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Relationship of Cassava Mosaic Severity in Planting Material to Mosaic Development, Growth and Yield of Cassava in Zaire

Published online by Cambridge University Press:  03 October 2008

A. Muimba-Kankolongo  and
K. Phuti
A. Muimba-Kankolongo
Affiliation:
Programme National Manioc (PRONAM), BP 11635 Kinshasa 1, Zaire
K. Phuti
Affiliation:
Programme National Manioc (PRONAM), BP 11635 Kinshasa 1, Zaire
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Summary

The performance of a cassava clone susceptible to cassava mosaic disease (CMD) was tested over two successive years for CMD development, plant vigour and yield of fresh tuberous roots. Cuttings from plants with different CMD infection levels were used. There was a significant increase in mosaic incidence, severity and proportion of leaves showing symptoms of the disease in the subsequent crop as the levels of CMD primary infection in planting material increased. Plant height and stem diameter were also adversely affected and the yield of plants from severely affected cuttings was reduced by 60–70%.

Type
Research Article
Information
Experimental Agriculture , Volume 23 , Issue 2 , April 1987 , pp. 221 - 225
Copyright
Copyright © Cambridge University Press 1987

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