Variety traits

Herbicide Tolerance in Common Bean

Phaseolus vulgaris L.

Herbicide tolerance in common bean is a varietal trait defined as the genotype's ability to maintain productivity and biomass without symptoms of phytotoxicity following chemical treatment.

In the reference 11 varieties crop Common bean, where this is mentioned in the description.

The evaluation of common bean tolerance is based on studying the differential response of varieties through visual observations of plant health, including the development of chlorosis and necrosis, as well as through comparative analysis of yield components. Research involves conducting experiments on genetic diversity panels to calculate effective doses (ED50), which determine the level of growth inhibition for a specific genotype under exposure to active ingredients.

Tolerant bean varieties exhibit minimal losses in biomass and yield when application regulations are followed, whereas sensitive forms show pronounced suppression and stunted growth even at standard application rates. As commercial bean varieties do not possess genetically engineered resistance, the plant growth stage at the time of application—typically at the 2–3 trifoliate leaf stage—and the variety's capacity for rapid regeneration or high competitive ability against weeds play key roles.

General information about the subject — on the page Herbicide tolerance.

Sources8

Varieties of Common bean mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.