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Replanting Cotton Treated Preemergence with Diuron

Published online by Cambridge University Press:  12 June 2017

J. T. Holstun Jr.  and
C. G. McWhorter
J. T. Holstun Jr.
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture, Stoneville, Mississippi
C. G. McWhorter
Affiliation:
Crops Research Division, Agricultural Research Service, U. S. Department of Agriculture and the Delta Branch, Mississippi Agricultural Experiment Station, Stoneville, Mississippi
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Abstract and summary

Disking, relisting, cultivation and no repreparation were employed in repreparing for planting seedbeds that had received preemergence treatment with 3-(3,4-dichlorophenyl)1,1-dimethylurea (diuron). Only the relisting method of seedbed repreparation appeared hazardous with respect to crop injury from herbicidal residues. Retreatment with diuron tended to increase injury symptoms in replanted cotton but yields were not significantly reduced by retreatment. Early-season weed competition, preventable by preemergence treatment, appeared to be more hazardous to yields than slight to moderate herbicidal injury to the cotton. Cotton replanted on plots treated once or treated twice significantly outyielded that on untreated plots in one of the two years in which all plots were replanted.

Type
Research Article
Information
Weeds , Volume 10 , Issue 3 , July 1962 , pp. 237 - 239
Copyright
Copyright © 1962 Weed Science Society of America 

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References

Literature Cited

1. Anonymous. 1960. Official 1960 Cotton Pest Control Guides. pp. 25–26. (Published by National Cotton Council, P. O. Box 9905, Memphis 12, Tennessee).Google Scholar
2. Hill, G. D., McGahen, J. W., Baker, H. M., Finnerty, D. W., and Bingeman, C. W. 1955. The fate of substituted urea herbicides in agricultural soils. Agron. J. 47:93–103.Google Scholar
3. McWhorter, C. G., and Holstun, J. T. Jr. 1957. Progress report on CIPC and diuron for preemergence weed control in cotton. Proc. SWC 10:31–38.Google Scholar