Evaluation of drought indices to identify tolerant genotypes in common bean bush(Phaseolus vulgaris L.)


Alefsi David SáNCHEZ-REINOSO;Gustavo Adolfo LIGARRETO-MORENO;Hermann RESTREPO-DíAZ;Departamento de Agronomía,Universidad Nacional de Colombia;


Departamento de Agronomía,Universidad Nacional de Colombia;


Drought is one of the major abiotic stresses often causing negative impacts on bean crops in the Andean region in Colombia. An experiment under the greenhouse conditions was carried out to assess the effect of a prolonged drought period(15 days) at two different phenological stages(vegetative or reproductive) on grain yield and yield components of five bush bean cultivars(ICA-Cerinza, Bachue, NUA35, Bianca, and Bacatá). Nine tolerance indices including stress susceptibility index(SSI), tolerance(TOL), mean productivity(MP), geometric mean productivity(GMP), stress tolerance index(STI), yield stability index(YSI), yield index(YI), Harmonic mean(HM), and drought sensitivity index(DSI) were calculated based on grain yield under non-stressed(YP) and drought(YS) conditions. Based on the different drought indices, genotypes ICA-Cerinza and NUA35 had the best performance under drought conditions in both studied phases, which reflected in a reduction of grain yield ~≤40%. The biplot analysis also showed a clear superiority of these two genotypes at both phenological stages. Results also showed that SSI was more effective to identify genotypes less affected by drought. The above results allowed us to conclude that ICA-Cerinza and NUA35 may be considered for agricultural areas where long periods of water deficit are expected and can be used in breeding programs for drought tolerance.


yield components;;selection indices;;correlation;;biplot analysis


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  • [1] Kwabena Darkwa;Daniel Ambachew;Hussein Mohammed;Asrat Asfaw;Matthew W.Blair;College of Agriculture, Hawassa University;International Potato Center (CIP);Southern Agricultural Research Institute;Tennessee State University;International Institute of Tropical Agriculture;, Evaluation of common bean(Phaseolus vulgaris L.)genotypes for drought stress adaptation in Ethiopia, The Crop Journal,
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  • [3] Porfirio Ramirez-Vallejo;;James D. Kelly, Traits related to drought resistance in common bean, Euphytica,
  • [4] Genetics and genetic improvement of drought resistance in crop plants, Current Science,


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