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.
The Peace Tower dominates the central section of the Canadian Parliament Buildings in Ottawa, Ont. Robert Frerck/Tony Stone Worldwide. Canada is a federal parliamentary democracy. Once a colony of Great Britain, it became independent in 1867 through the British North America Act. Provisions of this act made it necessary for the British Privy Council to approve any amendment to the constitution. In 1982 the act was amended and renamed the Constitution Act (also known as the Canada Act).