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
James Douglas, Lord of Douglas James Douglas, Lord of Douglas Sir James Douglas (also known as Good Sir James and the Black Douglas) (c. 1286 – 25 August 1330) was a Scottish knight and feudal lord. He was one of the chief commanders during the Wars of Scottish Independence. He was the eldest son of Sir William Douglas, known as "le Hardi" or "the bold", who had been the first noble supporter of William Wallace (the elder Douglas died circa 1298, a prisoner in the Tower of London). His mother was Elizabeth Stewart, the daughter of Alexander Stewart, 4th High Steward of Scotland, who died