Experiments with Toxaphene Against the Japanese BeetleU.S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951 - Japanese beetle - 9 pages |
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10-percent dusts 25 pounds 50 pounds 9 weeks later 98 percent mortality action with toxaphene adult Japanese beetles applied as 10-percent Average days required Chenango Ohio Collington N. J. Colts Neck N. J. Conn course at Blairstown DDT Toxaphene DDT DDT were applied Dunellen gravelly and shale individual soils insecticidal action Keyport Lansdale Larvae in Turf larvae were introduced Massachusetts Menlo loam mixed with 71 mortality Toxaphene DDT numbers of dead obtained with toxaphene organic matter peat percent mortality Toxaphene plants pounds of toxaphene pounds per acre rate of 25 required for 98 Rhode Island Sassafras sandy loam shale loams Shrewsbury silt loams silty clay loams Soil type Source soils from Connecticut Source Average days speed of insecticidal standard deviation sulfate summarized in table third-instar larvae toxaphene and DDT toxaphene appeared Toxaphene DDT Toxaphene toxaphene per acre toxicants treated with toxaphene treatments type Source Average untreated soil Woodbridge Woodstown N. J.