Common bean lines identified as resistant to soil pathogens to serve as sources for Andean beans
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Clare Mukankusi. (1/3/2017). Common bean lines identified as resistant to soil pathogens to serve as sources for Andean beans.
Abstract
Greenhouse infrastructure was adapted to control and monitor constantly soil moisture through the installation of an automatic watering system that included pipes, sensors, and data loggers (Figure 1). We are reporting the results obtained from phenotyping a set of accessions corresponding to 100 from Phaseolus vulgaris, 40 from Phaseolus coccineus, 10 from Phaseolus dumosus, 15 from Phaseolus costaricensis and 1 from Phaseolus albescens, evaluated under two challenging conditions: waterlogging and waterlogging plus P. myriotylum infection. Experimental data was registered from 10 seeds per accession at 7, 14, 21 and 28 days after sowing. The experiment was repeated twice. Another group of breeding lines called RRA (Root Rot Andean) that has been developed by bean breeding program, was evaluated to find resistance to Pythium and Sclerotium. This population was originated from interspecific crosses (P. vulgaris x [P. vulgaris x P. coccineus]) and was evaluated after several selection cycles in the field.
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Mukankusi, Clare https://orcid.org/0000-0001-7837-4545