Growth of Assorted Microgreens in Microgravity (Growth of Assorted Microgreens in Microgravity) - 03.20.19

Overview | Description | Applications | Operations | Results | Publications | Imagery

ISS Science for Everyone

Science Objectives for Everyone
Growth of Assorted Microgreens in Microgravity studies the structure and function of germination of four different microgreens. These are edible plants harvested as small shoots, which have been found to have higher concentrations of nutrients than the same plants when mature. Investigators measure and record environmental conditions and determine plant viability and effectiveness throughout the experiment, and compare results with plants on the ground.
Science Results for Everyone
Information Pending

The following content was provided by Gentry Barnett, and is maintained in a database by the ISS Program Science Office.
Experiment Details


Principal Investigator(s)
Ted Tagami,, Berkeley, CA, United States

Tony So,, Berkeley, CA, United States

Space Tango, Inc., Lexington, KY, United States

Sponsoring Space Agency
National Aeronautics and Space Administration (NASA)

Sponsoring Organization
National Laboratory (NL)

Research Benefits
Information Pending

ISS Expedition Duration
February 2018 - March 2019

Expeditions Assigned

Previous Missions
Information Pending

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Experiment Description

Research Overview

  • Growth of Assorted Microgreens in Microgravity studies the morphology and physiology of the germination of four different microgreens within modular growth chambers aboard the International Space Station (ISS).
  • The seeds are placed under automatic growth lighting conditions, and the environmental conditions throughout the mission are measured and recorded.
  • Automated cameras image growth at every stage to determine both plant viability and effectiveness.
  • Results are compared to multiple terrestrial control experiments.

Growth of Assorted Microgreens in Microgravity studies how morphology and physiology of the plant species are affected by the microgravity environment. Seeds are placed in an agar gel medium and kept in a cold environment to prevent early germination until installation into the module. Custom growth lighting provides day and night lighting cycles that simulate successful terrestrial lighting. Imaging and numerous environmental sensors provide incremental evaluations of the plant growth.

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Space Applications
Growth of Assorted Microgreens in Microgravity demonstrates modular, autonomous research on crops in space. It improves understanding of plant physiology in microgravity and contributes to development of strategies to cultivate plants to provide food, oxygen and other habitat requirements on long-term space missions.

Earth Applications
Fundamental botanical information regarding common microgreen plants and greater understanding of plant growth under unusual conditions such as microgravity has applications for crop science, basic biology and horticulture on Earth as well.

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Operational Requirements and Protocols
The science is contained inside of a 2U CubeLab and is in cold stow for ascent. The CubeLab is then installed onto Payload Card-8 and operates in the TangoLab where autonomous operations occur. Once the experiment is complete, the crew removes and stows the hardware for return to Earth. The experiment is turned over to the Space Tango Principal Investigator’s team upon return.

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Decadal Survey Recommendations

Information Pending

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Results/More Information

Information Pending

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Related Websites
Space Tango

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