D-D Soil Fumigant (a mixture of 1,3-dichloropropene and 1,2-didl1oropropane) was applied to a muck soil at 200 gallons per acre and to a sandy loam at 100 gallons per acre to control the golden nematode Heterodera rostochiensis (Wollenweber). Representative samples of both types of soil were taken 8 months later. Vapor .from above the soil was analyzed by gas chromatography with electron capture detection as a rapid test for the presence of dichloropropene; solvent extraction of the soil followed by the same method of analysis provided quantitative data. Acetonitrile adequately extracted dichloropropene from the sandy loam but gave low results for the muck soil. cis- and trans-dichloropropene were detected in both soils, but the muck soil contained considerably higher amounts.
Document Type: Research Article
Publication date: October 1, 1968
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