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Towards the end of 1977, the Bush Bean Architectural Improvement Project at CIAT was started with the following objectives: (1) to reduce yield differences between small- and large-seeded types; (2) increase yield capacity and (3) make the crop more attractive and competitive for the different pr...


Gutiérrez, J.A.[Estado actual del mejoramiento por arquitectura en el frijol arbustivo]Estado actual del mejoramiento por arquitectura en el frijol arbustivo

Thirteen male sterile plants were identified in a yield trial of bean germplasm accession G08063 grown at CIAT-Palmira in 1977. Line G08063 is indeterminate, type III with postrate growth; it is relatively early and produces small white seeds. A fertility score (less than 1.3 sterile, 1.3-2.5 par...


Singh, S.P.White, J.W.Gutiérrez, J.A.[Male sterility in dry beans]Male sterility in dry beans
Singh, Shree P.Terán Santofimio, HenryGutiérrez, J.A.Pastor Corrales, Marcial A.Schwartz, Howard F.Morales, Francisco José[Registration of A 339, MAR 1, MAR 2, and MAR 3 angular-leaf-spot-and anthracnose-resistant common bean germplasm]Registration of A 339, MAR 1, MAR 2, and MAR 3 angular-leaf-spot-and anthracnose-resistant common bean germplasm
Gutiérrez, J.A.Singh, Shree P.[Comparación de los métodos masales de una vaina y de una semilla por planta, para avanzar generaciones tempranas en el frijol común Phaseolus vulgaris L.]Comparación de los métodos masales de una vaina y de una semilla por planta, para avanzar generaciones tempranas en el frijol común Phaseolus vulgaris L.

A brief reference is made to new bean germplasm accessions and breeding lines identified at CIAT with specific architectural traits. Examples are given for type I bush beans with 10 or more nodes on the main stem, erect branching, suppressed branching, short foliage and internodes, lanceolate lea...


Singh, S.P.Gutiérrez, J.A.[Sources of some architectural traits in dry bush beans, Phaseolus vulgaris L]Sources of some architectural traits in dry bush beans, Phaseolus vulgaris L

A selection study was conducted with 6 hybrid bean populations in 3 double groups, with low, intermediate, and high yield potential, at CIAT`s exptl. farm in Popayan (Cauca, Colombia), in a P-deficient soil with pH 4.5. These soil conditions allow for high disease incidence such as anthracnose (C...


Singh, S.P.Cajiao V., César HernandoGutiérrez, J.A.García, J.Pastor Corrales, Marcial A.Morales, Francisco José[Selection for bean yield under low and high stress environments]Selection for bean yield under low and high stress environments
Gutiérrez, J.A.Singh, S.P.[Changes in population size due to single seed bulk and single pod bulk methods for advancing hybrid generations in common bean]Changes in population size due to single seed bulk and single pod bulk methods for advancing hybrid generations in common bean

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