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Journal Article 1998

Autor: Ceballos, H. Pandey, S. Narro Leon, LA Pérez Velásquez, Juan Carlos

Acid soils severely reduce maize (Zea mays L.) yield in the tropics. Breeding for tolerance to soil acidity provides a permanent, environmentally friendly, and inexpensive solution to the problem. This study was carried out to determine the relative importance of additive, dominant, and epistatic...

Enlace original: https://cgspace.cgiar.org/handle/10568/42549

Investigación en Agricultura
Enlace permanente
Ceballos, H. ,  Pandey, S. ,  Narro Leon, LA ,  Pérez Velásquez, Juan Carlos ,  [Additive, dominant, and epistatic effects for maize grain yield in acid and non-acid soils] ,  Additive, dominant, and epistatic effects for maize grain yield in acid and non-acid soils
Journal Article 2004

Autor: Ceballos, H. Iglesias, C.A. Pérez Velásquez, Juan Carlos Dixon, Alfred G.O.

Although cassava is a major food crop, its scientific breeding began only recently compared with other crops. Significant progress has been achieved, particularly in Asia where cassava is used mainly for industrial processes and no major biotic constraints affect its productivity. Cassava breedin...

Enlace original: https://cgspace.cgiar.org/handle/10568/43245

Investigación en Agricultura
Enlace permanente
Ceballos, H. ,  Iglesias, C.A. ,  Pérez Velásquez, Juan Carlos ,  Dixon, Alfred G.O. ,  [Cassava breeding: opportunities and challenges] ,  Cassava breeding: opportunities and challenges
Journal Article 2009

Autor: Rojas, MC Pérez Velásquez, Juan Carlos Ceballos, H. Baena Garcia, D Morante, N Calle, F

Inbreeding offers numerous advantages but also presents some problems for the genetic improvement of cassava (Manihot esculenta Crantz). One of the concerns is that inbreeding depression (ID) may be too drastic for (even partially) inbred materials to survive. A large experiment was conducted to ...

Enlace original: https://cgspace.cgiar.org/handle/10568/43184

Investigación en Agricultura
Enlace permanente
Rojas, MC ,  Pérez Velásquez, Juan Carlos ,  Ceballos, H. ,  Baena Garcia, D ,  Morante, N ,  Calle, F ,  [Analysis of inbreeding depression in eight S1 cassava families] ,  Analysis of inbreeding depression in eight S1 cassava families
Journal Article 2007

Autor: Ceballos, H. Sánchez, T. Morante, N Fregene, Martin A. Dufour, D.L. Smith, A.M. Denyer, K Pérez Velásquez, Juan Carlos Calle, F Mestres, C

One of the objectives of the cassava-breeding project at CIAT is the identification of clones with special root quality characteristics. A large number of self-pollinations have been made in search of useful recessive traits. During 2006 harvests an S1 plant produced roots that stained brownish-r...

Enlace original: https://cgspace.cgiar.org/handle/10568/42743

Investigación en Agricultura
Enlace permanente
Ceballos, H. ,  Sánchez, T. ,  Morante, N ,  Fregene, Martin A. ,  Dufour, D.L. ,  Smith, A.M. ,  Denyer, K ,  Pérez Velásquez, Juan Carlos ,  Calle, F ,  Mestres, C ,  [Discovery of an amylose-free starch mutant in cassava (Manihot esculenta Crantz)] ,  Discovery of an amylose-free starch mutant in cassava (Manihot esculenta Crantz)

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