We were kind of confusing their response to gravity.
In a microgravity environment, the researchers found that the plants natural defense to stressors is rendered less effective.
Wherever there are humans, there are pathogens with the potential of infecting nearby plants.
Astronauts add water and nutrients to plants in the Veggie hardware on board the ISS.Photo: NASA/Cory Huston
You dont want the whole mission to fail just because of a food safety outbreak, he added.
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