Phaseolus vulgaris

Backcross assisted by microsatellite markers in common bean

L. K. Oliveira, Melo, L. C., Brondani, C., Peloso, M. J. D., and Brondani, R. P. V., Backcross assisted by microsatellite markers in common bean, vol. 7, pp. 1000-1010, 2008.

The objectives of the present study were to monitor the effect of backcrossing through microsatellite markers and to compare different marker assisted selection strategies. Four populations were developed using donor parents resistant to the bean golden mosaic virus and, for all crosses, only individuals resistant to the bean golden mosaic virus were backcrossed.

Genetic control of the resistance of common beans to white mold using the reaction to oxalic acid

R. P. Antonio, Santos, J. B., Souza, T. P., and Carneiro, F. F., Genetic control of the resistance of common beans to white mold using the reaction to oxalic acid, vol. 7, pp. 733-740, 2008.

The use of genetically resistant cultivars is the best method to reduce losses caused by white mold (Sclerotinia sclerotiorum (Lib.) de Bary). As the best known resistance sources are not adapted, the genetic control of white mold in the common bean must be understood to guide breeding more efficiently. The objective of the present study was to identify the genetic control of the resistance of common bean to white mold by an indirect method using oxalic acid. For this, the descendents of the VC3 cross (susceptible) x G122 (resistant) were used.

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