberry plant from NRAES-55, Highbush Blueberry Production Guide. In central Florida, the fungus survives mild winters on evergreen plants of Vaccinium species, in the environment surrounding production fields, or in blueberry plants in protected culture (such as high-tunnel production). The pathogen must have a living host to survive. The information presented here about diseases was developed from the publication A Pocket Guide to IPM Scouting in Highbush Blueberries by Annemiek Schilder, Rufus Isaacs, Eric Hanson and Bill Cline. Blueberries & Plant Diseases. Virus diseases are spread to healthy blueberry plants by vectors that include primarily aphids, nematodes, leafhoppers, and occasionally honeybees, which can spread virus-infected pollen. Disease Cycle. Rust spores are spread efficiently by wind. ( early ,mid and late varieties) one of mine died right away. Fusicoccum or Godronia Canker is caused by the fungus Fusicoccum putrefaciens, otherwise known as Godronia cassandrae. If you see spots on blueberry leaves, your shrub has developed one of several blueberry leaf spot diseases. Stunting of blueberry bush (left) because of blueberry stunt disease. Virus diseases also are spread by diseased plants from infected nursery stock. Blueberry scorch and Sheep Pen Hill disease (SPHD) are commonly found occurring on the West Coast and in New Jersey, respectively. The early plant got blueberries ripe enough for a bowl or so but then the leaves started turning and berries started shriveling up … Blueberry plants produce delicious edible fruit and the bushes make excellent shrub borders and hedges. Blueberry Virus Diseases. 11A photo by Donald Ramsdell. Both are typically … The gardener there ask me to take some pictures of root ball etc. Actually known to plant pathologists by the complete name of "lilac bacterial blight," this disease is caused by a bacterium Pseudomonas syringae pv. Stem Diseases of Blueberry Pictures. A (Fig. It affects blueberry in the northern United States, southern Canada, and Europe. Leaf spots on blueberries tell you something you may not want to hear: there is something amiss with your plant. I bought 8 plants in spring for my family and I. Reprinted from Compendium of Blueberry and Cranberry Diseases, 1995, American Phytopathological Society, St. Paul, Minn.) A B Figure 14. Used by permission.