Titlebook: Bulletin of Environmental Contamination and Toxicology; J. W. Hylin Book 1967 Springer-Verlag Berlin Heidelberg 1967 environment.environme

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,Elastizitäten und Wachstumsraten,etic acid (2, 4-D), a growth-regulating substance, was first demonstrated by Stevenson and Mitchell (13) and by Lewis and Hammer (3). Dubos (1) observed that a number of synthetic, unsaturated, ring-containing acids including 2, 4-D, exerted bacteriostatic effects on certain microorganisms.

Ophthalmologist

Drug Effects on Dieldrin Storage in Rat Tissue, detriments to the use of insecticides in the production of food or forage crops. Members of the chlorinated cyclodiene insecticides, e.g., dieldrin, aldrin, endrin, and heptachlor, represent the greatest potential problem because of their relatively great storage rates in animal tissues (1).

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Residual Nature of Certain Organophosphorus Insecticides in Grain Sorghum and Coastal Bermudagrass,ll armyworm, . (Smith), on Coastal bermudagrass. On grain sorghum, the residual persistance of dimethoate, ethion, azinphos-methyl and methyl parathion was determined while similar studies were performed with Iraidan, N-(mercaptomethyl) phthalimide-S-(O,C-dimethylphosphorodithioate, and trichlorfon on Coastal bermudagrass.

Physiatrist

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Thin Layer Chromatography of Dithiocarbamate Fungicides,uld distinguish the residue of the applied substance from its transformation products. Thin layer chromatography proved to be the most effective method for this separation and the following procedure was developed.

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