Management of weedy rices in Africa. Final Technical Report.
Abstract
Studies on wild rice (O. longistaminata, O. barthii and O. punctata) were conducted in Mali, Ghana and Tanzania, and in glasshouses at Long Ashton Research Station, UK. Yield losses of 2 t ha, or almost 40% were caused by infestations of 70 shoots m2 of O. barthii in Mali. In Ghana, where yields were generally lower, infestation of 100 shoots m2 of O. longistaminata caused yield losses of 0.9 t ha.
A review was also undertaken on herbicide resistant crops (HRC) as a means of improved management systems for wild and weedy rice.
Citation
Johnson, D. Management of weedy rices in Africa. Final Technical Report. Natural Resources Institute, University of Greenwich, Chatham Maritime, Kent, UK (2002) 32 pp.
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Published 1 January 2002