China gets serious about space farming
With one of the smallest genomes among all plant species, thale cress is very easy to manage and modify, making it a flexible tool for studying plants in space and microgravity. It’s got a short life span (50 days for germination to maturation of seeds), so experiments can run fairly quickly.
And that’s critical — if deep space travel is going to open up to the rest of the world and become a normalized part of humanity’s future, we’ll need to perfect how to grow our own food up in space.
Already, researchers from the University of Wisconsin-Madison, the University of Florida, and others have developed experiments to run aboard the International Space Station, and understand how thale cress grows and how its gene expression changes in a microgravity environment or under lower oxygen levels. The primary goal among most current thale cress space research is to better understand how reproduction and seed production occurs. The hope is to take those results and apply them to augmenting food—producing crops to optimize them for vegetable growth in space.
The Tiangong-2 experiment seems to have gone well so far — with some thale cress plants already blooming during their stay in space. Samples were brought back to Earth with the return of the two astronauts, and those samples and their seeds will be studied carefully in the next several weeks.
Read more at Inverse