Agriculture Reference
In-Depth Information
Legg, J.P. and Thresh, J.M. (2000) Cassava mosaic virus disease in East Africa: a dynamic disease in a
changing environment.
Virus Research
,
71
, 135-149.
Legg, J.P. and Thresh J.M. (2004) Cassava virus diseases in Africa, in
Plant virology in sub-Saharan
Africa.
(eds Jd'A. Hughes and B.O. Adu), Conference Proceedings, IITA, Ibadan, pp. 517-552.
Legg, J.P., French, R., Rogan, D.
et al
. (2002) A distinct
Bemisia tabaci
(Gennadius) (Hemiptera:
Sternorrhyncha: Aleyrodidae) genotype cluster is associated with the epidemic of severe cassava
mosaic virus disease in Uganda.
Molecular Ecology,
11
, 1219-1229.
Legg, J.P., Gibson, R.W. and Otim-Nape, G.W. (1994) Genetic polymorphism amongst Ugandan
populations of
Bemisia tabaci
(Gennadius) (Homoptera: Aleyrodidae), vector of African cassava
mosaic geminivirus.
Tropical Science,
34
, 73-81.
Legg, J.P., Ndjelassili, F. and Okao-Okuja, G (2004) First report of cassava mosaic disease and cassava
mosaic geminiviruses in Gabon.
Plant Pathology
,
53
, 232.
Legg, J.P., Okao-Okuja, G., Mayala, R. and Muhinyuza, J.-B. (2001) Spread into Rwanda of the severe
cassava mosaic virus disease pandemic and the associated Uganda variant of East African cassava
mosaic virus (EACMV-Ug).
Plant Pathology
,
50
, 796.
Legg, J.P., Sseruwagi, P., Kamau, J.,
et al
. (1999) The pandemic of severe cassava mosaic disease in East
Africa: current status and future threats, in
Food Security and Crop Diversification in SADC
Countries: The RĂ´le of Cassava and Sweet Potato
, (eds M.O. Akoroda and J.M. Teri), Proceedings
of the Scientific Workshop of the Southern African Root Crops Research Network, SADC/IITA/CIP,
pp. 236-251.
Maruthi, M.N., Colvin, J. and Seal, S. (2001) Mating compatibility, life-history traits, and RAPD-PCR
variation in
Bemisia tabaci
associated with the cassava mosaic disease pandemic in East Africa.
Entomologia Experimentalis et Applicata
,
99
, 13-23.
Neuenschwander, P., Hughes, J. d'A., Ogbe, F.
et al
. (2002) Occurrence of the Uganda variant of
East
African cassava mosaic virus
(EACMV-Ug) in western Democratic Republic of Congo and the
Congo Republic defines the westernmost extent of the pandemic in East/Central Africa.
Plant
Pathology
,
51
, 385.
Nweke, F.I. (1994) Farm level practices relevant to cassava plant protection.
African Crop Science
Journal,
2
, 563-582.
Nweke, F.I., Dixon, A.G.O., Asiedu, R. and Folayan, S.A. (1994) Cassava varietal needs of farmers and
the potential for production growth in Africa.
Collaborative Study of Cassava in Africa: Working
Paper No.
10, IITA, Ibadan, 239 pp.
Otim-Nape, G.W., Alicai, T. and Thresh, J.M. (2001) Changes in the incidence and severity of cassava
mosaic virus disease, varietal diversity and cassava production in Uganda.
Annals of Applied Biology
,
138
, 313-327.
Otim-Nape, G.W., Bua, A. and Baguma, Y. (1994) Accelerating the transfer of improved production
technologies: controlling African cassava mosaic virus disease epidemics in Uganda.
African Crop
Science Journal,
2
, 479-495.
Otim-Nape, G.W., Bua, A. and Thresh, J.M. (eds) (1997)
Progress in Cassava Technology Transfer in
Uganda,
Proceedings of the National Workshop on Cassava Multiplication, Masindi, 9-12 January
1996, NARO/Gatsby/NRI Publication.
Otim-Nape, G.W., Thresh, J.M. and Fargette, D. (1996)
Bemisia tabaci
and cassava mosaic virus disease
in Africa, in
Bemisia 1995: Taxonomy, Biology, Damage, Control and Management,
(eds D. Gerling
and R.T. Meyer), Intercept Publishers, Andover, UK, pp. 319-350.
Otim-Nape, G.W., Thresh, J.M. and Shaw, M.W. (1998) The incidence and severity of cassava mosaic
virus disease in Uganda: 1990-1992.
Tropical Science,
38
, 25-37.
Otim-Nape, G.W., Bua, A., Thresh, J.M.
et al.
(2000)
The Current Pandemic of Cassava Mosaic Virus
Disease in East Africa and its control,
NARO/NRI/DFID publication, Chatham Maritime, UK, 100
pp.
Owor, B. Legg, J.P., Okao-Okuja, G.,
et al
. (2004) Field studies of cross protection with cassava mosaic
geminiviruses in Uganda.
Journal of Phytopathology,
152
, 243-249.
Pita, J.S., Fondong, V.N., Sangaré, A.,
et al
. (2001) Recombination, pseudo-recombination and synergism
of geminiviruses are determinant keys to the epidemic of severe cassava mosaic disease in Uganda.
Journal of General Virology,
82
, 655-665.
Simmonds, N.W. (1962) Variability in crop plants, its use and conservation.
Biological Reviews,
37
,
422-465.