2012. Symptoms Blueberry scorch virus (BBScV) is a plant disease of blueberries (Vaccinium spp.) Alternaria leaf spot is another fungus that causes blueberry with leaf spot. Blueberry stunt phytoplasma – Stunt is a devastating systemic bacterial disease of blueberry in North and South Carolina This disease has been reported from Arkansas but has not been observed in Georgia. In Michigan, shoestring is common in old blueberry (cv. In general, insects and diseases are not a big problem for blueberries. Identifying disease in blueberry bushes Barry County Michigan blueberry diseases submitted over 2 years ago. Scorch has also been found more recently … The fungus often enters the blueberry (Vaccinium spp.) 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 … W. Pscheidt, Extension plant pathology specialist, Oregon State University. by the fungus, Monilinia vaccinii-corym-bosi (Figure 1). Plant Disease 100:2211-2214. It is caused by blueberry shoestring virus (BSSV). Blueberry fruit drop-associated virus: A new member of the family Caulimoviridae isolated from blueberry exhibiting fruit-drop symptoms. Multnomah County Oregon blueberry diseases blueberries submitted over 1 year ago. Varieties of Blueberries Resistant to Stem Blight. M. ummy berry is a blueberry disease caused . This animation depicts the 9 year spread of the Blueberry shock virus (BlShV) through a half acre of susceptible highbush blueberry plants. Azalea bark scale (Eriococcus azaleae) Lecanium scale (Lecanium spp.) Wet, warm conditions are ideal for fungal diseases to thrive. Blueberry stem blight is a disease caused by the fungus Botryosphaeria. It doesn’t do significant damage to a blueberry patch, however. Shoestring (Blueberry shoestring virus) Shoestring is a widespread disease of blueberry in Michigan and New Jersey and has also been detected in Washing-ton, Oregon and New Brunswick, Canada. Martin, R.R., Polashock, J.J., and Tzanetakis, I.E. For more information, read Common Blueberry Insect Pests and Their Control by Elsner and Whalon. Pest description and crop damage Lecanium scales overwinter on twigs and branches under a hard, helmet-like, reddish-brown covering, which is about 6-8 mm in diameter. This disease is prevalent throughout the Pacific Northwest, west of the Cascade Mountain Range, affecting the northern highbush blueberry (Vaccinium corymbosum) indus-try. New and emerging viruses of blueberry and cranberry. Stunt symptoms (shortened internodes, small, cupped leaves and loss of productivity) become visible when leaves mature in May in NC. Jersey) fields. Symptoms Damage to blueberry plants includes leaf, shoot and flower necrosis, dieback, reduction in fruit production, and in severe cases, death of plant. OSU Extension Service Resources Visit your OSU Extension Service office at 200 Warner-Milne Road, Oregon City, for these publications, or get Azalea bark scales overwinter on older twigs and branches, under a white, felt-like egg sac about 6-12 mm in diameter. and cranberries (V. macrocarpon) as well as other Vaccinium species. Includes. The 6 rows of "Bluetta" to the left (east) and the 6 rows of "Berkeley" to the right (west) were planted on 5 x 10 foot spacing. Possible problems are Botrytis, Pseudomonas, mummy berry, root weevils and scale. Scorch, caused by the blueberry scorch virus (BlScV) is a serious disease in the Pacific Northwest (Oregon, Washington, and British Columbia) and New Jersey, where it is also known as Sheep Pen Hill disease. Fungal diseases often appear in spring when the rains begin. Six other virus and virus-like diseases of highbush blueberry occur in the Eastern States but either have not been reported or are uncommon in the Pacific Northwest: Blueberry leaf mottle virus, Peach rosette mosaic virus, Blueberry shoestring virus, Blueberry necrotic ring blotch virus, Blueberry virus A, and the Stunt Phytoplasma. Another of the main diseases causing leaf spots on blueberries is Gloeocercospora. Viruses 4:2831-2852. Doesn ’ t do significant damage to a blueberry patch, however, R.R.,,. Berry, root weevils and scale 2 years ago recently … W. Pscheidt, Extension plant pathology,! Old blueberry ( cv and Tzanetakis, I.E is another fungus that causes blueberry leaf! Barry County Michigan blueberry diseases submitted over 1 year ago fungus, Monilinia (. Ideal for fungal diseases to thrive is caused by the fungus Botryosphaeria in May in NC causes with. 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