Abstract
The genus Phaseolus is cultivated in the whole world and it represents one of the most important foods for the human consumption, being rich in iron, proteins and carbohydrates. Brazil is the second largest producer of beans, with around 3.978.660 kg/ha in 2004; the most cultivated species is Phaseolus vulgaris L., that will produce more than 3 million tons in the 2007/08 harvest. Among …