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Fukuda, Wania Maria GonçalvesCaldas, RCDiniz, M.S.Hernández Romero, Luis Alfredo[Los agricultores del nordeste de Brasil participan en la selección de clones de yuca]Los agricultores del nordeste de Brasil participan en la selección de clones de yuca
Fukuda, Wania Maria GonçalvesCaldas, RCDiniz, M.S.Hernández Romero, Luis Alfredo[Estabilidad de clones de yuca evaluados en ensayos participativos con agricultores]Estabilidad de clones de yuca evaluados en ensayos participativos con agricultores

In Thailand cassava breeding is the responsibility of the Rayong Field Crops Research Center of the Department of Agriculture (DOA), and of Kasetsart University (KU). From 1975 to 1992, six cultivars have been released for industrial use, i.e. Rayong 1, Rayong 3, Rayong 60, Rayong 90, Sri Racha 1...


Limsila, JarungsitLimsila, AtcharaWatananonta, WatanaKawano, Kazuo[Breeding and varietal improvement in Thailand]Breeding and varietal improvement in Thailand

In recent years (1990-1995) the cassava area in Vietnam has remained stable, or has increased slightly in the south due to the new demand for cassava roots used for starch processing. Therefore, our cassava breeding program, in collaboration with CIAT, has put a high priority on developing new va...


Tran Ngoc NgoanTran Ngoc QuyenTrinh Phuong LoanKawano, Kazuo[Cassava varietal improvement in Vietnam]Cassava varietal improvement in Vietnam

Multilocational trials were conducted in several agroecological zones in West Africa to assess the magnitude of genotype x environment (G x E) interaction and to identify stable varieties which could be used in breeding programs in the region. The reaction of the varieties to major cassava diseas...


Otoo, J.Dixon, A.Asiedu, RobertOkeke, J.E.Maroya, N.Tougnon, K.Okoli, O.Tetteh, J.P.Hahn, S.K.[Genotype environment interaction studies with cassava]Genotype environment interaction studies with cassava

An agroecologically-based germplasm enhancement strategy to further broaden the genetic base of cassava in selected ecologies of Africa was initiated by CIAT and IITA in 1990. Crosses are being made at CIAT, in Colombia, using parents adapted to four different agroecologies of South America with ...


Porto, M.C.Asiedu, RobertDixon, A.Hahn, S.K.[An agroecologically oriented introduction of cassava germplasm from Latin America into Africa]An agroecologically oriented introduction of cassava germplasm from Latin America into Africa

Water logging is a potential abiotic stress problem in the warm tropical potato growing areas, particularly in the lowland rice-based cropping systems. A field experiment was conducted in San Ramon, Peru during the rainy season to evaluate the effects of water logging on 12 clones (8 lowland trop...


Ekanayake, I.J.[Deleterious influence of water logging on potato in warm climates]Deleterious influence of water logging on potato in warm climates

La marchitez bacteriana (MB) o pudricion parda causada por Ralstonia solanacearum es una de las enfermedades bacterianas mas destructivas en el cultivo de la papa. La resistencia de las plantas es el medio mas efectivo para controlar esta enfermedad. Sin embargo, la resistencia a la MB es a menud...


Gutarra, L.Kreuze, J.F.Mendiburu, F. de[Evaluacion de la estabilidad de resistencia de clones avanzados del CIP a la marchitez bacteriana usando diferentes variantes de Ralstonia solanacearum.]Evaluacion de la estabilidad de resistencia de clones avanzados del CIP a la marchitez bacteriana usando diferentes variantes de Ralstonia solanacearum.

Izarra, M.Pérez, W.Lindqvist-Kreuze, Hanele[Identificacion de efectores de Phytophthora infestans expresados diferencialmente en el linaje clonal EC-1.]Identificacion de efectores de Phytophthora infestans expresados diferencialmente en el linaje clonal EC-1.

Gastelo, M.Díaz, L.Bonierbale, Merideth W.[Valor parental para el rendimiento bajo condiciones de altas temperaturas en clones de papa tolerantes al calor y resistentes al tizon tardio.]Valor parental para el rendimiento bajo condiciones de altas temperaturas en clones de papa tolerantes al calor y resistentes al tizon tardio.

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