WebDescription The Norway spruce is a medium-sized evergreen conifer that reaches a height of 40 to 60 feet tall and is up to 25 to 30 feet wide. It has a pyramidal or conical habit with a strong central leader and pendulous … WebBlack, Engelmann, Norway, red, and white spruce trees develop trunk cankers more often than other affected species. In Illinois, Cytospora canker destroys the ornamental value of spruce trees by killing branches and causing profuse exudation of resin from cankers on branches or trunks (Figure 2 and Figure 3). Symptoms and Signs

Cytospora Canker of Spruce Focus on Plant Problems U of I …

http://ipm.illinois.edu/diseases/series600/rpd604/ WebMar 7, 2011 · Cytospora canker. This canker gradually kills the lower branches and can spread to higher branches of the tree. Cankers may occur anywhere on the branch; however, they are more prone to occur on branch segments near the trunk. The cankers are somewhat inconspicuous except for the presence of resin where the fungus has attacked … sonic the hedgehog four episode eleven

Michigan awash with Phomopsis cankers on spruce trees …

WebNoteworthy Characteristics. Picea abies, commonly called Norway spruce, is a large pyramidal evergreen conifer that is native to the mountains of northern and central … WebCytospora Canker Description: The plant pathogenic fungus Leucostoma kunzei (formerly Valsa kunzei) is the causal agent of cytospora canker, a disease of some conifers … WebCytospora canker is most common in dense plantings and on trees over fifteen years old, but it occasionally affects younger trees as well. Symptoms and Signs the fungus. The … sonic the hedgehog game device