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 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). Most leaf spots on blueberries are caused by fungal diseases… 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. 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. Stunting of blueberry bush (left) because of blueberry stunt disease. The early plant got blueberries ripe enough for a bowl or so but then the leaves started turning and berries started shriveling up … Fusicoccum or Godronia Canker is caused by the fungus Fusicoccum putrefaciens, otherwise known as Godronia cassandrae. Stem Diseases of Blueberry Pictures. Syringae. Viral diseases: A blueberry viral disease with similar symptoms is caused by two strains of the same virus. It affects blueberry in the northern United States, southern Canada, and Europe. Blueberry scorch and Sheep Pen Hill disease (SPHD) are commonly found occurring on the West Coast and in New Jersey, respectively. Actually known to plant pathologists by the complete name of "lilac bacterial blight," this disease is caused by a bacterium Pseudomonas syringae pv. 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 It can kill individual stems or entire plants. If you see spots on blueberry leaves, your shrub has developed one of several blueberry leaf spot diseases. A (Fig. Disease Cycle. The gardener there ask me to take some pictures of root ball etc. Leaf spots on blueberries tell you something you may not want to hear: there is something amiss with your plant. Reprinted from Compendium of Blueberry and Cranberry Diseases, 1995, American Phytopathological Society, St. Paul, Minn.) A B Figure 14. Blueberry Virus 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. Both are typically … Blueberries & Plant Diseases. I bought 8 plants in spring for my family and I. Blueberry plants produce delicious edible fruit and the bushes make excellent shrub borders and hedges. Rust spores are spread efficiently by wind. ( early ,mid and late varieties) one of mine died right away. Diseases of Blueberry . The pathogen must have a living host to survive. Virus diseases also are spread by diseased plants from infected nursery stock. 11A photo by Donald Ramsdell. 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 … For more information, read Common Blueberry Insect Pests and Their Control by Elsner and Whalon. 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