Abstract
In Puerto Rico, harvesting beans (Phaseolus vulgaris) near physiological maturity enhances the value of the crop. Green-shelled beans are generally harvested 60-65 days after planting avoiding disease and pest problems that occur at the end of the growing season. It is also suited for multiple cropping and intensive rotations. Field experiments were conducted on the northern (Isabela) and southern (Fortuna) coastal plains of Puerto Rico to measure the effect of genotype, planting date and level of moisture of the seed at harvest on the yield and quality of green-shelled beans. The most adapted genotypes produced more than 5000 kg/ha of whole pods and 2200 kg/ha of green-shelled beans at both locations and growing seasons. Genotypes having different seed types were found to produce acceptable green-shelled yields. Whole pod yields were lower when harvested at the semi-dry stage than at the stage of development recommended for harvesting green-shelled beans. However, bean yields were similar when harvested at the green-shelled and semi-dry stages of development.
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