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blue spruce

Listing 1 - 10 from 162 for blue spruce

Cytospora Canker of Spruce, HYG-3033-96
... of spruce in landscape plantings in Ohio is Cytospora canker. This disease is caused by a fungus and is frequently found on Norway spruce and Colorado blue spruce and its cultivars. White spruce is also susceptible and there are a few reports on Serbian spruce. In addition to the spruces, ...
ohioline.osu.edu

Rhizosphaera Needlecast on Spruce, HYG-3059-96
... Road, Columbus, OH 43210-1087 Rhizosphaera Needlecast on Spruce HYG-3059-96 Nancy J. Taylor Stephen T. Nameth Spruce, in particular, Colorado blue spruce, can be infected with a needlecast disease caused ... will help prevent serious losses. Use Healthy Stock At planting time, the foliage of blue spruce should be examined for fruiting bodies of Rhizosphaera protruding through needle stomata. If these ...
ohioline.osu.edu
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Spruce Tree
... side and mature from light green to dark, glossy green. More: Norway Spruce Colorado Blue Spruce (Picea pungens var. glauca) Colorado blue spruce is a popular evergreen conifer. It is dense and pyramidal, with stiff ... to 20 feet wide in the landscape, and much taller in the wild. More: Colorado Blue Spruce Choosing Plants from a Nursery Flowering Shrubs All About Japanese Maples Using the Shade in ...
www.bhg.com

Spruce
... spruce - This spruce has blue needles. Its compact growth makes it an appropriate bonsai choice. Picea polita: spruce. Picea pungens: Colorado spruce, Colorado blue spruce, blue spruce - a blue-gray to blue ...
www.bonsai-bci.com

Questions On Spruce
... spruce trees about once per week. Q: I have three large spruce trees in my front yard that have been diagnosed with spider mites. I also have a blue spruce and another spruce ... of blue spruce stays blue after it has fully matured? I have noticed that many blue spruce trees ... spruce instead. You don't explain in the article why you don't recommend blue spruce. Is there a high mortality for blue spruce ...
www.ext.nodak.edu

Wild Ones: Wild Ones Archive 2002, Jul 16:  Ques#11: Toxic Spruce Needles  
... Links Conferences Wild Ones 2002 Archive QUESTION #11: Toxic spruce needles I read that spruce needles are toxic. Does anyone know if that ... , Wetlands Nursery, Saginaw, MI 7-6-02 I have a wonderful old blue spruce and I needed to prune it up about 12 feet. It ... have small oak seedlings and other plants coming up under my Blue Spruce. -- Kathleen of Berea, OH Prev (Jul 16): Ques#10: Steep Ditches Next ...
www.for-wild.org

Department of Plant Pathology Plant Disease Fact Sheets
... bare areas develop on the tree as needles fall. Blue and Engelmann spruce are highly susceptible. White spruce are somewhat susceptible. Norway spruce are relatively resistant. Rhizosphaera Space trees and provide ... Needle Rust Year-old needles are cast after turning rust colored in the spring. Blue spruce is very susceptible. Black, Engelmann, red, Sitka, and white spruces are also susceptible. ...
www.ppath.cas.psu.edu

TreeHelp.com: Trees: Species: Spruce
... wood of the spruce has a variety of commercial uses from pulpwood and flooring to Christmas trees. For home landscapers, varieties such as the Norway spruce and the blue spruce are popular choices with their beautiful foliage and striking shapes. Learn more about the different types of spruce and the insects and diseases ...
www.treehelp.com

Cytospora Canker of Spruce
... Cytospora Canker of Spruce Cytospora spp., Sphaeropsi sapineas, Siroccus conigenus are the only cankers found on spruce at this time. Of the three, Cytospora spp. is the one that does the vast majority of the killing It is the number one killer of the Colorado blue ... and Norway spruces. Occasionally, it attacks Koster's blue spruce and Douglas fir. Symptoms Browning of needles and ...
www.urbanext.uiuc.edu

Pine and Spruce Insects
... Evergreen Trees & Shrubs Deciduous Trees & Shrubs Perennial Flowers En Espaņol Pine and Spruce Insects Pitch Mass Borer Pine pitch moth adults resemble yellowjackets. The adults are clear wing ... ) attacks Austrian, eastern white, Scots and Jack pines as well as white, Norway and Colorado blue spruce. Adults are only seen during the summer and the insect can take up to three ...
www.urbanext.uiuc.edu
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