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Effects of Soil Type and Time on the Herbicidal Activity of CDAA, CDEC, and EPTC

Published online by Cambridge University Press:  12 June 2017

T. J. Sheets
T. J. Sheets*
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Botany Department, University of California, Davis
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Extract

Recent investigations on the use of 2-chloro-N,N-diallylacetamide (CDAA), 2-chloroallyl diethyldithiocarbamate (CDEC), and ethyl N,N-di-n-propylthiolcarbamate (EPTC) for weed control have stressed soil incorporation rather than the more conventional application to the soil surface. By this treatment loss of the herbicides as vapors may be reduced, the risk of crop injury lessened, and weed control improved. Although both pre-planting and pre-emergence soil incorporation have been investigated, pre-planting treatments appear most promising. In many weed-crop situations the results obtained with EPTC have been especially promising.

Type
Research Article
Information
Weeds , Volume 7 , Issue 4 , October 1959 , pp. 442 - 448
Copyright
Copyright © 1959 Weed Science Society of America 

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References

Literature Cited

1. Ashton, F. M., and Sheets, T. J. The relationship of soil adsorption of EPTC to oats injury in various soil types. Weeds 7:88–90. 1959.Google Scholar
2. Hannah, L. H. Field studies with two new classes of herbicidal chemicals. Proc. Southern Weed Conf. 8:316–321. 1955.Google Scholar
3. Otten, R. J., Dawson, J. E., and Schreiber, M. M. Persistence and leaching of CDEC and CDAA in soil. Proc. Northeastern Weed Control Conf. 11:111–119. 1957.Google Scholar
4. Sheets, T. J. The comparative toxicities of four phenylurea herbicides in several soil types. Weeds 6:413–424. 1958.Google Scholar