Canadian Forest Service Publications

Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clemens) in Thessalon (1976) and Hearst (1977) 1978. Retnakaran, A.; Kaupp, W.J.; Howse, G.M. Environment Canada, Canadian Forestry Service, Forest Pest Management Institute, Sault Ste. Marie, ON. Information Report FPM-X-19. 29 p.