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Report 1981

Autor: Davis, J.

The process of selection in climbing bean improvement should be conducted with maize in association due to the high cost of sole cropping with stakes or with a trellis system. The relation between yields of beans and maize is negative and the regression coefficient is normally between -1 and -2. ...

Enlace original: https://cgspace.cgiar.org/handle/10568/71357

Investigación en Agricultura
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Davis, J. ,  [Relaciones de competencia entre frijol y maiz en sistemas de asociacion y sus inferencias para el mejoramiento genetico] ,  Relaciones de competencia entre frijol y maiz en sistemas de asociacion y sus inferencias para el mejoramiento genetico
Report 1979

Autor: Roman, A Davis, J. García, S. Graham, P. Temple, S

Different assays on climbing beans in relay cropping or associated with maize, N fixation and Rhizobium inoculation, and bush beans in monoculture are reported. These were conducted in La Selva, Antioquia (Colombia), through a collaborative project between the Instituto Colombiano Agropecuario (I...

Enlace original: https://cgspace.cgiar.org/handle/10568/71867

Investigación en Agricultura
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Roman, A ,  Davis, J. ,  García, S. ,  Graham, P. ,  Temple, S ,  [Informe de trabajos 1979: Convenio ICA-CIAT: Programa de frijol] ,  Informe de trabajos 1979: Convenio ICA-CIAT: Programa de frijol
Report 1980

Autor: Roman V, A Davis, J.
Enlace original: https://cgspace.cgiar.org/handle/10568/71860

Investigación en Agricultura
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Roman V, A ,  Davis, J. ,  [Informe de trabajos 1980: Convenio ICA-CIAT, La Selva, Antioquia: Progama de frijol] ,  Informe de trabajos 1980: Convenio ICA-CIAT, La Selva, Antioquia: Progama de frijol
Report 1981

Autor: Roman V, A Davis, J.

A summary is presented of results of trials conducted as part of the collaborative agreement between the Instituto Colombiano Agropecuario and CIAT on bean research during 1981 in La Selva, Antioquia (Colombia). During germplasm evaluation, 112 promising materials were identified for their adapta...

Enlace original: https://cgspace.cgiar.org/handle/10568/71882

Investigación en Agricultura
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Roman V, A ,  Davis, J. ,  [Informe de trabajos 1981: programa de frijol] ,  Informe de trabajos 1981: programa de frijol
Report 1980

Autor: Davis, J. García, S. Tejada, G

Studies were conducted at CIAT to test a new methodology (1) to improve F3, yields through the use of a hierarchical exptl design (a 9 x 9 lattice with 3 replications, with lines grouped according to the design, without taking into accont the family of origin) and (2) to select beans in associati...

Enlace original: https://cgspace.cgiar.org/handle/10568/71883

Investigación en Agricultura
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Davis, J. ,  García, S. ,  Tejada, G ,  [Seleccion en generaciones tempranas de frijoles volubles en asociacion con maiz] ,  Seleccion en generaciones tempranas de frijoles volubles en asociacion con maiz
Report 1980

Autor: García, S. Davis, J.

Maize and climbing beans as associated crops prevail in the highlands of L.A. in traditional systems with low populations and manual planting (in rows and pocket drilling). Two trials were establislied to compare the systems, testing bean densities from 4- 12 plants/m(2) and 3-12 plants/m(2), wit...

Enlace original: https://cgspace.cgiar.org/handle/10568/71884

Investigación en Agricultura
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García, S. ,  Davis, J. ,  [Sistemas de siembra de maiz y frijol en asociación] ,  Sistemas de siembra de maiz y frijol en asociación
Report 1982

Autor: Vermeulen, J. Davis, J.

Activities carried out by the Instituto Colombiano Agropecuario (ICA)-CIAT collaborative project on beans for cold climates in ICA`s regional center in Obonuco and in the dept. of Narino (Colombia) are reported. On the exptl. farm, 6233 materials were evaluated in bush bean trials, of which 103 w...

Enlace original: https://cgspace.cgiar.org/handle/10568/71900

Investigación en Agricultura
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Vermeulen, J. ,  Davis, J. ,  [Informe de trabajos 1981/1982. Programa de frijol] ,  Informe de trabajos 1981/1982. Programa de frijol
Journal Article 1986

Autor: Davis, J. Taylor, J. Teverson, D.

Preliminary results are given of studies on the inheritance of resistance in 454 bean cv. to Pseudomonas syringae pv. phaseolicola strain 3 and its relationships with other kinds of resistance, evaluated in a collaborative project between National Vegetable Research Station (England) and CIAT. (C...

Enlace original: https://cgspace.cgiar.org/handle/10568/88575

Investigación en Agricultura
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Davis, J. ,  Taylor, J. ,  Teverson, D. ,  [Inheritance studies on resistance to halo blight] ,  Inheritance studies on resistance to halo blight
Book Chapter 1989

Autor: Davis, J.

A summary on bean improvement activities carried out by CIAT in the Great Lakes Region is presented. Collaboration in bean breeding among Rwanda, Burundi, and Zaire has resulted in an integrated scheme of var. evaluation. The nucleus of this scheme is the PRELAAC (Pepiniere Regionale pour l`Evalu...

Enlace original: https://cgspace.cgiar.org/handle/10568/55100

Investigación en Agricultura
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Davis, J. ,  [Breeding activities in Africa] ,  Breeding activities in Africa

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