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Rachier, Gideon O.Wortmann, Charles S.Tenywa, J.S.[Phosphorus tolerance in common bean as affected by root architecture]Phosphorus tolerance in common bean as affected by root architecture

The extent of genetic variability and host-plant distribution of Bemisia tabaci (Gennadius) genotypes colonising cultivated and uncultivated plant species occurring adjacent to cassava fields in selected cassava-producing areas of Uganda in 2003/04 were investigated using the mitochondrial cytoch...


Sseruwagi, P.Legg, J.P.Maruthi, M.Colvin, J.Rey, M.Brown, J.[Genetic diversity of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) populations and presence of the B biotype and a nonB biotype that can induce silverleaf symptoms in quash, in Uganda]Genetic diversity of Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) populations and presence of the B biotype and a nonB biotype that can induce silverleaf symptoms in quash, in Uganda

For the purpose of constructing yam cDNA libraries, attempts to isolate high quality RNA using several previously reported protocols were unsuccessful. Therefore a protocol was standardized for yam total RNA isolation by using guanidium buffer at the Department of Biology, Virginia Sate Universit...


Narina, S.S.Mohammed, I.Asiedu, RobertMignouna, H.D.[A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction]A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction
Barragán Arturo, Mary IsabelÁlvarez, Elizabeth[Evaluación de la tolerancia a la pudrición radical causada por Phytophthora spp en variedades de yuca (Manihot esculenta Crantz), bajo condiciones de invernadero]Evaluación de la tolerancia a la pudrición radical causada por Phytophthora spp en variedades de yuca (Manihot esculenta Crantz), bajo condiciones de invernadero
Barragán Arturo, Mary IsabelÁlvarez, Elizabeth[Identificación de fuentes de resistencia a la pudrición radical en yuca (Manihot esculenta Crantz)]Identificación de fuentes de resistencia a la pudrición radical en yuca (Manihot esculenta Crantz)

Breeding cassava relies on a phenotypic recurrent selection that takes advantage of the vegetative propagation of this crop. Successive stages of selection (single row trial- SRT; preliminary yield trial – PYT; advanced yield trial – AYT; and uniform yield trials UYT), gradually reduce the number...


Barandica, Orlando JoaquiLenis, Jorge I.Calle, FernandoMorante, NelsonPérez, Juan C.Hershey, Clair H.Ceballos, H.[Cassava breeding II: phenotypic correlations through the different stages of selection]Cassava breeding II: phenotypic correlations through the different stages of selection

Soybean rust, caused by the biotrophic pathogen Phakopsora pachyrhizi is a highly destructive disease that occurs in many soybean producing regions throughout the world causing substantial yield losses. Knowledge about P. pachyrhizi virulence is needed to guide development and deployment of soybe...


Murithi, H.Haudenshield, J.Beed, Fen D.Mahuku, George S.Joosten, M.H.Hartman, G. L.[Virulence diversity of Phakopsora pachyrhizi isolates from east Africa compared to a geographically diverse collection]Virulence diversity of Phakopsora pachyrhizi isolates from east Africa compared to a geographically diverse collection

Field evaluation of six cassava genotypes for resistance to root rot disease was compared with three rapid laboratory methods (whole root inoculation, root slice inoculation, and stem inoculation) for resistance screening. Both the field evaluation and the three laboratory methods separated the v...


Onyeka, T.J.Dixon, A.Ekpo, E.J.[Assessment of laboratory methods for evaluating cassava genotypes for resistance to root rot disease]Assessment of laboratory methods for evaluating cassava genotypes for resistance to root rot disease

The quest for precise and rapid phenotyping of germplasm is increasing the interest of breeders and physiologists in the application of remote sensing techniques in maize breeding. Twenty-four drought-tolerant maize inbred lines were crossed using a modified North Carolina II mating scheme to gen...


Adebayo, M.A.Menkir, A.Hearne, S.Kolawole, A.O.[Gene action controlling normalized difference vegetation index in crosses of elite maize (Zea mays L.) inbred lines]Gene action controlling normalized difference vegetation index in crosses of elite maize (Zea mays L.) inbred lines

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