Christmas tree pests and weeds required restrictions and requirements to be placed upon Christmas tree growers with plantations in "gypsy moth regulated areas". The restrictions and requirements included ongoing site monitoring, active moth eradication by the grower, accurate record keeping, and government directed moth eradication programs. Failure to abide by the rules could result in revocation of the "approved grower" status from the Canadian Food Inspection Agency. The major types of conifers cultivated, pines, Douglas-firs, true firs, and spruce trees, are all affected by some types of insect pests. Douglas-firs are most vulnerable to the Cooley spruce gall adelgid. The true firs are most susceptible
Douglas Fraser his father, who worked at a brewery, would sometimes fuel the family stove with stolen whiskey. Samuel Fraser moved to Detroit, Michigan, while his son was still a young boy, in 1922. Samuel, his mother, Douglas, his sister, and his brother sailed to New York City aboard the and were inspected at Ellis Island on April 23, 1923. They travelled to their new home in Detroit by train. Douglas was deeply influenced by the Great Depression. His father was out of work for long periods, and he admitted that the poverty and social disorder that he witnessed changed his life.