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Related Experiment Videos

Clover development during spaceflight: a model system.

J A Guikema1, L DeBell, A Paulsen

  • 1Division of Biology, Kansas State University, Manhattan 66506-4901.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

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State of Brassica rapa photosynthetic membranes in microgravity.

Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology·2004

Plant root development, including legume nodule formation and germination, occurs normally in microgravity. These findings demonstrate that spaceflight conditions do not impede early plant growth and symbiotic interactions.

Area of Science:

  • Plant biology
  • Gravitational biology
  • Microbiology

Background:

  • Legume root nodule development is a model for plant root growth.
  • Understanding plant development in microgravity is crucial for space exploration.
  • Rhizobial symbiosis is vital for nitrogen fixation in legumes.

Purpose of the Study:

  • To investigate the effects of microgravity on legume root nodule development.
  • To determine if rhizobial association with clover roots can occur in microgravity.
  • To assess seedling germination and development under microgravity conditions.

Main Methods:

  • Experiments were conducted on the KC-135 parabolic aircraft and the Consort 3 sounding rocket.
  • Rhizobial binding and nodule initiation were observed in microgravity.
Keywords:
NASA Discipline Cell BiologyNASA Discipline Developmental BiologyNASA Discipline Number 93-10NASA Program NSCORTNon-NASA Center

Related Experiment Videos

  • Seedling germination was studied using the Materials Dispersion Apparatus on STS-37.

    • Main Results:

    • Rhizobial binding to clover roots and initial nodule development were successful in microgravity.
    • Seedling germination and development proceeded at normal rates once hydration was achieved.
    • Microgravity did not prevent essential early stages of plant growth and symbiosis.

    Conclusions:

    • Legume root nodule development and rhizobial symbiosis are feasible in microgravity.
    • Plant germination and early development are not significantly hindered by microgravity.
    • These findings support the potential for growing legumes in space environments.