Items where Author is "Hanna, R."

Yes

Zundel, C. and Chibikom, R. and Scheidegger, U. and Nagel, P. and Hanna, R.. (2010) Developing cassava cultivars based on farmers' needs and on the agro-ecological conditions of north-western Cameroon. African Journal of Root and Tuber Crops, 8 (2). pp. 23-33.

Zundel, C. and Nagel, P. and Hanna, R. and Korner, F. and Scheidegger, U.. (2009) Environment and host-plant genotype effects on the seasonal dynamics of a predatory mite on cassava in sub-humid tropical Africa. Agricultural and forest entomology, Vol. 11, H. 3. pp. 321-331.

No

Fotso Kuate, A. and Tindo, M. and Hanna, R. and Kenne, M. and Goergen, G.. (2006) Field abundance and nest structure of the ant Anoplolepis tenella associated with the African root and tuber scale in the Congo Basin. In: Proceedings of the 1st international symposium on crops integrated pest management in the CEMAC zone, 2006. pp. 203-209.