What is Cytospora canker? Cytospora canker is one of the most common fungal diseases of Colorado blue spruce. This disease can also affect Norway spruce (and less frequently other spruces) as well as Douglas-fir and balsam fir. Trees that are 15 years old or older and are at least 20 feet high most typically show symptoms of this disease.
Canada has been an independent country since 1931, and does not belong to the United Kingdom. But it is still a member of the British Commonwealth, also called the Commonwealth of Nations, which is made up of the United Kingdom and several countries that used to be part of the British Empire.anada has been an independent country since 1931, and does not belong to the United Kingdom. But it is still a member of the British Commonwealth, also called the Commonwealth of Nations, which is made up of the United Kingdom and several countries that used to be part of the British Empire.
Australia as a nation became part of the British Empire when the colonies federated on 1 January 1901 to become the Commonwealth of Australia.hen did Canada be a part of the British empire? Well, Canada became partially under British rule in the 15th century but after Britain's power grew, the country wanted the complete control over all of Canada and so fought t â¦ he French and rule all of it in the 18th century.