Space-grown lettuce could help astronauts avoid bone loss

NASA is preparing to send humans to Mars sometime in the 2030s. The 3-year mission will expose astronauts to a long period of microgravity, which will cause them to lose bone mass. But now, scientists report transgenic lettuce ...

Stronger lettuce stems are a key part of disease resistance

Lettuce drop is a lettuce disease that results in browning or wilting of leaves, plant collapse, and death. The disease has not been well-researched, but a new study shows that a stronger stem increases resistance to lettuce ...

Researchers identify romaine lettuces that last longer

Agricultural Research Service (ARS) scientists have identified five Romaine lettuce varieties that both brown less quickly after fresh-cut processing and are slower to deteriorate postharvest.

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