00000nam 2200000zi 4500 9.943645 CaOODSP 20241002112545 m o d f cr |n||||||||| 240927e197810##oncb ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn--- Fo46-16/19E-PDF Retnakaran, Arthur, 1934- author. Experimental aerial application of insect growth regulators against the spruce budworm, Choristoneura fumiferana (Clemens) in Thessalon (1976) and Hearst (1977) / A. Retnakaran, William Kaupp and Gordon Howse. Sault Ste. Marie, Ontario : Canadian Forestry Service, Environment Canada, October 1978. 1 online resource (iv, 29 pages) : maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Report ; FPM-X-19 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 10-11). "Insect Growth Regulators are essentially slow acting insecticides which adversely affect the normal growth and development of insects. They are more selective than conventional insecticides and have very little impact on the environment. At present 3 groups of insect growth regulators are known. These are (i) anti-juvenile hormones (antiallatotropins) (ii) juvenile hormone analogs and (iii) moult inhibitors"--Introduction. Includes abstract in French. Spruce budworm Control. Choristoneura. Insecticides. Tordeuse des bourgeons de l'épinette Lutte contre. Choristoneura. Insecticides. Forest Pest Management Institute (Canada), issuing body. Canadian Forestry Service, issuing body. Report (Forest Pest Management Institute (Canada)) FPM-X-19. (CaOODSP)9.938845 PDF 1076 KB https://publications.gc.ca/collections/collection_2024/eccc/Fo46-16-19-eng.pdf