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Chemical Weed Control in Groundnuts in the Kenana Area of the Sudan

Published online by Cambridge University Press:  03 October 2008

A. M. Hamdoun
A. M. Hamdoun
Affiliation:
Kenana Research Station, Abu Naama, Sudan
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Summary

Herbicides tested at Kenana Agricultural Research Station (K.A.R.S.) from 1968 to 1972 showed that pre-emergence application of oxadiazon, nitrofen, linuron, phenobenzuron, prometryne, nitralin, diuron and fluorodifen gave satisfactory weed control. Applications of oxadiazon at 2·38 kg/ha, fluorodifen at 7·14 kg, nitrofen at 4·76 kg and nitralin at 3·8 kg had no adverse effect on growth of groundnuts, but prometryne, diuron, phenobenzuron and linuron at relatively lower rates caused phytotoxicity symptoms. Residues from treatment with 7·14 kg fluorodifen, 2·38 kg oxadiazon and 4·76 kg alachlor did not injure test crops, but growth of sorghum and maize was reduced 9 months after applying 3·8 kg nitralin. Phenobenzuron was persistent in soil and most test crops were injured following an application of only 1·9 kg.

Type
Research Article
Information
Experimental Agriculture , Volume 12 , Issue 2 , April 1976 , pp. 113 - 119
Copyright
Copyright © Cambridge University Press 1976

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References

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