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AF Kuate
FN Ajebesone
C Suh
ADB Boyogueno

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AF Kuate
FN Ajebesone
C Suh
ADB Boyogueno

International Journal of Agricultural Policy and Research
ISSN 2350-1561
Vol.5 (11), pp. 186-191, November 2017
Available online at
Article 17/ID/JPR060/06/ pages
Author(s) retain the copyright of this article. Author(s) agree that this article remain permanently open access under the terms of the Creative Commons Attribution License 4.0 International License.

Original Research Article

Effects of phytosanitation and cassava (Manihot esculenta) variety on the incidence of cassava mosaic disease and whitefly abundance in a forest zone of Cameroon

Apollin Fotso Kuate1*, Francis Ngome Ajebesone2, Christopher Suh2 and Aimé Didier Begoude Boyogueno2

1International Institute of Tropical Agriculture, Yaoundé, Cameroon.
2Institute for Agricultural Research and Development, Yaoundé, Cameroon.

* Correspondence Email: a.fotso(at)

Tel: +237 222 237 434

date Received: October 29, 2017     date Accepted: November 9, 2017     date Published: November 15, 2017


Cassava Mosaic disease (CMD) is transmitted either through infected cuttings or by whiteflies. We investigated how phytosanitation methods could affect cassava varieties responses to CMD infection and its vector and the relationship between vector abundance and CMD incidence. The experiment was set in a completely randomized design with three phytosanitation methods applied on four cassava varieties. CMD severity and whitefly population were assessed at 1, 3, 6 and 9 months after planting. Yield data was recorded at harvest, 12 months after planting. Phytosanitation had effect on CMD incidence on all varieties except the local check which had more than 90% of its plants infected. There was no difference in whitefly population abundance between treatments. We found a negative correlation between vector abundance and CMD incidence with variety 92/0326 having lowest CMD incidence and more whitefly counts. At harvest, main difference in the fresh root yield was observed between the removal treatment and the others. Large difference in yield were observed between varieties, with the local variety producing less than the other varieties. The combination of phytosanitation and cassava varieties with initial level of CMD resistance can reduce the transmission of CMD in cassava fields in the humid tropical forest.

Key words: Cassava varieties, disease severity, initial resistance, manihot esculenta, phytosanitation and whitefly

Kuate et al