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Effects of Some Herbicides on Cotton Weeds in the Sudan Gezira

Published online by Cambridge University Press:  03 October 2008

A. M. Hamdoun  and
A. G. T. Babiker
A. M. Hamdoun
Affiliation:
Gezira Research Station, Wad Medani, Sudan
A. G. T. Babiker
Affiliation:
Gezira Research Station, Wad Medani, Sudan
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Summary

Pre-emergence application of the herbicides fluometuron, oxadiazon, oxadiazon + diuron and norflurazon gave satisfactory weed control, particularly during the early stages of cotton growth, but supplementary hand-weeding 6 weeks after sowing was necessary for control of resistant weed species. The number of man-hours required for supplementary weeding was considerably less than on the untreated control (6–52%). The economic implications of supportive hand-weeding is briefly discussed. No herbicides had any adverse effect on cotton except fluometuron at 0.95 kg/ha and norflurazon at 1.59 kg/ha.

Type
Research Article
Information
Experimental Agriculture , Volume 14 , Issue 2 , April 1978 , pp. 137 - 144
Copyright
Copyright © Cambridge University Press 1978

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References

REFERENCES

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Saeed, A. A. (1970). Thesis for M.Sc., Univ. Khartoum.Google Scholar
Thomas, W. D. (1970). In Cotton Growth in the Gezira Environment (ed. Siddig, M. A. & Hughes, L. C.). Sudan: Min. Agric.Google Scholar